Development device of image generation device

FIELD: printing industry.

SUBSTANCE: development device of image generation device includes a development mechanism, designed to feed a developer to the development mechanism, a receiving chamber for the developer, where the developer is supplied, which should be fed to the feeding mechanism, and the first unit of delivery and the second unit of delivery, which are arranged one above the other in the position, in which the development device is installed in the image generation device. The developer received by the developer containing chamber is delivered to the second unit of delivery with the first delivery unit, afterwards it is delivered with the second unit of delivery to the feeding mechanism. The development device is inclined.

EFFECT: invention makes it possible to improve developer configuration.

13 cl, 10 dwg

 

The technical field

The present invention relates to a developing device and, more specifically, to a developing device, which has improved the delivery configuration of the developer.

Prior art

Device imaging are used to form images on the recording medium according to input signals. Examples of such devices include printers, copiers, Fax machines, etc. and devices, combining their functions.

In the electrophotographic device of image formation, which is one of the varieties of devices forming the image, the light irradiates the photoconductor with a certain electric potential to form on the surface of the photoconductor electrostatic latent image, and then the latent image is served developer in order to make the image visible. The visible image formed on the photoconductor is transferred onto the printing medium directly or via an intermediate transfer unit. After transfer onto the printing medium, the image recorded on the recording medium by using the fixation process.

Usually processing device includes a receiving chamber of the developer, which stores the developer supplied to fotop Vodnik, and next to the receiving chamber of the developer provided a feeding mechanism and a processing mechanism. The feeding mechanism feeds the developer stored in the receiving chamber of the developer on the developing mechanism, and a processing mechanism causes the developer to the surface of the photoconductor on which an electrostatic latent image, thereby to form a visible image.

A brief statement of the substance of the invention

Therefore, at least one characteristic variations of the embodiment of the General concept of the claimed invention is to provide a developing device having an improved configuration of the supply of the developer.

Additional aspects and/or useful properties of the General concept of the invention will be set forth in part in the following description and in part will be obvious from the description or may be found in the practical implementation of the invention.

Possible aspects and/or the beneficial properties of the present invention is achieved by creating a developing device installed in the device imaging, and includes: a feeding mechanism for feeding the developer to the developer mechanism using friction charge; the receiving chamber of the developer that takes the developer supplied to the feeder, per the block delivery and the second block delivery, placed in such a way that the first unit of delivery is located above the second power delivery, when the developing device is mounted in the device forming images, and the developer adopted in the receiving chamber of the developer is delivered to the second block of the first delivery unit delivery and delivered to the feeding mechanism of the second block delivery.

Processing device may further include a partition for dividing the receiving chamber of the developer on the first receiving chamber of the developer and a second receiving chamber of the developer, with the first block of the delivery and the second block delivery can be provided respectively above and below this partition.

The partition may include a first section of a partition provided between the first power delivery and the second power delivery, and the second section walls, essentially acting below the first section of the partition.

Processing device may further include logging in the first sector of a partition, the developer delivered the first unit of delivery, may be supplied to the second power delivery via this input.

The first section walls can essentially surround the lower portion of the first unit delivery.

Input can be performed on the end section of the partition.

First the Lok delivery may include helical delivering blade to deliver the developer to the entrance and radial delivering the paddle to return the part of the developer, which was not hit in the entrance.

The entry in the partition may be located below the clearance between the feed mechanism and processing mechanism.

Processing device may further include a shielding element for selective shielding of the input partitions.

The second section walls may limit the return of the developer, which is delivered from the first power delivery to the second power delivery.

In the position in which the developing device is defined in the device forming the image, the bottom plane of the first reception chamber of the developer can be tilted, causing the accumulation of the developer accepted the first receiving chamber of the developer, on the side of the partition opposite the first receiving chamber of the developer.

In the position in which the developing device is defined in the device forming the image, the bottom plane of the first reception chamber of the developer may have an angle in the range from about 2 degrees to about 5 degrees.

Processing device may further include a feeding element provided in the first receiving chamber of the developer and designed to deliver part of the developer accepted the first receiving chamber of the developer, up to feed the developer in the first block DOS is where it is refuelled.

The second block of delivery may include a first rotating screw and the second rotating screw, and a processing device may further include a rotating wall provided between the first screw and the second screw and having a connecting hole formed on its opposite sides.

The aforementioned and/or other aspects and useful properties of the General concept of the invention can be achieved by creating a way to supply the developer in the developing device, comprising a feeding mechanism for feeding the developer to the developing mechanism and the receiving chamber of the developer that takes the developer supplied to the feed mechanism, the method includes: a supply part of the developer, adopted by the admission chamber of the developer, up; implementation of the free fall of the developer received up; and submission of the fallen developer in the feed mechanism.

Processing device may include a first block delivery and the second block delivery, placed so that the first unit of delivery is located above the second block delivery position in which the developing device is mounted in the device for the formation of images.

Processing device may further include a partition for dividing the receiving chamber of the developer on p is pout receiving chamber of the developer and a second receiving chamber of the developer, the first unit delivery and the second block delivery can be respectively provided above and below the partition.

Processing device may further include logging on to the side walls, and the developer brought up in the direction of action of gravity, can be delivered to the entrance partitions the first unit delivery and can be delivered to the second power delivery through the entrance.

The aforementioned and/or other aspects and useful properties of the General concept of the invention can also be achieved by creating a developing device for forming images comprising the first block is for shipping of the developer in the supply mechanism and the second block is for shipping of the developer to a point above the first block delivery.

At least part of the developer delivered by the second power delivery, can fall in the direction of the first unit delivery.

Processing device may further include a partition between the first and second blocks of delivery.

In the partition may be provided, at least one input, and through at least one input may fall at least part of the developer to the first power delivery.

Processing device may additionally include a site for displaced what I developer, provided in the second block delivery to move the developer supplied to the second power delivery in the direction of the at least one input.

Processing device may further include a return portion provided on the second unit of delivery for a refund of the developer, not fallen at the first block delivery.

