Windscreen wiper device

Details Windscreen wiper device Windscreen wiper device

1984-12-21

1986-07-01

Feldman, Peter

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

74 70, B60S 122, B60S 124

Patent

active

045971293

ABSTRACT:
A windscreen wiper device comprises a drive crank 6 mounted fast on a drive shaft 7 of a drive motor, a connecting rod 5 pivotally mounted on said drive crank by means of a crank pin means, and a windscreen wiper blade support arm 2 connected to said connecting rod 5 so that rotation of said drive crank 6 by said drive motor rotating in a first direction sweeps said support arm 2 through a predetermined arc. Means is provided for displacing said crank pin means between a first position, which is proximal of said drive shaft 7, to a second position, distal of said drive shaft 7, and means for locking said crank pin means in said first or second position, said displacing means releasing said locking means and displacing said crank pin means from said first to said second position whereat it is locked by said locking means when said motor rotates in a direction opposite to said first direction, and releasing said locking means and displacing said crank pin means from said second position to said first position whereat it is locked by said locking means when said motor rotates in said first direction.

REFERENCES:
patent: 3716887 (1973-02-01), Bellware
patent: 4400844 (1983-08-01), Hayakawa

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