Punch having changeable punching member
US6189220A · kind A · utility
4Cited by
10References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 1999 |
| Grant date | Feb 20, 2001 |
| Priority date | — |
| Expiry date | Oct 22, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26F1/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A punch includes a socket disposed on a plate, a barrel supported above the plate, a shaft slidably received in the barrel and a mold piece detachably secured to the shaft. One or more levers have one end pivotally secured to the barrel and have a middle portion coupled to the shaft for moving the shaft and the mold piece downward to actuate on the socket. The mold piece is detachably secured to the shaft with a threaded ferrule. The punch includes one or more mold pieces and sockets of various shapes which may be replaced with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.