Elevator door friction belt drive including one or more markers
US10011463B2 · kind B2 · utility
1Cited by
32References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2013 |
| Grant date | Jul 3, 2018 |
| Priority date | — |
| Expiry date | Jan 1, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/146
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator system includes a linkage, a control system and a friction belt drive. The linkage is adapted to attach to an elevator door. The friction belt drive is adapted to move the elevator door with the linkage between an open position and a closed position. The friction belt drive includes a v-belt with one or more markers arranged along a length of the v-belt. The control system is adapted to control the friction belt drive, and includes a sensor adapted to detect at least one of the markers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.