The aforementioned and/or other aspects and useful properties of the General concept of the invention can also be achieved by creating a way to deliver the developer in the developing device to the feeding mechanism of the developing device, and this method includes the delivery of the developer at a point above the first block delivery of the developer, using the second block delivery of the developer, and delivering at least part of the developer delivered the second block delivery of the developer, to the feeding mechanism using the first block delivery of the developer.

The developer delivered the second block delivery of the developer, may fall towards the first block delivery of the developer.

The method may additionally include the regulation of the flow of the developer, which decreases in the direction of the first block delivery of the developer, using the element of flow control that is located between the first and second blocks delivery of the developer.

Other items the property and characteristic of the General concept of the invention will become apparent from the following detailed description, which in combination with the attached drawings represent the preferred options for implementation of this General principle of the invention.

Brief description of drawings

The invention is further explained in the description of the preferred variants of the embodiment with reference to the accompanying drawings, in which:

figure 1 shows a view in section of the device forming the image according to a variant embodiment of the invention;

figure 2 shows a view in section, illustrating a developing device according to the variant embodiment shown in figure 1;

figure 3 shows a General view illustrating the first receiving chamber of the developer on the developer device according to the variant embodiment shown in figure 1;

figure 4 shows a General view illustrating the entry made in the partition, according to the variant embodiment shown in figure 1;

figure 5 shows a General view of the mixing element according to the variant embodiment shown in Fig. 1;

figure 6 shows a view in plan, illustrating the operation of the mixing element according to the variant embodiment shown in figure 1;

7 shows a diagram of the path of delivery of the developer in the developing device according to the variant embodiment shown in figure 1;

on Fig shows a view in section of the periphery of the input according to a variant embodiment, shown is a figure 1, to illustrate the operation of the return of the developer submitted in part for temporarily storing the developer in the partition in a situation when a sufficient amount of the developer filed the second receiving chamber of the developer;

on figa shows a General view of the partition and return the element, provided in the processing device, according to other variant embodiments of the invention;

on FIGU shows a General view of a partition and a mixing element, provided in the processing device, according to another variant embodiment of the invention; and

figure 10 shows a General view of the mixing element provided in the second receiving chamber of the developer, according to another variant embodiment of the invention.

Description of the preferred embodiment variants of the invention

Next, you will see a description of the different variants of the embodiment of the General concept of the invention, examples of which are illustrated in the accompanying drawings.

Figure 1 shows a view in section, illustrating the device for the formation of images according to a variant embodiment of the invention.

Device imaging includes the body 10, block 20 feed the print media, unit 30 of the light scanning, processing unit 40, the transfer unit 50, unit 60 and fixation unit 70 release print media.

The housing 10 is definitely yet appearance imaging and supports various components, installed in it.

Block 20 feed the print media may include a cassette 21 in which may be stored printing media S, the pick up roller 22 for gripping the sheets of the printing media stored in the cassette 21, and the roller 23 of delivery for sending the captured print medium S in the direction of the transfer unit 50.

Unit 30 of the light scanning radiated from the light scanning devices 30Y, 30M, 30C and 30K light corresponding to the image information of colors including yellow (Y), Magenta (M), cyan (C) and black (K), on the photoconductors 44Y, 44M, S and K developing devices 40Y, 40M, 40C and 40K, which will be described later, according to print signals, and causing thereby forming on the respective photoconductors 44Y, 44M, S and K latent electrostatic images.

Processing unit 40 may include four developing devices 40Y, 40M, 40C and 40K, which take developers of different colors, such as yellow (Y), Magenta (M), cyan (C) and black (K) developers, respectively. Although an example will be described developing device 40Y, receiving a yellow developer, it is clear that the following description can be applied to the other three developing devices 40M, 40C and 40K, respectively receiving Magenta (M), cyan (C) and black (K) developers, although they are not mentioned specifically in the described and developing device 40Y.

Developing device 40Y may include receiving chamber 110 of the developer applying mechanism 42Y, a developer mechanism 43Y and the photoconductor 44Y.

In the receiving chamber 110 of the developer stores the developer, which must be fed to the photoconductor 44Y, and feeding mechanism 42Y supplies the developer stored in the receiving chamber 110 of the developer on the developer mechanism 43Y using the friction charge. Processing mechanism 43Y causes the developer to the surface of the photoconductor 44Y on which unit 30 of the light scanning formed latent electrostatic image to form a visible image. Developing device according to this variant embodiment has improved the delivery configuration of the developer that is appropriate to achieve superior print quality and effective use of the developer. This improved configuration of the delivery of the developer will be described later in more detail.

Developing device 40Y may also include a charging roller 45Y to charge the photoconductor 44Y certain electric potential before the block 30 of the light scanning will direct light onto the photoconductor 44Y.

Figure 1 is a transfer unit 50 may include, instead of the intermediate transfer ribbon tape 51, delivering printed media, the leading roller 52 and 53 or the Vedas is the range of the roller 52 or 53, and many of the transfer roller 54, is placed inside the perimeter of the tape 51, delivering the paper. The transfer rollers 54 are placed next to the corresponding photoconductors 44 and transmits the developers with photoconductors 44 on the paper.

The block 60 of the detent may include a heating roller 61 having a heater and a pressure roller 62 that is located against the heating roller 61. When the printing medium S passes between the heating roller 61 and the pressure roller 62, an image is recorded on the printing medium S heat transmitted from the heating roller 61 and the pressure acting between the heating roller 61 and the pressure roller 62.

Block 70 release print media may include video release 71 printed media and the support roller 72 and serves to release the print media passing through the block 60 of the fixing of the housing 10.

Figure 2 shows a view in section, illustrating the developing device 40Y according to the variant embodiment shown in figure 1.

As shown in figure 2, the receiving chamber 110 of the developer developing device 40Y may be separated by a partition wall 120 of the first receiving chamber 111 of the developer and a second receiving chamber 112 of the developer. The first receiving chamber 111 of the developer and a second receiving chamber 112 of the developer can have communication between them through the course 122 (see 7)provided in the side walls 120. The upper end of the partition 120 may be in contact with the top plate 111b processing device, and the lower end of the partition 120 can be in contact with the bottom plane street 111A processing device.

