Optical: systems and elements – Mirror – Retractable vehicle mirror
Patent
1990-08-14
1992-05-05
Arnold, Bruce Y.
Optical: systems and elements
Mirror
Retractable vehicle mirror
359843, 359877, 359881, 359548, 359900, G02B 718
Patent
active
051113414
ABSTRACT:
A relatively simple device for turning a mirror on a truck or other automotive vehicle includes a pivot for rotatably supporting one end of the mirror, and a casing on the other end of the mirror. The casing contains a reversible motor and gearbox combination for rotating a threaded shaft, which carries a threaded block. Rotation of the shaft causes movement of the block to rotate an arm connected to the other end of the mirror. A pair of microswitches located in the path of travel of the block limit movement of the block and consequently rotation of the mirror beyond predetermined limits.
REFERENCES:
patent: 3492065 (1970-01-01), Kurz, Jr.
patent: 3537778 (1970-11-01), Kurz, Jr.
patent: 4456333 (1984-06-01), Hewitt
patent: 4787726 (1988-11-01), Hendricks
patent: 4834522 (1989-05-01), Janowicz
patent: 4955704 (1990-09-01), Janowicz
Arnold Bruce Y.
Dunsmuir George H.
Ryan J. P.
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