|
IPC classes for russian patent Light-weight spade (RU 2285374):
Another patents in same IPC classes:
 Tillage tool / 2277312
Tillage tool is made in the form of spade comprising shank and blade. Winding is positioned in the vicinity of spade shank and blade junction site and connected to controllable pulsed current source. Spade blade is equipped with replaceable metal plates or with plates having set of microelements and is connected to positive terminal of controllable pulsed current source.
 Hand-held tool / 2275772
Hand-held tool has spade or fork blade with foot stops, shank and asymmetric fork wherein rotary handle is detachably secured. Shank is made in the form of cylindrical pipe which is bent so as to allow user's foot to rest upon bent portion thereof, and is rigidly secured to blade. Foot stops provided on blade are bent upward. Shank and blade are manufactured from stainless steel.
 Ground digging apparatus / 2260272
Apparatus has frame and wheels mounted on lower part of frame. Lower side of frame lower part is reinforced with plates. Reinforcing planks disposed on upper part of frame are made channel-shaped. Spade cleaning scraper is provided on front end of frame upper part. Spade shank is made conical, with base being disposed at site of contacting with traverse of frame upper part. Rubberized grip is provided in upper part of spade shank.
 Spade and working tool for spade / 2253205
Spade has working tool comprising ladle-shaped casing made from polymeric reinforced material and provided with front edge portion formed as blade, and devices for connecting to handle. Strengthening head is attached to blade of working tool casing. Strengthening head has V-shaped section and is manufactured from impact-resistant material. One side of head is arranged on face side of casing of working tool and other side with at least one attachment member is arranged on rear side of casing. At least one member adapted for cooperation with head attachment member and device for joining with handle shank are fixed on rear side of casing.
 Light-weight spade / 2246190
Spade has shank bushing rigidly coupled to flat bayonet. The latter is equipped with side ends-wings bent in rearward direction and with axial shank. Bushing is extending to mid portion of bayonet and is equipped with sharpened front end having edges contacting with and rigidly connected to flat bayonet.
 Spade / 2245005
Spade has shank, blade with rigidity rib in mid portion, scraper disposed on blade for moving thereon, and handle. Two slots are made in blade at both sides of rigidity rib, in parallel therewith. Scraper is composed of two parts disposed at both sides of blade and connected with one another through slots by means of two bolts. Scraper profiles conform to profile of respective sides of blade, including rigidity rib and handle end. Part of scraper arranged at front side of blade is equipped with supporting surface and two guiding pins rigidly connected with said surface and adapted for movement along slots.
Spade / 2245005
Spade has shank, blade with rigidity rib in mid portion, scraper disposed on blade for moving thereon, and handle. Two slots are made in blade at both sides of rigidity rib, in parallel therewith. Scraper is composed of two parts disposed at both sides of blade and connected with one another through slots by means of two bolts. Scraper profiles conform to profile of respective sides of blade, including rigidity rib and handle end. Part of scraper arranged at front side of blade is equipped with supporting surface and two guiding pins rigidly connected with said surface and adapted for movement along slots.
Light-weight spade / 2246190
Spade has shank bushing rigidly coupled to flat bayonet. The latter is equipped with side ends-wings bent in rearward direction and with axial shank. Bushing is extending to mid portion of bayonet and is equipped with sharpened front end having edges contacting with and rigidly connected to flat bayonet.
Spade and working tool for spade / 2253205
Spade has working tool comprising ladle-shaped casing made from polymeric reinforced material and provided with front edge portion formed as blade, and devices for connecting to handle. Strengthening head is attached to blade of working tool casing. Strengthening head has V-shaped section and is manufactured from impact-resistant material. One side of head is arranged on face side of casing of working tool and other side with at least one attachment member is arranged on rear side of casing. At least one member adapted for cooperation with head attachment member and device for joining with handle shank are fixed on rear side of casing.
Ground digging apparatus / 2260272
Apparatus has frame and wheels mounted on lower part of frame. Lower side of frame lower part is reinforced with plates. Reinforcing planks disposed on upper part of frame are made channel-shaped. Spade cleaning scraper is provided on front end of frame upper part. Spade shank is made conical, with base being disposed at site of contacting with traverse of frame upper part. Rubberized grip is provided in upper part of spade shank.
Hand-held tool / 2275772
Hand-held tool has spade or fork blade with foot stops, shank and asymmetric fork wherein rotary handle is detachably secured. Shank is made in the form of cylindrical pipe which is bent so as to allow user's foot to rest upon bent portion thereof, and is rigidly secured to blade. Foot stops provided on blade are bent upward. Shank and blade are manufactured from stainless steel.
Tillage tool / 2277312
Tillage tool is made in the form of spade comprising shank and blade. Winding is positioned in the vicinity of spade shank and blade junction site and connected to controllable pulsed current source. Spade blade is equipped with replaceable metal plates or with plates having set of microelements and is connected to positive terminal of controllable pulsed current source.
