Slide operation control device for a press
US5285721A · kind A · utility
5Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1993 |
| Grant date | Feb 15, 1994 |
| Priority date | — |
| Expiry date | Mar 10, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16P3/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention is to provide a fail-safe slide operation control device for a press of simple structure when the electronic circuit by fail-safe signal processing as a circuit for monitoring overrun and confirming the OFF condition of an operation button, which is important function to control the slide, is used instead of a contact circuit composed of relays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.