Optical: systems and elements – Mirror – Retractable vehicle mirror
Patent
1995-06-07
1997-01-14
Ullah, Akm E.
Optical: systems and elements
Mirror
Retractable vehicle mirror
359872, G02B 508
Patent
active
055945902
ABSTRACT:
A mirror-housing positioning device for a car rearview mirror includes a stationary member connected to a base provided in the rearview mirror, which is to be fixed to the body of a car, a rotary member held rotatably on the stationary member and connected to the mirror housing having a mirror unit of the rearview mirror assembled therein, a driving mechanism including a motor and a group of reversely rotatable gears and disposed between the stationary member and rotary member to rotate the rotary member, a mechanism provided between the rotary member and stationary member to block the rotary member from being rotated when the mirror housing is turned to any of predetermined positions, and a mechanism inhibiting the gear group from being rotated when the rotary member is blocked against rotation. The gear-group rotation inhibiting mechanism includes a first gear component forming a part of one gear in the gear group and having teeth meshed with an adjacent gear, a second gear component forming a part of the one gear in the gear group and having teeth meshed with another adjacent gear, and an elastic member which forces the first gear component to the second gear component. The first gear component has projections formed in an area thereof facing the second gear component, and the second gear component has formed therein circular concavities in which the projections of the first gear component are fitted. The elastic member maintains the projections fitted in the circular concavities.
REFERENCES:
patent: 3628862 (1971-12-01), Stephenson
patent: 4544871 (1985-10-01), Suzuki
patent: 4705368 (1987-11-01), Manzoni
patent: 4986646 (1991-01-01), Hamamoto et al.
patent: 5477392 (1995-12-01), Mochizuki et al.
Ichikoh Industries Ltd.
Ullah Akm E.
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