Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1990-12-21
1993-01-19
Coe, Philip R.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
74 42, 74 70, 74600, 1525016, B60S 106
Patent
active
051797607
ABSTRACT:
An apparatus for changing the wiping range of a wiper enables the wiping range to be changed easily but without involving the risk of unwanted changes. The motor caused movement of the drive link is converted into a movement of the drive link for causing a reciprocating oscillation of wiper arms by first and second links which are each swingably supported, the second link being swingable realtive to the first link in such a manner that the stop position of the wiper arms can be varied. An auxiliary link provided on the first link is swingable while following the relative swinging of the second link and being integrated therewith, with the swinging radius of the auxiliary link being smaller than the relative swinging radius of the second link. A spring is supported by two relatively displaceable points of support that are on a link arm of the auxiliary link and on the second link whereby the spring exerts resilient force under which the second link swings to the appropriate one of a plurality of second link positions.
REFERENCES:
patent: 2910556 (1959-10-01), Kuykendall
patent: 4088035 (1978-05-01), Bodem
patent: 4597129 (1986-07-01), Eustache et al.
patent: 4765018 (1988-08-01), Buchanan, Jr.
patent: 4787114 (1988-11-01), Okudaira
patent: 4878398 (1989-11-01), Heinrich
patent: 4924726 (1990-05-01), Rogakos et al.
patent: 4947507 (1990-08-01), Naiki
patent: 5031265 (1991-07-01), Nakatsukasa et al.
Coe Philip R.
Graham Gary K.
Mitsuba Electric Manufacturing Co. Ltd.
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