GB604543A - An improved centering or like punch - Google Patents
An improved centering or like punchInfo
- Publication number
- GB604543A GB604543A GB3188545A GB3188545A GB604543A GB 604543 A GB604543 A GB 604543A GB 3188545 A GB3188545 A GB 3188545A GB 3188545 A GB3188545 A GB 3188545A GB 604543 A GB604543 A GB 604543A
- Authority
- GB
- United Kingdom
- Prior art keywords
- punch
- striker
- spring
- detent
- casing
- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D5/00—Centre punches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
604,543. Automatic centre punches. YOUNG, S. G. Nov. 26, 1945, No. 31885. [Classes 61 (ii) and 124] An automatic percussion punch for centre punching has detent means for holding the striker in position in which its associated compression spring is stressed and trigger means for releasing the detent enabling the spring-urged striker to impart a blow on the punch. The casing 1 has a fixed bush 2 against which are located a spring 13 coiled around the stem 12 of the striker 10 and a second spring 14 bearing on a bush 3 slidable in the end of the casing. The punch 7 is guided in a nose part 6 and has limited movement permitted by a flange 8 on the punch engaging a bore 9. The upper end of the casing is closed by a cap 18 provided with a trigger in the form of a press pin 21 and cone 22 adapted to disengage either of two pivoted spring-pressed detents 16, 17 from a groove 15 in the striker stem 12. Loading of the device is effected by applying pressure on the casing until the groove 15 reaches the position to be engaged by detent 16 or detent 17, one or other of which is held in inoperative position by a cam on the interior of the rotatable cone 22 according as a lighter or heavier blow is required ; the punch point is then accurately positioned and the striker released by pressure on the trigger 21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3188545A GB604543A (en) | 1945-11-26 | 1945-11-26 | An improved centering or like punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3188545A GB604543A (en) | 1945-11-26 | 1945-11-26 | An improved centering or like punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB604543A true GB604543A (en) | 1948-07-06 |
Family
ID=10329842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3188545A Expired GB604543A (en) | 1945-11-26 | 1945-11-26 | An improved centering or like punch |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB604543A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2124129A (en) * | 1982-07-10 | 1984-02-15 | David Alan Howes | A locating pin for a jig |
| CN114433912A (en) * | 2021-12-20 | 2022-05-06 | 江苏广坤铝业有限公司 | Punching auxiliary device for aluminum profile |
-
1945
- 1945-11-26 GB GB3188545A patent/GB604543A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2124129A (en) * | 1982-07-10 | 1984-02-15 | David Alan Howes | A locating pin for a jig |
| CN114433912A (en) * | 2021-12-20 | 2022-05-06 | 江苏广坤铝业有限公司 | Punching auxiliary device for aluminum profile |
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