Apparatus for controlling a load lifting element of a vehicle in response to the wearing of a motor brush
US5177419A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1991 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Mar 27, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus for controlling a load lifting implement of a work vehicle in response to the condition of a motor brush is provided. The vehicle has a frame and the load lifting implement is connected to the frame and elevationally moveable relative to the frame between first and second directions. A brush wear indicator senses the wear of the motor brush and produces a warning signal in response to a predetermined amount of wear of the motor brush. A control system receives the warning signal and responsively controllably inhibits the elevational movement of the load lifting implement in at least one of the first and second directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.