The thermal device

 

(57) Abstract:

The inventive thermal device contains a thermal head mounted on the rotary support, made in the form of two shoulders of the lever axis, the cover, with the possibility of rotation about the axis. On the cover in the place of its landing on the axis there is a profile of the Cam, and on the opposite side of the cover are beveled. Reference-transporting roller serves as a support for the paper during the printing process and transports the paper to the character or graphic information. 1 C.p. f-crystals, 2 Il.

The invention relates to the field of instrumentation and can be used in small-sized input device information when registering measured parameters on heat-sensitive media.

Known thermal device including a folding protective cover and thermal head is installed on the cover.

One of the drawbacks is that when setting the paper or when servicing the printhead is open, which can cause damage. In addition, the cable connecting the printhead cartridge with the device, Padberg who have failed.

The closest to the technical nature of the claimed solution is a thermal device, comprising a housing with a protective cover, hub shaft, the print head mounted on the rotary support, made in the form of two shoulders of the lever, the locking device comprising a lever for fixing the head in the designated position, the electronic locking device.

A disadvantage of the known device is the necessity of supplying the printhead to the transport shaft by a separate lever that when the negligence of the operator (not turned the lever) will entail the loss of recorded data, as well as the failure of the printhead due to violation of its thermal regime.

In addition, the presence of a knife in the working area of the device also makes inspection and maintenance of the printhead and the transport shaft.

The purpose of the proposed solutions is to increase the reliability of the device and facilitating maintenance.

This objective is achieved in that thermal device, comprising a housing mounted in the housing swivel bearing, made in the form of two shoulders of the lever, the printhead, fitted the cap is installed in the rotary body and communicates one of my sites with free printhead shoulder swivel bearings, this section of the safety cover is provided with a Cam for engagement with the response plot swivel bearing and the axis of rotation of the safety cap parallel to the axis of rotation of the rotary support.

In addition, a safety cover is provided with a bevel made on her plot, opposite from the rotation axis to the plot, interacting with swivel bearing.

Due to the fact that the applicant had not found solutions with the same set of distinctive features, that, in his opinion, the proposed solution meets the criterion of "significant differences".

In Fig.1 shows the inventive thermal device is diverted from the transport roller of the printhead of Fig.2 declared thermal device connected to the transport shaft of the printhead.

The inventive printing device includes a housing 1, the print head 2 mounted on the rotary support 3 made in the form of two shoulders of the lever, the axis 4, the protective cover 5, with the possibility of rotation about the axis 6. Axis 4 and 6 are parallel. On the cover 5 in place of its landing on the axle 6 has a profile of the Cam 7 and on the opposite side of the cover are cm. For translating the print head 2 in the position of refilling the paper in the device or for inspection and preventive maintenance of the head 2, the cover 5 is rotated on the axis 4 in the direction of the arrow (see Fig.1). The Cam 7 is the effect on the short arm 3, moving the head 2 from the transport roller 9 and at the same time opening up access to the head 2.

Summarizing the head 2 to the transport shaft 9 by rotation of the cover 5 in the opposite direction (see Fig.2), with the bevel 8 of the cover 5 extends beyond the end face of the head 2 and at the bend of the paper on a sharp edge of cover 5 allows you to take it at the Appendix to the paper forces directed along the cover 5 from the bevel 8.

Performing at one end of the Cam cover, interacting with one of the two shoulders shoulders lever, allows to increase the reliability of the device. In addition, in the inventive device open cover is well visible object of observation, warning about the removal of GHGs from the transport shaft that eliminates the use of electronic locking devices. At the same time with the lid closed, the cylinder is automatically pressed against the transport shaft.

The execution of the cutting element in the form of a bevel on the edge of the protective cover to release/P> 1. thermal device, comprising a housing mounted in the housing swivel bearing, made in the form of two shoulders of the lever, the print head mounted on one of the shoulders swivel bearings, hub shaft and the protective cover, wherein, to improve the reliability, the safety cover is installed in the rotary body and communicates one of my sites with free printhead shoulder swivel bearings, and this section of the safety cover is provided with a Cam for engagement with the response plot swivel bearing and the axis of rotation of the safety cap parallel to the axis of rotation of the rotary support.

2. The device under item 1, characterized in that, in order to facilitate maintenance, a safety cover is provided with a bevel made on her plot, opposite from the rotation axis to the plot, interacting with swivel bearing.

 

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