Die lifter unit for pressing or punching machine
US4317358A · kind A · utility
13Cited by
4References
10Claims
0Family size
Inventors
Key dates
| Filing date | May 15, 1980 |
| Grant date | Mar 2, 1982 |
| Priority date | — |
| Expiry date | May 15, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S100/918
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A die lifter unit comprises a rolled metal section of inverted open-topped rectangular shape which is floatably supported on heavy duty springs in a groove extending along the top surface of the bolster, the section carrying a roller for supporting the die.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.