Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1995-05-17
1997-03-04
Graham, Gary K.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525023, 1525032, 1525019, 15250351, 74 42, 74567, B60S 136, B60S 132
Patent
active
056067640
ABSTRACT:
A windshield wiper system for automotive vehicles includes a mechanism for causing a wiper blade assembly to swing, relative to the wiper arm, between an extended position of the wiper blade assembly and a retracted position of the wiper blade assembly. More specifically, the mechanism causes a link, which is attached to the wiper blade assembly, to swing as the wiper arm moves into and out of the hidden park position. A first embodiment includes a "four-bar linkage" which transfers to oscillatory movement of a drive arm of a wiper system to pivotal movement of the link over a limited range of motion of the drive arm corresponding to movement of the wiper blade assembly into and out of the hidden park position. A second embodiment includes a cam element which selectively engages a fixed pin over a range of motion of the drive arm corresponding to movement of the wiper blade assembly into and out of the hidden park position.
REFERENCES:
patent: 2356424 (1944-08-01), Paton
patent: 3247540 (1966-04-01), Howard et al.
patent: 4512056 (1985-04-01), Wattier
patent: 4716612 (1988-01-01), D'Alba
patent: 4791696 (1988-12-01), Durtnal
patent: 5119523 (1992-06-01), Unterborn
patent: 5181293 (1993-01-01), Baumgarten et al.
Buchanan, Jr. Harry C.
McClain Michael J.
Zhou Peter S.
Graham Gary K.
ITT Automotive Electrical Systems Inc.
Lewis J. Gordon
Twomey Thomas N.
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