Drive for closing devices with variable speed output
US6859004B2 · kind B2 · utility
10Cited by
20References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 2, 2003 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Sep 2, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/45242
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention concerns a drive for closing devices, for example gates or shutters, with variable speed output drive and a device for detecting a given position of the closing device. According to the invention, the drive speed output depends on the position of the gate and can be controlled depending on the given mechanical closing characteristic of the closing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.