Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1986-03-28
1987-08-11
Feldman, Peter
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525019, B60S 102
Patent
active
046851682
ABSTRACT:
The invention concerns a system for keeping windshield wiper blades free of ice or snow accumulation. A rectangular strip of transparent material is either affixed to or formed integrally with the windshield to extend outwardly from the surface thereof for a distance of 1/16". The strip is about the same length as the wiper blade and one inch wide. It is positioned with the longitudinal edges parallel to and the lower edge spaced 2" from the rest position of the wiper blade, whereby the blade wipes over both longitudinal edges of the strip in each direction on every cycle of reciprocating blade movement. The dimensions of 1/16" in thickness, 1" in width, and 2" spacing from the blade have been found to provide superior results in optimum blade cleaning with minimal wear on the blade edges, and are therefore considered critical dimensions.
REFERENCES:
patent: 1732417 (1929-10-01), Pritchard
patent: 2974340 (1961-03-01), Kopczynski
patent: 3613318 (1971-10-01), Gianatasio
patent: 4378484 (1983-03-01), Kunert
Feldman Peter
McGuire Charles S.
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