Shock absorbing apparatus for a mirror in an SLR camera

Details Shock absorbing apparatus for a mirror in an SLR camera Shock absorbing apparatus for a mirror in an SLR camera

1996-02-26

1997-02-25

Metjahic, Safet

Photography

Single lens reflex camera

With mirror support or drive

G03B 1912

Patent

active

056063806

ABSTRACT:
A shock absorbing apparatus for a mirror in a single lens reflex camera includes a mirror drive mechanism which moves the mirror, normally located within a photographing optical path, out of the photographing optical path immediately before the photographing operation. A damper damps shock caused when the mirror is moved by the mirror drive mechanism. The damper includes a cylinder, a piston which is moved in the cylinder and which is connected to the mirror, a valve mechanism which opens and closes a flow passage in accordance with the movement of the piston, and an adjusting device which adjusts a surface area of the flow passage.

REFERENCES:
patent: 3837441 (1974-09-01), Uno et al.
patent: 3882523 (1975-05-01), Uno et al.
patent: 3913117 (1975-10-01), Endo et al.
patent: 4264170 (1981-04-01), Kurei
patent: 4385820 (1983-05-01), Shono
patent: 5257052 (1993-10-01), Kurosaki et al.
patent: 5294952 (1994-03-01), Misawa

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