Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1976-05-17
1978-01-24
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
403353, B60S 140
Patent
active
040695395
ABSTRACT:
A wiper device for automotive windshields, headlight glass and the like, comprising a wiper arm and blade combination. The wiper blade has two cylindrical projections receivable in a keyhole opening in the wiper arm. Each of the projections has a flange adapted to cooperate with an arcuate end portion of the opening, permitting the arm to swing between extreme positions and to yield when obstacles are encountered.
REFERENCES:
patent: 1804420 (1931-05-01), Kelley
patent: 1946073 (1934-02-01), Horton et al.
patent: 2324365 (1943-07-01), Coutts
patent: 2556839 (1951-06-01), Cretella
patent: 3576044 (1971-04-01), Besnard
Klingberg, deceased Olle Herbert
Valfridsson, administrator by Sven
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