Developing device 40Y in accordance with the present invention may optionally include an element 130 that delivers the developer, the feed auger 140 provided over the inlet 122 of the partition 120, and a mixing element 150 that is located under the inlet 122 of the partition 120.

Figure 3 shows a General view illustrating the first receiving chamber 110 of the developer developing device 40Y according to the variant embodiment shown in figure 1, and figure 4 shows in enlarged view a General view illustrating the inlet 122, is made in the partition wall 120 according to the variant embodiment shown in figure 1.

As shown in figure 3, the element 130 that delivers the developer may include delivering the tape 131 and a pair of leading the shafts 132 and 133 to actuate delivers tape 131. Element 130 that delivers the developer, can serve not only for mixing of the developer stored in the first receiving chamber 111 of the developer, but also to deliver the part of the developer stored in the first receiving chamber 111 of the developer in the direction of the second receiving chamber 112 of the developer. For example, p is Avital can move upward relative to the force of gravity (referred to here as gravity) to the developer. Numeric position 134, 135, 136 and 137 denote holes for the shafts, which establish the respective drive shafts 132 and 133 element 130 that delivers the developer. Here are two of the leading shaft center of the drive shaft 132, which is located closer to the feed auger 140, ideally, is located below the center of rotation of the feed auger 140 in the direction of action of gravity. In other words, the center of rotation of the feed auger 140 may be provided in the developing device 40Y above the center of the drive shaft 132. In addition, rotator, located on the control shaft 132, which is closer to the feed auger 140 may have a greater radius of rotation than the radius of rotation of the rotator placed on the control shaft 133 that are further away from the screw conveyor 140. Drive shaft 132, which is located closer to the feed auger 140 may be placed higher than the drive shaft 133, which further feed auger 140, in the direction of action of gravity. This arrangement provides effective regulation of the capacity of the developer.

Next will be described one of the possible signs of the element 130, delivering the developer using the delivering belt 131. Usually in the direction of the feeding mechanism, essentially horizontally, has a large variety of feeding mechanisms for feeding the developer to the feed mechanism. The device forming the Oia color image, in which many developing device is placed essentially vertically, one above the other, like the present variant embodiment of the invention, may want to reduce the height of each processing device in order to reduce the overall height of the device imaging, and it is connected with the decrease of the radius of rotation of the agitators inside the developing device. However, the smaller the radius of rotation of the agitators, the smaller the radius of rotation delivered by the developer and, accordingly, the smaller the period of delivery of the developer. In other words, the smaller the height of the processing device, the smaller the radius of rotation of the agitators and there is a need for a sufficient number of agitators for the effective delivery of the developer. However, the flow of developer through the use of a large number of agitators create serious tensions in the developer. Additional increased the number of agitators leads to a complicated configuration, which includes a complex mechanism transmitting a driving force to drive the mixers. Therefore, provided that delivers the tape 131 is used for supplying the developer under this implementation variant, there is no need for the usual variety of mixers. Although processing device in this configuration has a reduced height, processor device both the accounts for the rotation of the leading pair of shafts 132 and 133, allowing for a simplified configuration. In addition, the exclusion of the complex mechanism of transmission of the driving force prevents the voltage in the developer.

As shown in figure 3 and 4, the partition wall 120, which divides the first receiving chamber 111 of the developer and a second receiving chamber 112 of the developer, may include section 121 for temporarily storing the developer, provided on the bottom of the feed auger 140. In section 121 for temporarily storing the developer may provide input 122. In this variant embodiment, the section 121 for temporarily storing the developer has a U-shaped curved section with a concave upper surface.

The developer transported in the direction of the second receiving chamber 112 of the developer, in this example, the upward direction against the force of gravity, in the first receiving chamber 111 of the developer through the element 130 that delivers the developer can be fed to the area 121 for temporarily storing the developer (see figure 2) and then to fall from section 121 for temporarily storing the developer in the second receiving chamber 112 of the developer through the inlet 122. In this case, in order to prevent the accumulation of the developer supplied to the second receiving chamber 112 of the developer, to levels above the clearance x between the feed mechanism 42Y and processing mechanism 43Y, entry 122 in the partition 120 can be located below the area of the Azora x between the feed mechanism 42Y and processing mechanism 43Y (see 2) in the direction of the force of gravity (g).

Input 122 may have a rectangular or elliptical shape and can be located close to far in the longitudinal direction end of the rotating screw conveyor 140. However, there are various possibilities regarding the location, shape, and/or the number of inputs 122. For example, in the case of replacement of the feed auger 140 mixing stirrer or any other element of delivery, which has the functions of supply, there may be only one input 122, or input 122 may take the form of extended length of the slit. As another example of a possible configuration in which there are many cracks, separated from each other in the longitudinal direction.

In the present embodiment of implementation of the feed mechanism or processing mechanism may take the form of a cylindrical roller in which a conductive shaft is centered, and the conductive rubber plot of the movie surrounds the periphery of the conductive shaft. However, the General concept of the invention is not limited to the form roller, and in other similar embodiments, the embodiments may also use these funds in the form of a tape or brush. Feed mechanism and processing mechanism positioned opposite each other and rotate, defining a gap between them. In particular, the feed mechanism and processing mechanism across the lagoon to rotate in the wrong direction in the area of the gap, generating a frictional force charge to the frictional charge of the developer, thus enabling you to deliver the developer to the developer mechanism. Of course, to electrically charge the developer in addition to using the friction on the feed mechanism and the processing mechanism may be filed DC. When applying DC absolute value of the power fed to the processing mechanism, ideally less than the absolute value of the power fed to the feed mechanism to facilitate the electrical charging of the developer.

In order to prevent excessive supply of the developer to section 121 for temporarily storing the developer, plot 123 section 121 for temporarily storing the developer, provided next to the item 130, delivering the developer, may be placed lower than the center of rotation of the feed auger 140 (see figure 2).

