Supports – Pipe or cable – Extending through plate
Patent
1989-10-03
1990-05-15
Arnold, Bruce Y.
Supports
Pipe or cable
Extending through plate
350632, 248477, G02B 508
Patent
active
049252895
ABSTRACT:
A remote-controlled rear-view mirror assembly is movably supported in a housing and can be adjusted by an electric motor from a remote point. An electric motor is mounted in the mirror housing and has an electrically reversibly direction of rotation and stepdown gearing. The drive shaft is connected to a crank. A pin connected to the crank executes circular motion about the centerline axis of the drive shaft when the motor is activated. The pin slides in an endless groove cut in the face of a spherically shaped cam. The spherically shaped cam and mirror are rigidly attached at opposite ends of a common shaft. The common shaft has a spherical ball located at a point between the two ends. The spherical ball moves within a spherical cup which is attached to the mirror housing. The movement of the pin in the groove causes the mirror to pivot about the center of the spherical ball joint, giving the mirror its necessary range of motion. Extraneous rotational motion of the mirror about the centerline axis of the common shaft is prevented by use of an anti-rotation tag and tag rest.
REFERENCES:
patent: 3565515 (1971-02-01), Mey
patent: 3628862 (1971-12-01), Stephenson
patent: 3711179 (1973-01-01), Takeda
patent: 4474428 (1984-10-01), Wunsch
patent: 4540252 (1985-09-01), Hayashi et al.
Cleghorn Charles H.
Cleghorn William L.
Arnold Bruce Y.
Shafer R. D.
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