Method and circuit for controlling the speed of an object moveable by a drive
US4987546A · kind A · utility
2Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1989 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Jun 30, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26D5/32
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for controlling the speed of an object which is moveable by a drive and is intended to have reached a predetermined speed after the occurrence of a release signal at a predetermined location. Also a circuit for performing this method including a permanently running drive, an object to be driven, releasable clutch-brake unit between the drive and object and a position sensor. The clutch-brake unit is being brought into clutch or brake engagement depending on a release signal from the position sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.