As shown in figure 3, the feed auger 140 may include a helical delivering blade 141 in the axial direction and delivers a shoulder 142 in the radial direction. Helical delivering blade 141 in the axial direction creates an axial force for shipping developer coming to the area 121 for temporarily storing the developer, to the door 122 in the partition 120. Deliver the blade 142 in the radial direction creates a radial force sufficient the key to return part of the delivered developer, not included in the input 122, item 130, delivering the developer.

The shielding element 160 (figure 4) may be provided for shielding the entrance 122 in the initial position of the developing device 40Y. The user can open the entrance 122, for example, by moving the shielding element 160 in the direction from the developing device 40Y. In an alternative embodiment of the shielding element 160 can open the entrance 122 when installing a processor device or by manipulating the processing device. In another alternative embodiment of the shielding element 160 can be used for closing or opening the inlet 122 in combination with the adjacent rotatable element (for example, the feed auger 140 or screw). If necessary, the shielding element 160 may be provided with an elastic element (not shown)providing an elastic opening and closing, and a guiding element (not shown)guiding the movement of the shielding element 160. In addition, the shielding element 160 to prevent leakage can be provided a sealing element (not shown). When using the shielding element 160 ideally more input 122 to close the inlet 122, and the present invention can of course be implemented even in the case when combined with three the ith element 160 is, as described.

Figure 5 shows a General view illustrating the mixing element 150 according to the variant embodiment shown in figure 1, and figure 6 shows a view in the plane, illustrating the action of the mixing element 150 according to the variant embodiment shown in figure 1.

As shown in figure 5 and 6, the mixing element 150 may include a first rotating screw 151 to deliver the developer in one direction and the second rotating screw 152 to deliver the developer in the other direction. Numeric position 153 denotes a rotating wall provided between the first screw 151 and the second screw 152, and a rotating wall 153 is equipped with a connecting hole formed on its opposite sides.

The developer received in the second receiving chamber 112 of the developer through the inlet 122 rotates together with the rotating wall 153 provided between them. This rotation prevents the solidification of the developer and aligns the developer, causing a uniform flow of the developer in the longitudinal relative to the feeding mechanism 42Y direction.

In this embodiment, the implementation of the applied input elements of type auger, such as the feed auger 140, the first rotating screw 151 and the second rotating screw 152. However, in alternative implementations, which bodø is described later, in addition to the feed elements of type auger can also be applied to another element of the delivery of the developer, element, agitating the developer, and the element, mixing the developer. In this case, the peripheral configuration can be changed according to the shape of the corresponding elements, and this change is clear to experts in the given field of technology.

7 shows a flow path of the developer in the developing device 40Y according to the variant embodiment shown in figure 1, and Fig shows a view in section of the periphery of the inlet 122 according to the variant embodiment shown in figure 1, illustrating the operation of returning the developer filed in section 121 for temporarily storing the developer on the partition 120 in position, when the second receiving chamber 112 of the developer filed a sufficient amount of the developer.

As shown in Fig.7, the developer located in the first receiving chamber 111 of the developer, is delivered in the direction of the second receiving chamber 112 of the developer, in this example, the upward direction against the force of gravity, element 130 that delivers the developer, so apply it in section 121 for temporarily storing the developer. After delivery of the section 121 for temporarily storing the developer to the side walls 120 through the helical delivering blade 141 in the axial load is th direction of the feed auger 140 developer imposed under the influence of gravity through the inlet 122, provided in the side wall section 121 for temporarily storing the developer. While the developer falls into the second receiving chamber 112 of the developer through the inlet 122.

This falling of the developer can be fed to the feed mechanism 42Y one or more rotating screws. More specifically, the present variant embodiment involves the use of two rotating augers, and the developer provides the rotation of the first screw 151 and the second rotating auger 152 from rotating wall 153 located between them. When the rotation of the developer fed to the developing mechanism 43Y through the feeding mechanism 42Y. In addition, if desired, you can use more than two rotating augers.

After the second receiving chamber 112 of the developer submitted a sufficient amount of the developer, the input of the developer through the inlet 122 can be stopped. As shown in Fig, the part of the developer, which was not introduced through the inlet 122 may be returned to the element 130 that delivers the developer delivers blade 142 in the radial direction of the screw conveyor 140.

When the above-described configuration and operation in a developing device according to the present invention, the baffle 120 provides a consistent supply and consumption of the developer, which gives a uniform print quality and effective use the ie developer. More specifically, in the developing device 40Y in accordance with the present invention, the partition wall 120 does not permit the return of the developer in the first 111 receiving chamber of the developer, damaged peripheral pressure and temperature around the processor mechanism 43Y and feeding mechanism 42Y, and is also consistent consumption of the developer around the processing mechanism 43Y and feeding mechanism 42Y, thus providing a uniform print quality. It also prevents the mixing of high-quality developer with the corrupt developer, which makes it useless, leading to a higher efficiency of the developer.

Developing device according to the present implementation variant supports the right amount of developer, adopted second receiving chamber 112 of the developer without using a separate sensor. More specifically, in the developing device according to the present variant embodiment, the part of the developer stored in the first receiving chamber 111 of the developer, is delivered in the direction of the second receiving chamber 112 of the developer, in this example, the upward direction against the force of gravity, to fall through the inlet 122 under the influence of gravity. If the developer supplied to the second receiving chamber 112 of the developer accumulates around an inlet 122, the developer is no longer podaa the Xia through the inlet 122, but back to the element 130, delivering developer, always maintaining at a given level of the developer, adopted second receiving chamber 112 of the developer. In addition, in the present implementation, the feed auger 140 may include delivering a shoulder 142 in the radial direction, provided at the input 122 and providing a more effective return of the developer in the developing device 40Y.

