Portable, power driven punching machine having an aiming beam
US5630277A · kind A · utility
23Cited by
13References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 5, 1995 |
| Grant date | May 20, 1997 |
| Priority date | — |
| Expiry date | Jul 5, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/8864
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A machine having a hydraulic, single acting, spring return cylinder for moving a punch toward and away from a die in order to cut a hole in a steel frame member or the like. A laser is built into the machine for emitting an aiming beam from the punch. A hole can be punched exactly in position on the work by projecting the aiming beam to a preformed mark thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.