Punching unit for punching apparatus
US5083490A · kind A · utility
1Cited by
6References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 25, 1989 |
| Grant date | Jan 28, 1992 |
| Priority date | — |
| Expiry date | Jul 25, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/8858
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a punching unit for punching apparatus having a punch removably mounted on the upper half side of a support section formed nearly in a channel-shape such that the punch will face a die mounted on the lower half side of the support section, and a lifting mechanism for vertically moving the punch, a flat force-cutting blade is attached at the bottom end of the punch rotatably mounted on the support section, and a lifting mechanism is provided in the support section to turn the punch through an angle of 90 degrees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.