Windshield wiper apparatus having a retraction facility

Details Windshield wiper apparatus having a retraction facility Windshield wiper apparatus having a retraction facility

1990-06-13

1993-05-11

Hornsby, Harvey C.

Machine element or mechanism

Elements

Cranks and wrist pins

74 42, 74600, 1525016, B60S 108, B60S 122, B60S 124, F16H 2140

Patent

active

052091406

ABSTRACT:
A windshield wiper apparatus having a facility for retraction of the wiper blade, including a cranked driving arm which carries a pivot pin on which an eccentric knuckle piece is rotatably mounted. A driven crank is articulated on the knuckle piece and the latter is provided with a ratchet which includes a finger and radial arm.
The knuckle piece is in two parts, comprising a member which carries the ratchet and a second member which is formed with a recess for receiving the radial arm of the ratchet.
The invention is especially applicable to automotive vehicles.

REFERENCES:
patent: 4400844 (1983-08-01), Hayakawa et al.
patent: 4494421 (1985-01-01), Matuoka
patent: 4686733 (1987-08-01), Sahara
patent: 4729144 (1988-03-01), Sahara et al.
patent: 4794818 (1989-01-01), Eustache et al.
patent: 4916774 (1990-04-01), Arlon et al.

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