Patent
1981-06-21
1985-03-12
Evans, F. L.
G02B 508, B60R 106
Patent
active
045041164
ABSTRACT:
A rearview mirror positionable by remote control including a housing having a mirror that is held in an open side thereof and that is moveable to desired viewing positions. A plurality of mirror positioning rods displaceable longitudinally relative to the housing have their respective ends connected pivotally with the back of a plate that supports the mirror. Electric motors inside the housing are connected through a compact arrangement of speed reducing gears to drive transmission pinions for displacing each rod and for retaining the rod in adjusted position. Each pinion has a peripheral series of undulations held normally in meshed engagement with a series of undulations along a side of each rod to provide for displacement of the rod upon rotation of the pinion. Each rod and its respective pinion are biased together but will ride over one another under a force exceeding a normal driving force in either longitudinal direction of the rod to thereby avoid damage to the components of the rearview mirror should the mirror be manipulated externally or when a positioning rod is at its limit of travel in either longitudinal direction.
REFERENCES:
patent: 3576359 (1971-04-01), Cosh
patent: 4056253 (1977-11-01), Repay et al.
patent: 4094591 (1978-06-01), Lafont
patent: 4158483 (1979-06-01), Fisher
patent: 4362362 (1982-12-01), Usami et al.
Evans F. L.
Johnston Albert C.
Parker-Hannifin Corporation
Winter Gene S.
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