GB450662A - Improvements in paper-filing perforators - Google Patents
Improvements in paper-filing perforatorsInfo
- Publication number
- GB450662A GB450662A GB807836A GB807836A GB450662A GB 450662 A GB450662 A GB 450662A GB 807836 A GB807836 A GB 807836A GB 807836 A GB807836 A GB 807836A GB 450662 A GB450662 A GB 450662A
- Authority
- GB
- United Kingdom
- Prior art keywords
- paper
- shannon
- punches
- lever
- edge
- 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
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
- B26F1/36—Punching or perforating pliers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
450,662. Paper punches. SHANNON, Ltd., and SHANNON, E. F., Shannon Corner, New Malden, Surrey. March 18, 1936, No. 8078. [Class 31 (ii)] In a paper punch in which punches 7 cooperating with holes 12 are operated by a hand-lever 3, a gauge 18 for positioning the paper is provided and is held positively in adjusted position by a turned-up edge 29 of a plate 22 engaging notches 21 ; the edge 29 can be disengaged by depressing a button 24 against a spring 28. The hand-lever 3 is held in a balanced position by oppositely-acting springs 13, 14 and operates the punches by means of eccentrics 4 and eccentric straps 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB807836A GB450662A (en) | 1936-03-18 | 1936-03-18 | Improvements in paper-filing perforators |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB807836A GB450662A (en) | 1936-03-18 | 1936-03-18 | Improvements in paper-filing perforators |
Publications (1)
Publication Number | Publication Date |
---|---|
GB450662A true GB450662A (en) | 1936-07-22 |
Family
ID=9845341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB807836A Expired GB450662A (en) | 1936-03-18 | 1936-03-18 | Improvements in paper-filing perforators |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB450662A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2415539A (en) * | 1944-11-15 | 1947-02-11 | Wilson Jones Co | Punch |
EP1950014A1 (en) * | 2007-01-23 | 2008-07-30 | Erwin Müller GmbH | Hole puncher |
CN101664941B (en) * | 2008-07-08 | 2013-01-02 | 国誉株式会社 | Puncher |
-
1936
- 1936-03-18 GB GB807836A patent/GB450662A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2415539A (en) * | 1944-11-15 | 1947-02-11 | Wilson Jones Co | Punch |
EP1950014A1 (en) * | 2007-01-23 | 2008-07-30 | Erwin Müller GmbH | Hole puncher |
CN101664941B (en) * | 2008-07-08 | 2013-01-02 | 国誉株式会社 | Puncher |
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