 Light-weight spade / 2285374
Spade has flat blade provided with axial tail which is rigidly connected to shank bushing and shovel. Side parts of blade are made triangular. Bushing is made conical. Spade has faceplates which are contacting and rigidly connected to front part of bushing and central part of blade.
 Tillage apparatus / 2286662
Tillage apparatus has teeth interconnected at their upper parts by means of connection web, tine pivotally connected with pedal, elastic member for connecting pedal to tine, grid in lower part of tine, and foot supporting platform on connection web. Foot supporting platform is made in the form of U-shaped support rigidly joined to connection web and directed toward side opposite working surface of teeth, and shoe arranged opposite connection web. Shoe is fixed on connection web at an angle of 0-15 deg relative to surface of support in direction of tine. Connection web is rigidly joined to pedal. Teeth are equipped with sharpened end at their apexes and tine is equipped with handle.
 Spade-support for fishing rod / 2288556
Spade-support has shank made hollow and has V-shaped obstacle at its end. Spade handle is made detachable and formed as fork-shaped arm with screw attached to arm base. For using said facilities, handle is withdrawn from shank and screwed into ground so that fishing rod rests upon V-shaped obstacle. Employment of said spade-support allows cutting of brush or tree branches for further using thereof as supports is avoided.
 Collapsible spade / 2313927
Collapsible spade has body consisting of two parts which may be fixed by means of locking mechanism in operating position and released in forced manner from operating position, one of said parts being made tubular, and handle inserted into tubular part. Handle inserted into tubular part is joined by means of pivot joint with bayonet. One of handle ends is made spring-loaded. Body tubular part is furnished with converging tip. Pivot joint has two bends and end portions, one of said portions being rigidly connected to bayonet and other portion being inserted into tubular part tip and spring-loaded so as to prevent said part from rotation relative to handle. Handle is provided with main stop at its one end and additional stop at its mid portion. End portions of pivot joint are designed so as to be telescopically tightly inserted into tubular part tip, without possibility for rotation upon straightening of bends, to operating position. Other part of body is furnished at its one side with inner cavity adapted for receiving of handle and having grip allowing additional stop to be introduced in predetermined position into inner cavity, and cylindrical surface provided with locking mechanism and telescopically inserted into tubular part so as to be restrictedly retracted. Grip of other part of body is adapted for cooperation with main stop of handle or additional stop upon rotation of said part of body relative to pivot joint through predetermined angle after introducing thereof into inner cavity. Grip is also designed for compressing spring in position fixed relative to tubular part of body. There is retainer in inner part of tube. Locking mechanism is adapted for cooperation with retainer in operating position, said retainer having two positions: with retracted other part of tube upon cooperation of grip with main stop or with non-retracted other part of body upon cooperation of grip with additional stop.
|
FIELD: horticulture, in particular, horticultural tillage equipment.
SUBSTANCE: spade has flat blade provided with axial tail which is rigidly connected to shank bushing and shovel. Side parts of blade are made triangular. Bushing is made conical. Spade has faceplates which are contacting and rigidly connected to front part of bushing and central part of blade.
EFFECT: improved operating properties of spade.
3 cl, 2 dwg
The invention relates to gardening tools for tillage. Known for light shovel, consisting of a framework of the bayonet, blade-kraskoraspylitelja, spade and Cherenkova sleeve rigidly connected by welding (see log "modelist-Konstruktor" No. 9, 1997, p.11). This spade is adopted for the prototype.
Disadvantages:
1. The design complexity, large size and weight. When reducing the size of shovels decrease the center hole and the probability of dropping the cutting layer is reduced.
2. Large angle between the handle and the plane of the bayonet (20-25 degrees) makes it difficult to work on light soils one hands,
3. On most soils cut off the reservoir when lifting the shovel does not sink into the Central hole shovel.
4. When wet soil is sticking land developed on the surface of the shovel.
The aim of the invention is to improve the operational qualities of the shovel.
With this in mind, the shovel, consisting of a flat bayonet having an axial shank and rigidly connected to Cherenkova sleeve with a spade, the side parts of the bayonet is made triangular, the sleeve is made cone-shaped with a flattened wedge-shaped front part, put the pads in contact and rigidly connected on one side with a wedge-shaped part of the sleeve, and on the other hand, with the Central part of the bayonet.
New and distinctive features in comparison with the prototype are:
1) the sides of the bayonet made triangular.
2) the Sleeve is made cone-shaped with a flattened wedge-shaped front part.
3) Put the pads in contact and rigidly connected on one side with a wedge-shaped part of the sleeve, and on the other hand, with the Central part of the bayonet
4) the Rear edge of the bayonet perpendicular to the axis of the sleeve.
Figure 1 shows a General view of the shovel.
Figure 2 - top view.
Shovel consists of a flat bayonet 1 with an axial shank 2 and triangular side parts 3, 4, cone Cherenkov sleeve 5 with an overlap of 6 in the form of two lugs 7, 8, the two plates 9, 10, contact and rigidly connected with the Central part of the bayonet 1 and the wedge-shaped front part 11 of the sleeve 5.