In the present implementation the axial force of the screw conveyor 140 and the load of the developer stored in the first receiving chamber 111 of the developer, do not affect the input 122. This not only prevents the flow into the second receiving chamber 112 of the developer too many developer, but also minimizes the deterioration of the developer occurring during input of the second developer receiving chamber 112 of the developer.

At the position at which the developing device 40Y installed on the device imaging (see figure 1), the bottom plane street 111A of the first reception chamber of the developer according to the present variant embodiment can be tilted. Accordingly, the developer in the first receiving chamber 111 of the developer under the influence of gravity is concentrated on the side opposite the partition 120, and to the input 122 is not included with almost no pressure, connected what about the cargo of the developer, even if the first receiving chamber 111 of the developer filled with lots of developer. In this case, the angle α of inclination of the bottom plane street 111A may be in the range from approximately 2 to 5 degrees. If the angle α of inclination of the bottom plane street 111A is less than 2 deg., it may be difficult to effectively prevent the stress concentration of the developer at the input 122. If the angle α of inclination of the bottom plane street 111A more than 15 deg., there is a danger of excessive application of gravitational stress to the developer, focused on the side opposite the partition wall 120, which prevents the effective delivery of the developer to the feed mechanism 42Y.

Hereinafter will be described in alternative implementations of the invention with reference to the accompanying drawings.

On figa shows a General view illustrating the partition and return the element, provided in the developing device according to other variant embodiments of the invention, and figv shows a General view illustrating the septum and stirring element is provided in the developing device according to another variant embodiment of the invention.

As shown in figa, in this implementation the input 222 provided in the partition 220 may take the form of a slit running longitudinally relative to the septum 220 direction from the left side wall 113 on the right side wall 114 of the processor device. The developer delivered in the first receiving chamber 211 of the developer in the direction of the second receiving chamber of the developer element in the delivery of the developer falls through with the shape of the entrance slit 222.

Developing device according to the present variant implementations can optionally include a return element 240, placed above the entrance 222 and intended to return part of the developer, not passing through the inlet 222 in the direction of the item of delivery of the developer. Return element 240 may include a rotating shaft 241, a return blade 242 attached to the outer periphery of the rotating shaft 241. From the developer, delivered in the first receiving chamber 211 of the developer in the direction of the second receiving chamber of the developer element in the delivery of the developer, the part of the developer, not included in the input 222 is returned in the direction of the item of delivery of the developer through a reflexive element 240.

On FIGU, which illustrates another variant embodiment of the present General concept of the invention, the septum 320 is equipped with many inputs 322, placed longitudinally relative to the septum 320 direction. When the developer is delivered to the area 121 for temporarily storing the developer, the developer is uniformly fed into the second receiving chamber 122 of the developer through the inputs 322 in a direction essentially transverse relation is sustained fashion feed direction of the developer.

Plot 121 for temporarily storing the developer may provide a helical mixing element 340. If the developer is delivered to the first receiving chamber 111 of the developer in the direction of the area 121 for temporarily storing the developer delivers the developer element, a mixing element 340 mixes the developer, causing a uniform distribution of the developer in a direction essentially transverse to the direction of feed of the developer.

As shown in figa and 9B, there are no restrictions on the number and shape of the inputs, and the inputs can be changed in various ways. In addition, different form other elements, such as the feed auger 140 according to the first variant embodiment, the return element 240 according to the second variant embodiment, and a mixing element 340 according to the third variant embodiment, may be provided on inputs based on the amount and form inputs, performing with this delivery operations of the developer in the inputs, the alignment of the developer and/or return the developer to the element of the delivery of the developer. Of course described here, the feed auger 140, the return element 240, etc. are given only as examples, and can be installed also elements of various other forms.

Figure 10 shows a General view illustrating a mixing element provided in the second of priem the second chamber of the developer according to another variant embodiment of the present General the concept of the invention.

Mixing element 350 according to the present variant embodiment includes the coil 351. Spiral 351 may be mounted for rotation in the second receiving chamber 312 of the developer and to align the developer.

Of course, the described mixing elements are given by way of example, and their shape can be changed, the shape may differ from the above described forms of the screw and spiral, and possibly also the use of different number of mixing elements.

As can be seen from the above description, the embodiments of the present General principle of the invention form a processing device having an improved configuration of the supply of the developer.

Although there have been described various ways embodiment of the present General concept of the invention, specialists in the art can envision additional variants and modifications of the embodiment variants after they will study the basic concepts of the invention. Therefore, it is assumed that the appended claims be interpreted as including these options embodiments and all such variations and modifications are consistent with the nature and extent of this General concept of the invention.

1. Processor device device forming an image, comprising:
the first block delivery, etc is naznaczony to deliver the developer to the feed mechanism; and
the second block of delivery, intended for delivery of the developer at a point above the first unit delivery;
wherein the processing device is tilted, and the processing device has an input element configured to deliver the developer up the slope in the first block delivery.

2. Developing device according to claim 1, additionally containing a receiving chamber of the developer that takes the developer supplied to the feed mechanism, and in which the developer adopted a receiving cell of the developer is delivered to the second block of the first delivery unit delivery and delivered to the feeding mechanism of the second block delivery.

3. Developing device according to claim 2, further comprising: a partition wall for separating the reception chamber of the developer on the first
receiving chamber of the developer and a second receiving chamber of the developer,
the first unit delivery and the second block delivery provided respectively above and below this partition.

4. Developing device according to claim 3, in which the partition wall includes a first section of a partition between the first power delivery and the second power delivery, and the second section walls, essentially, protruding downward from the first section of the partition.

5. Developing device according to claim 4, further comprising: entrance, vypolnen the th in the first sector of a partition,
while the developer delivered the first unit of delivery, is supplied to the second power delivery via this input.

6. Developing device according to claim 5, in which the first section of the partition, essentially surrounds the lower portion of the first unit delivery.

7. Developing device according to claim 5, in which the entry is made on the end section of the partition.

8. Developing device according to claim 7, in which the first unit delivery includes helical delivering blade to deliver the developer to the entrance and radial delivering the paddle to return the part of the developer, which has not appeared in the entrance.

