GB230945A - An improved machine for sharpening razor blades - Google Patents
An improved machine for sharpening razor bladesInfo
- Publication number
- GB230945A GB230945A GB30624A GB30624A GB230945A GB 230945 A GB230945 A GB 230945A GB 30624 A GB30624 A GB 30624A GB 30624 A GB30624 A GB 30624A GB 230945 A GB230945 A GB 230945A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blade
- frame
- spring
- thimble
- bar
- 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
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
- B24D15/06—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
- B24D15/08—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors
- B24D15/085—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors with reciprocating whetstones
- B24D15/087—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors with reciprocating whetstones having a crank handle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
230,945. Percy, W. G. Jan. 4, 1924. Stropping-apparatus; hones.-A safety-razor blade is sharpened by two rollers 2 composed of stropping-material and having therein helical grooves 25 charged with a honing-material. The rollers are mounted in a frame 1 and are driven through gearing 3, 4, 4<a>, 5 by a handle 6, a ratchet device 8, 9 being provided to prevent rotation in the wrong direction. The blade 11 is mounted in a holder carried by a frame 13 pivoted at 14 to the frame 1 and normally lifted by a spring. The holder comprises a plate 16 pivoted in the frame 13 by pins 16<a> and having weights or projections 18 at its ends, and the blade is mounted with the holes therein fitting over studs 17 on the plate. The blade is held in position by a bar 19, which is secured to the studs 17 by a bent leaf spring 20 mounted on a pin 21 fixed on the bar and adapted to be depressed, so that its ends engage in notches 22 in the studs, by a thimble 23 rotatable on the pin 21 and held in the locking position by a head 24 on the pin. To release the bar. the thimble is turned so that a slot 23a therein registers with the head 24. In operation the blade is pressed down on the rollers by depression of the frame 13, which is held down by a spring catch; thimble 23 is upwards during the sharpening of one side of the blade edges. The catch is then released and the frame 13 rises, the weights 18 causing rotation of the blade-holder so that the next sharpening operation is upon the other sides of the blade edges. In a modified construction, the spring 20 is arc-shaped and the thimble 23 has on its underside a cam-shaped groove receiving the middle part of the spring; the thimble is rotated to force the spring towards the locking bar 19.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB30624A GB230945A (en) | 1924-01-04 | 1924-01-04 | An improved machine for sharpening razor blades |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB30624A GB230945A (en) | 1924-01-04 | 1924-01-04 | An improved machine for sharpening razor blades |
Publications (1)
Publication Number | Publication Date |
---|---|
GB230945A true GB230945A (en) | 1925-03-26 |
Family
ID=9702047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30624A Expired GB230945A (en) | 1924-01-04 | 1924-01-04 | An improved machine for sharpening razor blades |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB230945A (en) |
-
1924
- 1924-01-04 GB GB30624A patent/GB230945A/en not_active Expired
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