GB566621A - Improvements in lever-and-punch type perforators for use for filing papers and the like - Google Patents
Improvements in lever-and-punch type perforators for use for filing papers and the likeInfo
- Publication number
- GB566621A GB566621A GB1477243A GB1477243A GB566621A GB 566621 A GB566621 A GB 566621A GB 1477243 A GB1477243 A GB 1477243A GB 1477243 A GB1477243 A GB 1477243A GB 566621 A GB566621 A GB 566621A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- filing papers
- punch
- punch type
- ball
- 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
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
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
566,621. Perforating - machines for paper. SETTEN, R. S., and JONES, E. E. Sept. 9, 1943, No. 14772. [Class 31 (ii)] In a lever-andpunch perforator for use in filing papers and the like, an anti-friction ball 14a is mounted in a cup 15 at the top of each punch 8, 9, 10, which are normally raised by springs, and are depressed two at a time by a lever 11 which can be moved so as to engage the punch 8 together with either of the punches 9, 10. The ball 14a may rest on another ball supported by the cup 15.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1477243A GB566621A (en) | 1943-09-09 | 1943-09-09 | Improvements in lever-and-punch type perforators for use for filing papers and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1477243A GB566621A (en) | 1943-09-09 | 1943-09-09 | Improvements in lever-and-punch type perforators for use for filing papers and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
GB566621A true GB566621A (en) | 1945-01-05 |
Family
ID=10047208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1477243A Expired GB566621A (en) | 1943-09-09 | 1943-09-09 | Improvements in lever-and-punch type perforators for use for filing papers and the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB566621A (en) |
-
1943
- 1943-09-09 GB GB1477243A patent/GB566621A/en not_active Expired
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