B - Operations – Transporting – 60 – S
Patent
B - Operations, Transporting
60
S
342/29.31
B60S 1/08 (2006.01) B60S 1/48 (2006.01)
Patent
CA 1314606
C-4004 WINDSHIELD WASHER/WIPER APPARATUS Abstract of the Disclosure In a vehicle windshield washer and wiper apparatus, the closure of a washer switch activates the washer and wiper and charges a capacitor to a first voltage. When the washer switch is released, the washer is deactivated but the wiper is activated through several more wipe cycles while the capacitor is discharging to a second voltage. The final wipe cycle and wiper parking is to be controlled by a wiper position responsive switch which is closed throughout the wipe pattern except for a predetermined angle, the beginning of which defines a desired park position. The improvement of the invention establishes the major discharge path for the capacitor through the wiper position responsive switch to greatly decrease the chance of the capacitor reaching the second voltage while the wiper position responsive switch is open and thereby more consistently park the wiper under the control of the wiper responsive switch in the desired park position.
575404
Gowling Lafleur Henderson Llp
Itt Automotive Electrical Systems Inc.
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