Cable drive garage door opener
US6779306B2 · kind B2 · utility
8Cited by
13References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 17, 2001 |
| Grant date | Aug 24, 2004 |
| Priority date | — |
| Expiry date | Jan 11, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/106
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drive for doors, in particular garage doors, having door runners which are in each case arranged laterally and which are guided in fixed position rails, and having a drive unit having at least a motor and a driving gear. The drive unit has two rope pulleys arranged to oppositely rotate, with the two free ends of a respective rope being wound on each rope pulley. The rope ends cooperate with the door runners such that the door can be opened or closed via the rotational movement of the rope pulleys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.