Double bladed windshield wiper and drive arm conector therefor

Details Double bladed windshield wiper and drive arm conector therefor Double bladed windshield wiper and drive arm conector therefor

1994-08-05

1995-07-25

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525041, 1525046, 15250201, B60S 140, B60S 128

Patent

active

054350417

ABSTRACT:
A double-blade wind shield wiper, the blade assembly of which comprising a frame assembly for holding two parallel wiper blades. The frame assembly includes a main frame at the middle, two end frames at two opposite ends and two intermediate frames set therebetween which are respectively connected into shape by conning pins and spring plates. The frame assembly has vent holes and bevel strips for guiding air stream to force wiper blades to firmly attach to wind shield glass. An adapter is fastened in frame assembly to match with a connector for connecting the blade assembly to either type of wiper drive arm.

REFERENCES:
patent: 3018500 (1962-01-01), Anderson
patent: 3588942 (1971-06-01), Schlesinger
patent: 3922749 (1975-12-01), Castleman, Jr. et al.
patent: 4057869 (1977-11-01), Longman et al.
patent: 4180885 (1980-01-01), Thornton et al.
patent: 4195382 (1980-04-01), Macpherson
patent: 4339839 (1982-07-01), Knights
patent: 4628565 (1986-12-01), Wolters
patent: 4649591 (1987-03-01), Guerard

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