Automatic protection of elevator mechanics
US6202797A · kind A · utility
36Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1999 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | Aug 26, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B5/0056
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A portable device worn by an elevator mechanic when in the pit of the hoistway or on top of a car will activate sensors disposed on the car so as to cause an emergency stop and warn the mechanic of the elevator's presence. The portable device may be disposed with some form of alarm beneath an emblem, or otherwise, on the uniform of a mechanic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.