GB1363955A - Machine for grinding shears - Google Patents
Machine for grinding shearsInfo
- Publication number
- GB1363955A GB1363955A GB1578372A GB1578372A GB1363955A GB 1363955 A GB1363955 A GB 1363955A GB 1578372 A GB1578372 A GB 1578372A GB 1578372 A GB1578372 A GB 1578372A GB 1363955 A GB1363955 A GB 1363955A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blade
- tracks
- carriage
- grinding
- shears
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
- B24B3/52—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of shear blades or scissors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
1363955 Grinding D G BRAY 3 April 1973 [5 April 1972] 15783/72 Heading B3D A machine for grinding shears, such as garden. shears, large scissors, metal cutting shears and the like, comprises means 22 for holding a blade B to be ground in a generally stationary position, and means for supporting a rotatable grinding wheel 18 so that it can travel over. the blade along a path which follows the curvature of the blade. The machine has a chassis 1 having side walls 1b, 1c on which are secured cylindrical tracks 2a, 2b, the track 2a being inclined downwardly from the rear wall 1d of the chassis to the front, and the track 2b being inclined downwardly from the front to the rear wall 1d, the tracks being slightly curved and the front end of both tracks being at the same height. The tracks are engaged by the wheels 4 of a carriage 3 and a rod 5 extends from the carriage and passes through a universal bearing in the rear wall 1d. A pair of pillars 8 are mounted on the carriage and slidably receive a bush 9 which can be clamped in position by a screw 9a and is secured to a bracket 14 between the arms of which is mounted, with slight tiltable adjustment, a plate 7 carrying an electric motor 16. A shaft 17 of the motor extends through a slot 3b in the carriage 3 and carries the cup-shaped grinding wheel 18 in a guard 19. Movement of the bush 9 along the pillars 8 by a control knob 13 adjusts the peripheral edge 18a heightwise relative to the blade, and the degree of hollow grinding of the blade is determined by the amount of tilt of the plate 7. The blade B is held in a jig 21 having a support 23 provided with a guide 23a for the non-cutting edge of the blade. A clamp 22 grips the blade near its shank and consists of a pair of jaws 22a, 22b in arms 24 which can be moved about pivots 24a by screws 25. The clamp is frictionally mounted on a horizontal spigot and can be tilted from side-to-side by a handle 27, and the spigot is mounted in a block 28 pivotally mounted on a support 28b. The end of the spigot has a slot 29 engaged by a cam 30 on a rod 31 rotatable by a hand lever 32 to effect longitudinal tilting of the blade. The blade can therefore be tilted about longitudinal and transverse noses, and as the carriage moves, the wheel 18 hollow grinds the blades and, because of the inclination of the tracks, follows the longitudinal curvature and the twist or set of the blade.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1578372A GB1363955A (en) | 1973-04-03 | 1973-04-03 | Machine for grinding shears |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1578372A GB1363955A (en) | 1973-04-03 | 1973-04-03 | Machine for grinding shears |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1363955A true GB1363955A (en) | 1974-08-21 |
Family
ID=10065390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1578372A Expired GB1363955A (en) | 1973-04-03 | 1973-04-03 | Machine for grinding shears |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1363955A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2014411A1 (en) | 2007-07-10 | 2009-01-14 | Société Deguy-Conge | Grinding machine |
CN108081125A (en) * | 2017-11-08 | 2018-05-29 | 周玉龙 | A kind of hardware tool surface sander easy to use |
CN114434278A (en) * | 2021-12-31 | 2022-05-06 | 柯月娇 | Single-face polishing and derusting equipment for steel plate processing |
CN115502791A (en) * | 2022-10-31 | 2022-12-23 | 武钢集团昆明钢铁股份有限公司 | Grinding and repairing equipment and method for scissor blade |
-
1973
- 1973-04-03 GB GB1578372A patent/GB1363955A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2014411A1 (en) | 2007-07-10 | 2009-01-14 | Société Deguy-Conge | Grinding machine |
CN108081125A (en) * | 2017-11-08 | 2018-05-29 | 周玉龙 | A kind of hardware tool surface sander easy to use |
CN108081125B (en) * | 2017-11-08 | 2019-05-17 | 江山市恒生实业有限公司 | A kind of hardware tool surface sander convenient to use |
CN114434278A (en) * | 2021-12-31 | 2022-05-06 | 柯月娇 | Single-face polishing and derusting equipment for steel plate processing |
CN115502791A (en) * | 2022-10-31 | 2022-12-23 | 武钢集团昆明钢铁股份有限公司 | Grinding and repairing equipment and method for scissor blade |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19930402 |