Rear-vision mirror for autovehicles

Details Rear-vision mirror for autovehicles Rear-vision mirror for autovehicles

1988-01-28

1989-04-04

Corbin, John K.

350636, G02B 718

Patent

active

048180904

ABSTRACT:
The driving units (AX,AY) comprise each an electric motor (14) which by means of a mechanical transmission (16,15,17,18,21,20) drives a rack (13) arranged substantially at right angles with the mirror holder (1), which is articulatingly connected thereto (at 113) and is guided in the housing (3) for the mirror holder (1). A control device (25) is provided which allows to move the mirror holder (1) into the required position by having it angularly moved by means of the two electric motors (14) around the one and/or the other pivot axis (X--X, Y--Y), and which also allows to store one or more positions of the mirror holder (1) and to have the same automatically moved into one or the other of these stored positions by means of a selecting respective control and with the aid of detectors (24) of the angular position of the mirror holder (1) around each one of the two pivot axes (X--X, Y--Y). According to the invention, the detector of the angular position of the mirror holder (1) in relation to each pivot axis (X--X, Y--Y) is in form of a potentiometer (24) the actuation of which is derived from a member (20) of the drive between the electric motor (14) and the rack (13) associated with the respective pivot axis, the rack (13) being not disengageably connected to the member (20) for actuating the potentionmeter (24), while in the drive between the member (20) for actuating the potentiometer (24) and the respective electric motor (14) a friction coupling (21) is interposed.

REFERENCES:
patent: 4171873 (1979-10-01), Repay et al.
patent: 4202603 (1980-05-01), Miyauchi
patent: 4247172 (1981-01-01), Wunsch et al.
patent: 4504117 (1985-03-01), Mittelhauser
patent: 4678295 (1987-07-01), Fisher
patent: 4693571 (1987-09-01), Kimura et al.

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