The present invention relates to a wiper motor drive system that includes a motor, an output shaft operatively connected to a wiper blade, and a breakaway clutch operatively connected between the motor and output shaft. The breakaway clutch includes a torque-sensitive releasable locking mechanism having a first position wherein torque is translated from the motor to the output shaft through the breakaway clutch to drive the wiper blade across a surface to be wiped, and a second position wherein torque is interrupted between the motor and the output shaft in response to a predetermined rotational torque differential acting on the output shaft, with the locking mechanism being movable back to the first position when the differential torque is reduced on the output shaft.
Wiper motor drive system having breakaway clutch
2017-03-28
Patent
Elektronische Ressource
Englisch
IPC: | B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen |
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