Device for signaling the position of an elevator car in the case of passenger evacuation
US6538574B2 · kind B2 · utility
2Cited by
11References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 2001 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | May 5, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/24
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A device for signaling the position of an elevator car in the case of passenger evacuation includes a measurement circuit connected to a landing door safety chain of the elevator installation. The measurement circuit has at least one LED that indicates to a rescuer person the presence of the elevator car at a floor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.