Windshield wiper driving device

Details Windshield wiper driving device Windshield wiper driving device

1982-03-22

1985-01-22

Dorner, Kenneth J.

Machine element or mechanism

Elements

Cranks and wrist pins

1525017, B60S 108

Patent

active

044944217

ABSTRACT:
A link rod for driving wiper blades is coupled to and driven by a crank arm by means of an eccentric bush, so that an effective length of the link rod can be changed. A stopper portion is provided on the link rod for maintaining, during a normal operation, the eccentric bush in such a position where the effective length is smallest. A driving mechanism including three gears meshing with each other drives the eccentric bush when a wiping operation should be stopped so that the eccentric bush is rotated and placed at a position where the effective length of the link rod becomes largest, whereby the wiper blades are held in concealed positions during the blades are out of operation.

REFERENCES:
patent: 2739681 (1956-03-01), Bowers et al.
patent: 3115599 (1963-12-01), Ziegler
patent: 3665772 (1972-05-01), Beard et al.
patent: 3717048 (1973-02-01), Carpenter
patent: 3800624 (1974-04-01), Klement et al.
patent: 4400844 (1983-08-01), Hayakawa et al.

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