Windshield wiper system having a wiper blade capable of retracti

Details Windshield wiper system having a wiper blade capable of retracti Windshield wiper system having a wiper blade capable of retracti

1995-05-17

1996-08-06

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

15250351, 1525023, B60S 132, B60S 136

Patent

active

055421458

ABSTRACT:
A windshield wiper system for automotive vehicles includes a rack and pinion arrangement in the wiper arm for causing movement of a wiper blade assembly relative to the wiper arm between an extended position of the wiper blade assembly and a retracted position of the wiper blade assembly. More specifically, the rack and pinion arrangement causes a link, which is attached to the wiper blade assembly, to swing such that the wiper blade moves between the extended position and the retracted position. The movement of the wiper blade assembly into the extended position increases the amount of the surface area of the windshield which is wiped. A planetary gear arrangement is driven by a standard wiper drive and selectively drives the rack and pinion arrangement to move the wiper blade assembly between the extended and retracted positions.

REFERENCES:
patent: 2784437 (1957-03-01), Haas
patent: 2790195 (1957-04-01), Wrobel
patent: 3247540 (1966-04-01), Howard et al.
patent: 4621389 (1986-11-01), Grare
patent: 4815159 (1989-03-01), Kuhbach
patent: 4918780 (1990-04-01), Scorsiroli
patent: 5119523 (1992-06-01), Unterborn
patent: 5181293 (1993-01-01), Baumgarten et al.

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