Elevator top of car safety
US7523809B2 · kind B2 · utility
10Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2004 |
| Grant date | Apr 28, 2009 |
| Priority date | — |
| Expiry date | Aug 11, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B11/0226
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator car (2) comprises a cover (14; 40) extending over at least a portion of the top surface of the car (24). The cover (14; 40) is mounted on a resilient support (28, 42). The car (2) further comprises means (32; 44) for detecting displacement of the cover corresponding to the weight of a person being applied to the cover. If such displacement is detected, normal operation of the car (2) is prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.