Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1988-11-03
1990-01-30
Stinson, Frankie L.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525029, B60S 110
Patent
active
048963950
ABSTRACT:
A wiper attachment is described that can be mounted to existing, conventional rearview mirrors. The attachment includes a cylinder having a piston shaft that is secured at the approximate center of an elongated yoke. A pair of "L"-shaped links are adjustably mounted to the yoke at equal distances from the piston shaft. The links include legs that extend backward, overlapping the mirror surface to mount a wiper blade and wiper blade mount in biased contact against the adjacent mirror surface. Adjustment mechanisms are provided to selectively urge the wiper blade against the mirror surface and to adapt the attachment for mirrors of different size and configuration. A control is provided to connect the cylinder to a source of air under pressure and to selectively operate the cylinder to extend and retract, thereby moving the wiper blade correspondingly across the mirror surface.
REFERENCES:
patent: 3685087 (1972-08-01), Pittman
patent: 3866258 (1975-02-01), DeGraw
patent: 3968537 (1976-07-01), Wagenhofer
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patent: 4307482 (1981-12-01), Palmer
patent: 4339169 (1982-07-01), Addison, Jr.
patent: 4455597 (1984-07-01), DeGideo
patent: 4459718 (1984-07-01), Hewitt et al.
patent: 4527301 (1985-07-01), Seitz
patent: 4763381 (1988-08-01), Williams
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