9. Developing device according to claim 5, in which the input partitions is below the clearance between the feed mechanism and processing mechanism.

10. Developing device according to claim 5, further comprising: a shielding element for selective shielding of the input partitions.

11. Developing device according to claim 4, in which the second section of the baffle restricts the return of the developer, which is delivered from the first power delivery to the second power delivery.

12. Processing device 12, in which
the bottom plane of the first reception chamber of the developer has an angle of inclination in the range from about 2°to about 5°, when installing the processor device in the device forming the image.

13. Developing device according to p., where:
the second unit delivery includes a first rotating screw and the second rotating auger,
when this processing device further comprises a rotating wall provided between the first screw and the second screw and having a transmitting hole formed on its opposite sides.



 

Same patents:

FIELD: physics.

SUBSTANCE: container for supplying developer is detachably fitted in a device for receiving developer, which has an actuating element, through an installation operation which includes at least its turning. The disclosed container has: a housing; a rotating loading element lying in the said housing of the container; a device for transmitting actuation linked to the actuating element; and a restraining device which is configured and positioned to provide a restraining force which is a damping force for restraining relative turning between the said container for supplying developer and the said device for transmitting actuation, for turning the said container for supplying developer in the direction of the position for supplying developer using a rotary force received by the said device for transmitting actuation.

EFFECT: simplification and improved operational capabilities of the container for supplying developer.

60 cl, 31 dwg

FIELD: physics.

SUBSTANCE: invention discloses a toner cartridge, a developing device and an image forming apparatus, where a memory device is provided in the cartridge such that it can be accessed through the image forming apparatus. The image forming apparatus includes a developing device which is detachably attached to the housing of the image forming apparatus, and a toner cartridge detachably fitted in a developer cartridge, which comprises a memory device accessible from the surface of the toner cartridge open to the outside of the developer cartridge when the toner cartridge is fitted in the developer cartridge.

EFFECT: easy use and low operational costs.

26 cl, 4 dwg

FIELD: physics.

SUBSTANCE: container for feeding developer can be detachably fit into a device for receiving developer. The container has actuation apparatus and apparatus for applying a displacement force, where the container for feeding developer is installed via an installation operation involving at least its turning in the direction of installation. The container for feeding developer includes: a rotating unloading element for unloading developer from said container for feeding developer; apparatus for transmitting actuating force from the actuating apparatus to the said unloading element; movable retaining apparatus which can move between the working position, in which relative turning of the apparatus for transmitting actuating force relative the container for feeding developer is retained in order to turn the container for feeding developer in the direction of installation using the actuation force obtained from the actuating apparatus, and the non-working position; and apparatus for receiving the displacement force, designed to receive from the apparatus for applying the displacement force, a force for displacement of the retaining apparatus from the non-working position to the working position.

EFFECT: design of a container for feeding developer in which the force value is significantly reduced.

32 cl, 27 dwg

FIELD: instrument making.

SUBSTANCE: unit of toner amount measurement radiates image developed by toner with light, and unit to capture image developed by toner captures image according to reflected wave corresponding to light reflected by image developed by toner. Then amount of applied toner is calculated on the basis of peak position or height of reflected wave peak in compliance with information related to density of generated image developed by toner.

EFFECT: measurement of amount of applied toner in wide range from range of low densities to range of high densities, reduced dimensions of device.

16 cl, 27 dwg

FIELD: physics.

SUBSTANCE: system for feeding developer has a device for receiving the developer, which has a docking area for placing the container for feeding the developer with possibility of removal, and a driving gear wheel. The container for feeding the developer has an accommodating area for accommodating the developer, a developer outlet opening, an adjustment element for adjusting orientation of the container for feeding the developer relative the device for receiving the developer, a stopper area for preventing rotation of the container for feeding the developer in the direction of alerting the element for feeding the developer and the driving apparatus.

EFFECT: design of a container for feeding developer, in which the characteristic for output of the developer is high, while preventing rotation of the container for feeding the developer in the direction which is opposite the given direction, and while reducing scattering of the developer.

38 cl, 34 dwg

FIELD: physics.

SUBSTANCE: development cartridge comprises development agent container, development agent mixer arranged in toner-cartridge, feeder to feed developing agent to developing roll, developing roll develop electrostatic image on photo conductor, and power receiver to drive only one gear wheel of gear wheel set of power receiver. Power receiver is arranged to turn in two and more positions to adopt to imager position. Initial position of power receiver is that of reception of input power. Power receiver drive comprises pressure unit, deflector, spring and torsion spring. Power receiver drive is controlled by pressure unit. With pressure unit depressed, power receiver turns into another position of input power reception at the action of torsion spring. This invention may be incorporated with diverse imagers.

EFFECT: development cartridge that may be used in diverse imagers.

6 cl, 6 dwg

FIELD: physics.

SUBSTANCE: developing device used with an image forming device has a cartridge for the developing agent having an outlet opening for releasing the developing agent; a developing cartridge in which the cartridge for the developing agent is detachably fitted and in which there is an inlet opening for the developing agent from the outlet opening of the cartridge for the developing agent; and a connecting element which connects the outlet opening of the cartridge for the developing agent and the inlet opening of the developing cartridge so that the developing agent is fed from the cartridge for the developing agent into the developing cartridge, wherein owing to design of the cartridge for the developing agent, the developing cartridge and the connecting element, flow of the developing agent from the cartridge for the developing agent into the developing cartridge is controlled based on pressure of the developing agent in the developing cartridge.

EFFECT: design of a developing cartridge with a detachable cartridge for developing agent, which enables filling the developing agent by only replacing the detachable cartridge for developing agent, control of flow of the developing agent from the detachable cartridge for the developing agent into the developing cartridge.

35 cl, 15 dwg

FIELD: machine building.

