Punching machine with spring-supported work support
US7757535B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 17, 2008 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Dec 17, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D28/34
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A punching machine is provided with a tool holder for a punching tool and a die having a cutting edge which can be passed by the punching tool in a machining stroke direction and a return stroke direction. The machine includes at least one work support, supported by at least one spring element. The work support is arranged in the region of the die, and the spring force of the spring element is adjustable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.