Adjustable punch head
US4375774A · kind A · utility
40Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1981 |
| Grant date | Mar 8, 1983 |
| Priority date | — |
| Expiry date | Aug 21, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9486
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A punch assembly having a punch head adjustably connected to a punch drive. By manipulation of this adjustment and by measuring only the length of the punch unit from the punch head to the tip of the punch tip, the operator may guarantee that when the punch unit is placed within a punch guide in a nonpunching position, the punch tip will be properly recessed within the punch guide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.