B - Operations – Transporting – 60 – S
Patent
B - Operations, Transporting
60
S
342/29.31
B60S 1/08 (2006.01)
Patent
CA 1191236
MOTOR REVERSING CIRCUIT FOR VEHICLE WINDSHIELD WIPER Abstract of the Disclosure A motor reversing control circuit for a motor vehicle windshield wiper has a motor driven cam with a first lobe defining a park position for the wiper and a second lobe defining, in relation to the first, a wipe angle. A park switch is actuated by either lobe to reverse the output of a flip-flop which controls motor direction. The motor is activated in response to one or more of (a) a main switch, (b) the unactuated park switch and (c) the flip-flop output signalling wiper movement toward the park position. An optional timer effective to delay the motor activation in response to the main switch provides a pause in the park position.
408042
Cook Keith R.
Graham Donald E.
Pozenel John E.
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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