SUBSTANCE: container for developer supply installed into device of developer receiving is actuated in ready position by operator turning container of developer supply in direction of ready position. The disclosed here container consists of containing section to contain developer, of a rotary outlet element for discharge of developer from the containing section and of an element of a driven transmission for engagement with a driven gear arranged in the structure of the developer reception to transfer driving force onto discharge element. Also the element of driven transmission can engage the driven gear when the operator turns the developer supply container into ready position. The element of the driven transmission is loaded for turn of the developer supply container in the ready position when this element is actuated with a driving force.

EFFECT: reduced wear of driven gear and element of driven transmission.

33 cl, 33 dwg

FIELD: physics.

SUBSTANCE: image forming device has: developing apparatus for supplying toner medium to an image carrier; a toner medium container which has a unit for feeding the stored toner medium to the developing apparatus; an element for detecting the amount of toner medium remaining in the container; and a controller for changing supply rate of the feeding unit when the amount of remaining toner medium detected by the detection element is below a given level in order to uniformly maintain the amount of toner medium fed from the container to the developing apparatus.

EFFECT: maintenance of uniform amount of toner medium fed from the container into the developing apparatus in order to prevent a defective image.

27 cl, 8 dwg, 1 tbl

FIELD: physics, photography.

SUBSTANCE: invention relates to an image forming device and specifically to configuration of a developer unit of an image forming device. The developer cartridge has case with an attachment section which receives the developer cartridge in order to fill the developer cartridge case with an amount of developer equal to that consumed through the developer cartridge case and an element which forms the cover which closes the opening of the attachment section when the cartridge for the developer is not fitted into the developer cartridge. The element which forms the cover has a part for collecting the remaining developer. The developer unit has a developer cartridge which includes a developer supply unit which contains developer, and an attachment section with an opening facing the surface of the wall on one side of the developer cartridge and a cartridge for the developer which is inserted into the attachment section in order to feed the developer into the developer supply unit.

EFFECT: possibility of filling high-quality developer.

22 cl, 7 dwg

FIELD: printing industry.

SUBSTANCE: development device of image generation device includes a development mechanism, designed to feed a developer to the development mechanism, a receiving chamber for the developer, where the developer is supplied, which should be fed to the feeding mechanism, and the first unit of delivery and the second unit of delivery, which are arranged one above the other in the position, in which the development device is installed in the image generation device. The developer received by the developer containing chamber is delivered to the second unit of delivery with the first delivery unit, afterwards it is delivered with the second unit of delivery to the feeding mechanism. The development device is inclined.

EFFECT: invention makes it possible to improve developer configuration.

13 cl, 10 dwg

FIELD: engineering of image forming devices.

SUBSTANCE: image forming device has first image forming mode for forming an image on image-carrying element by using a developer under given condition of image forming and second image forming mode for forming an image on an image-carrying element by using a developer under second condition of image forming, which is different from the first given image-forming condition and is set in such a manner, that developer flow value in second image forming mode is less than flow value in first image forming mode. Device also contains: storage means meant for storing information for setting second image-forming condition, corresponding to the set of levels of usability value of image-carrying element, differentiation means for differentiating an image subject to forming and control means, meant for setting second image forming condition in second image forming mode depending on the result of differentiation, produced by means of differentiation and usability value of image-carrying element and information, stored in the storage means. The cartridge contains information processing means, intended for processing information on the image, which should be formed, an image-carrying element, storage means, meant for storing information in the cartridge, and having first storage area for storage of information, used in conjunction with image information, for setting second image-forming condition depending on the set of levels of usability value of image-carrying element in second image forming mode.

EFFECT: creation of device for forming an image and of a cartridge, which allow to reduce amount of used developer, and to preserve stable quality of image independently from usability value of image-carrying element.

4 cl, 38 dwg

FIELD: physics.

SUBSTANCE: image forming device has a first image forming mode to form an image on an image transfer element using developer in a first fixed state of image forming, and a second image forming mode to form an image on an image transfer element using developer in a second state of image forming, which is different from said first fixed state of image forming and is predefined so as to ensure developer consumption in the second image forming mode lower than that in the first image forming mode for the same image. At that, said device includes a storage to store information on used capacity of the image transfer element, an image processing controller to process the image on the basis of size of concentrated pixel area in the image information when the second image forming mode is set, and a control means to change the second image forming state in the second image forming mode depending on results of the processing carried out by the image processing controller and on the information stored in the storage. The cartridge contains an image transfer element. The storage includes the first storing area to store information on used capacity of the image transfer element, which is used in combination with the image information depending on results of the processing carried out by the image processing controller in order to change the second state of image forming. At that, the information for changing the second state of image forming is the information, which is used in the second mode of image forming, but not in the first mode of image forming.

EFFECT: provision of image forming device and cartridge capable to reduce consumption of developer while keeping stable image peculiarities regardless used capacity of image transfer element; provision of storage device to be installed on cartridge.

31 cl, 32 dwg

FIELD: physics; optics.

SUBSTANCE: image generating device comprises a rotatable latent image carrier, which is configurable to carry latent image, a spreading blade, a cleaning blade for remaining toner removal from the cleaned area of latent image, and a lubricating means. The latter comprises a lubricating element located on the downside of the cleaning blade as regards to direction of rotation of latent image carrier. It lubricates respective area of latent image carrier. Cleaning area and lubricating area overlap and are, in fact, one and the same area of latent image carrier. A brush roller is used as a lubricating element. Lubricant is a lubricating rod; image generating device comprises an apparatus, which rotates the brush roller so that the latter removes the rod-shaped lubricant and applies it onto latent image carrier. Cleaning blade is located at the upper side of lubricating means in the direction of rotation of image carrier. Spreading blade is located at the downside; brush roller width and longitudinal spreading blade width relationship being as follows: brush roller width ≤ spreading blade width.

EFFECT: reduced friction factor of photoconductive material, reduced dimensions, reduced lubricant consumption.

30 cl, 18 dwg

FIELD: mechanics.

