Apparatus for controlling a load lifting element of a vehicle in response to the wearing of a motor brush
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United States of America Patent
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Jan 5, 1993
Grant Date -
N/A
app pub date -
Mar 27, 1991
filing date -
Mar 27, 1991
priority date (Note) -
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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.
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