Multiple punching press
US5144872A · kind A · utility
15Cited by
12References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Jul 29, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/8759
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A multiple punching press includes a supporting framework having a die block with a plurality of slug holes. A movable punch holder moves relative to the die block and includes a plurality of punch pins that are movable within the movable punch holder between a first limit position where the punch pin is able to pierce the workpiece and a second limit position where the punch pin is unable to pierce the workpiece. Each punch pin includes a position setting mechanism that includes an actuator and cam to move the punch pins against the biasing force of a spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.