Lever operated punch with punch head adjustment arrangement
US5829334A · kind A · utility
26Cited by
11References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1997 |
| Grant date | Nov 3, 1998 |
| Priority date | — |
| Expiry date | Feb 19, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/8851
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hand-operated punch with adjustable assembly punch units and a slipper to receive punched out discs in which the assembly units are adjustable from the bottom through an opening in the slipper. The punch includes a strengthening flap configuration and the assembly units slide but do not turn during adjustment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.