When digging with a shovel to a maximum depth (the distance between the faces slightly greater than the width of the bayonet 1 sharp front edges 12, 13 of the bayonet 1 cut layer, shovel digs into the soil to the stops 7, 8 and rotates around them, and in light soil shovel moves forward and up, while the front edges 12, 13 of the bayonet 1 tear off the bed and he hangs on to the plane of the bayonet 1 and the sleeve 5 with the preservation of lateral communication with whole soil. Testing complex stress state of compression on the sleeve 5 and stretching, due to peripheral communication of the reservoir with soil formation starts mellow and collapse. On the bayonet 1 raised the shovel remains somewhat the compulsory part of the reservoir, due to the small area of the bayonet 1, the inclined front 12, 13 and the rounded rear 14, 15 edges bayonet 1 and cover plates 9, 10, facilitating the sliding of the reservoir with bayonet 1, and because of the small lateral dimension of the sleeve 5. Almost empty shovel is brought to a new place of slaughter. Bayonet 1 has a straight sharp front edges 12, 13, angled, and curved rear edges 14, 15, arranged perpendicularly to the axis of the sleeve 5. This form of bayonet 1 minimizes the length of the front tear-off seam front and rear, increases peripheral bond formation with solid ground. This reduces the force required for separation of the reservoir from the front, and when lifting shovels provides rapid destruction behind bayonet 1.
Constant angle between the front side edges 12, 13 of the bayonet 1 may be less than the total angle between the curved front edges of the prototype, it reduces the force of resistance of the soil to the introduction of spades.
The shape of the plates 9, 10 and bayonet 1 such that the shank 16, 17 plates 9, 10 width slightly less than the width of the shank 2 bayonet 1. Plates 9, 10 are rigidly connected with a bayonet 1, for example, by means of diffusion welding, soldering or using electronuclear. This allows the bayonet 1 run thin, which reduces the force of resistance to the deepening of the shovel into the soil.
The shanks 2, 16, 17 bayonet 1 and cover plates 9, 10 are copying the shape of the inner Boko the second surface of the front wedge portion 11 of the sleeve 5 and are installed with interference fits on its side surfaces.
A cutting sleeve 5 has a tapered shape, the front part 11 and flat and has klinovuyu form. These features reduce the resistance of the soil at deepening shovel for easier digging. In the front end of the sleeve 5 has two lateral cut (height equal to the sum of the thicknesses of the bayonet 1 and cover plates 9, 10) for deeper placement of the bayonet base 1 with the cover plates 9, 10. After installation details obvalivautsya around the perimeter of their contact and additional fixed by welding holes 18, 19 in the sides of the wedge part 11 of the sleeve 5. Small taper sleeve 5 provides a reliable mounting of the cutting, holes on the sleeve between the ledges 7, 8 are needed to facilitate cut end of the cutting in failure.
Bayonet 1 is made of high-carbon hardened steel plates 9, 10 and the sleeve 5 from low-carbon steel. Perhaps the use of and integral bayonet 1 variable thickness.
The lugs 7, 8 have a slight taper and the ends seamed. Round surface of the lugs 7, 8 provides reliable support during rotation of the spade for the separation of the reservoir and reliable support for the foot during the deepening of the spade. Taper lugs 7, 8 provides the inclination of the working surface, the direction of the efforts of the legs on the center of resistance of the soil. Small diameter outer ends of the lugs 7, 8 easy rolling.
The small thickness of the ends of the bayonet 1, small the goal between the front lateral sharp edges 12, 13 bayonet 1, the wedge shape of the front part 11 of the conical sleeve 5 reduce the force on the shovel when it is hollow in the ground. Small perimeter of the front tear-off seam front edges 12, 13 of the bayonet 1 facilitates this process with the digging. The minimum length of the line of contact of the rear edges 14, 15 of the bayonet 1 with the cut-off layer, the large perimeter of communications at the external contour cut seam with the soil, the small diameter of the conical sleeve 5 provide stable loosening and fracture formation at low altitude lifting shovels.
The small size of the shovel provides a little slush on the working surface of the soil at any humidity, and when the button is continuously self-cleaning shovels.
Light weight shovel, small efforts to deepen, separation of the reservoir and lifting shovels with a part of the layer on the bayonet 1, a simple process of digging all this facilitates and accelerates the process of digging, improves operational quality shovels.
1. Lightweight shovel, consisting of a flat bayonet, rigidly connected to Cherenkova the bushing and spade, characterized in that the side parts having an axial shank bayonet made triangular, and the sleeve - shaped, and the shovel has pads that are in contact and rigidly connected with the front part of the sleeve and with the Central part of the bayonet.
2. Lightweight shovel according to claim 1, characterized in that the front part of the sleeve is made of the Kli is obraznoi.
3. Lightweight shovel according to claim 1, characterized in that the bayonet has a rear edge that is perpendicular to the axis of the sleeve.
|
