Elevator brake load weighing system
US6483047B1 · kind B1 · utility
10Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2000 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | Nov 14, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G19/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Load cells 35, 56 on antirotation dowel pins 28a or load mounts 49 indicate brake reaction forces in the disk brake 8, 8a of an elevator. Vertical load cells 72, 73 on bending load cell 80 indicate vertical brake reaction loads on a rail 60. A table indicating the load of an empty car at each of the landings served by the car permits subtracting load components relating to ropes, chains and cables to provide a live load indication prior to brake release; this may be used to determine if the load exceeds the maximum permissible load for the car.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.