1979-01-09
1981-05-12
Corbin, John K.
G02B 1700
Patent
active
042668565
ABSTRACT:
A motor vehicle rear view mirror is disclosed having a mirror glass which pivots automatically from a normal position to an anti-glare position in response to headlight glare. The glass is mounted between a front frame and a back plate of a two part housing and carries a magnetic member for co-operating with a solenoid coil of an electrical assembly. The electrical assembly is formed as a single unit mounted in the back plate and includes a photosensor receiving light through a partly silvered region of the mirror glass. A signal from the photosensor is amplified by one or more transistors to energize the solenoid coil. A pair of switch contacts is actuated when the mirror glass changes its position to the anti-glare position and is arranged to reduce current flow in the coil to a level just sufficient to hold the mirror glass in the anti-glare position. The rear of the mirror housing is coupled to a mounting arm by a ball and socket joint, the socket comprising an elongate bore having an inwardly tapering section to receive balls of various diameters. A locking member is secured in the bore in order to retain the ball in the bore.
REFERENCES:
patent: 3152216 (1964-10-01), Woodward
patent: 3612666 (1971-10-01), Rabinow
patent: 3680951 (1971-08-01), Jordon et al.
patent: 3846016 (1974-11-01), Firstenberg
Corbin John K.
DE LOS Reyes B. Wm.
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