Wiper assembly attachment mechanism

Details Wiper assembly attachment mechanism Wiper assembly attachment mechanism

1997-01-23

1998-05-26

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

15250352, 403322, B60S 132

Patent

active

057550050

ABSTRACT:
A windshield wiper attachment mechanism including a drive shaft having a plurality of shaft key-ways formed into a shaft end thereof; at least one locking bar ledge provided on the drive shaft; a wiper holding arm including a shaft receiving cavity having a like plurality of companionate wiper key-ways provided along the interior circumferential surface thereof defining the shaft receiving cavity; and at least one locking bar moveably attached to the wiper holding arm and resiliently biased in a manner such that the locking bar is resiliently positioned into locking contact with the locking bar ledge when the shaft end of the drive shaft positioned within the shaft receiving cavity of the wiper holding arm.

REFERENCES:
patent: 490709 (1893-01-01), Froehlich
patent: 2420060 (1947-05-01), Adams
patent: 2507511 (1950-05-01), Freidag et al.
patent: 2688173 (1954-09-01), Van Peet
patent: 2896287 (1959-07-01), Stultz
patent: 3041093 (1962-06-01), Bonfiglio
patent: 3058143 (1962-10-01), Bock et al.
patent: 4027354 (1977-06-01), Burpee
patent: 4529242 (1985-07-01), Watanabe et al.
patent: 4958405 (1990-09-01), Kuhbauch
patent: 5274876 (1994-01-01), Wehrspann

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