Electrically remote-controlled mirror assembly

Details Electrically remote-controlled mirror assembly Electrically remote-controlled mirror assembly

1992-08-19

1994-08-30

Shafer, Ricky D.

Optical: systems and elements

Mirror

With support

359877, G02B 718, B60R 106

Patent

active

053433335

ABSTRACT:
An electrically remote-controlled mirror assembly having a pair of plungers driven by first and second motors for tilting the mirror about the horizontal and vertical axes, respectively, and for quick-rear-viewing, there is provided a mirror driving mechanism by which the mirror can be tilted further through a predetermined angle beyond the predetermined range of angulation for the normal car moving to an angular position suitable for viewing the rear wheel of the car and thereafter returned to its initial predetermined angular position. The mirror driving mechanism comprises a nut member which axially guides at least one of the plungers, a rotary member having a drive shaft slidable with respect to but blocked against pivoting relative to the plunger and which is intended to move the plunger forward and backward for the purpose of the quick-rear-viewing, and a third motor to rotate the rotary member, and an electrical control means responsive to the rotation of the rotary member to control the stopping and rotational direction of the third motor. The electrical control means is composed of an electrically conductive ball so disposed as to roll on a predetermined track, and two pairs of electric contacts, one of the pair being disposed at a first position corresponding to one end of the rolling track of the ball and the other pair being disposed at a second position corresponding to the other end of the rolling track.

REFERENCES:
patent: 2825768 (1958-03-01), Beck
patent: 4498738 (1985-02-01), Kumai
patent: 4632525 (1986-12-01), Hayashi et al.
patent: 4678295 (1987-07-01), Fisher
patent: 4915493 (1990-04-01), Fisher et al.

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