SUBSTANCE: proposed cartridge to feed developer can be mounted in the developer intake device and removed therefrom and comprises the following elements, i.e. compartment to contain developer therein with a hole to feed it therefrom, a flexible element arranged in the aforesaid compartment around the said hole to seal the transition area between the developer feed cartridge and developer intake device. It also includes a film placed on the compartment containing developer and enveloping aforesaid flexible sealing element. The said film can be removed from the outlet hole. The proposed device incorporates also a gate to open and close the said outlet hole, that can slide over the flexible element on opening the latter by removing the aforesaid film.

EFFECT: cartridge to feed developer that requires minor force to open and close its gate and comprises sealing film ruling out leakage of dye-coupling developer.

5 cl, 6 dwg

FIELD: physics; image processing.

SUBSTANCE: invention relates to a device for transporting developer for use in an image formation device. Proposed is a device for transporting developer having a developer transportation unit and a unit for detecting toner concentration. There is a clamping wall in part of the entire area of the first transportation compartment in which there is a first screw element. The area lies opposite the bottom wall of the first transportation compartment on the bottom side in the direction of gravity of the first screw element and opposite sidewalls of the first transportation compartment on both transverse sides orthogonal to the direction of the axis of rotation of the first screw element. In this area toner concentration of the transported developer is determined using a toner concentration sensor. The clamping wall comes into contact with developer on the top in the direction of gravity, with the developer moving from the bottom to the top side in the direction of gravity in accordance with rotation of the first screw element and presses the developer down in the direction of gravity.

EFFECT: more accurate toner concentration detection.

13 cl, 48 dwg

FIELD: printing industry.

SUBSTANCE: in development cartridge contact plate of electrode element is arranged with the possibility of contact with contact site of development shift within the limits of projection plane, when slave binding part is projected in the first direction. The first axial line, which is axis of developing roll shaft, and the second axial line, which is axis of inlet toothed wheel, are arranged parallel and equidistantly in fore and aft direction. Part of contact plate is arranged on the second axial line. The first line that connects axis, around which inlet toothed gear rotates, and shaft of developing roll, and the second line that connects contact plate and shaft of developing roll are arranged parallel to each other. Distance between the first axial line and the second axial line is equal to the distance between the first axial line and contact plate.

EFFECT: stable supply of power to shaft of developing roll, even when motive force is sent directly from master binging part of device for images generation to slave binding part of development cartridge.

74 cl, 25 dwg

FIELD: physics.

SUBSTANCE: cartridge for supplying developer is made with possibility of detachable installation into the main unit of the electrophotographic image formation device. The primary colour cartridge includes: an electrophotographic photosensitive drum; a developer roller designed for developing an electrostatic latent image formed on the electrophotographic photosensitive drum, a valve section of the receiving side which moves between the position for allowed reception of developer for opening developer reception holes, a moving section of the receiving side which moves for interrelated movement of the valve section of the receiving side between the position for allowed reception of developer and the position for prohibited reception of the developer. The moving section of the receiving side includes a working section of the receiving side which occupies the working position when the valve section of the receiving side is in the position for allowed reception of the developer, a control element designed for controlling movement of the moving section of the receiving side when the working section of the receiving side is in the working position. The cartridge for supplying developer also includes a developer holding section for the source side, a valve section for the source side which moves between the position for allowed supply of developer for opening holes for feeding the developer and the position for prohibited supply of the developer for closing holes for feeding the developer and a moving section for the source side. The moving section of the source side moves when the cartridge for supplying developer enters the main unit of the device in a position where the primary colour cartridge is installed in the main unit of the device for interrelated movement of the valve section for the source side from the position for prohibited supply of developer to the position for allowed supply of developer as a result of linkage with the working section of the receiving side of the moving section of the receiving side, whose movement is controlled by the control element in a state in which the working section of the receiving side lies in the working position.

EFFECT: design of a cartridge for supplying developer, a primary colour cartridge and an electrophotographic image formation device in which when the cartridge for supplying developer is extracted from the main unit of the device in a position where both the primary colour cartridge and the cartridge for supplying developer are installed in the main unit of the electrophotographic image formation device, loss of developer through holes for feeding the developer or through holes for receiving the developer can be prevented.

40 cl, 28 dwg

FIELD: physics.

SUBSTANCE: proposed is a developer transportation device which has a developer transportation unit and a toner concentration detection unit which can detect concentration of toner in the developer by getting into contact with the developer or a toner concentration sensor or the wall of the developer transportation unit. The average maximum value of the force pressing the developer to the surface of the sensor of the toner concentration detection unit or to the wall of the developer transportation unit ranges from 9.8×15 N/m2 to 9.8×100 N/m2. Proposed also is an image processing unit which has a latent image holding unit and a developing device which has a developer transportation device and a developer holding unit; an image formation device which has a latent image holding unit and a developing device.

EFFECT: more accurate detection of toner concentration.

8 cl, 26 dwg

FIELD: physics.

SUBSTANCE: developing apparatus is detachably mounted in the housing of an image formation device. The memory device has terminals passing through the rear side of the developing apparatus. The memory device is placed closer to the power reception unit formed on one side of the developing apparatus than to the actuating force reception unit formed on the other side of the developing apparatus.

EFFECT: prevention of damage to the memory device and bad connection between terminals of the memory device and the main housing of the image formation device due to the improved installation position of the memory device, and the image formation device fitted with such a development apparatus.

24 cl, 5 dwg

FIELD: physics, photography.

SUBSTANCE: invention relates to an image forming device and specifically to configuration of a developer unit of an image forming device. The developer cartridge has case with an attachment section which receives the developer cartridge in order to fill the developer cartridge case with an amount of developer equal to that consumed through the developer cartridge case and an element which forms the cover which closes the opening of the attachment section when the cartridge for the developer is not fitted into the developer cartridge. The element which forms the cover has a part for collecting the remaining developer. The developer unit has a developer cartridge which includes a developer supply unit which contains developer, and an attachment section with an opening facing the surface of the wall on one side of the developer cartridge and a cartridge for the developer which is inserted into the attachment section in order to feed the developer into the developer supply unit.

EFFECT: possibility of filling high-quality developer.

22 cl, 7 dwg

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