Image-taking apparatus

Details Image-taking apparatus Image-taking apparatus

2008-03-04

2008-03-04

Mahoney, Christopher (Department: 2862)

Photography

Single lens reflex camera

With mirror support or drive

Reexamination Certificate

active

11148873

ABSTRACT:
An image-taking apparatus is disclosed which has a mirror drive mechanism with a small number of constituent parts, easy assembly. The image-taking apparatus has a mirror movable to a first position in an optical path and to a second position outside the optical path, a first biasing member biasing the mirror from the second position to the first position, a second biasing member biasing the mirror from the first position to the second position, a holding member holding the first biasing member in a charged state, a first cam having a charge portion for charging the second biasing member and a release portion for releasing the charge of the second biasing member, a second cam releasing the holding by the holding member, and a motor driving both of the first and second cams only in one direction.

REFERENCES:
patent: 5349405 (1994-09-01), Itabashi et al.
patent: 01-134443 (1989-05-01), None
patent: 63-169632 (1998-07-01), None
patent: 2002-023221 (2002-01-01), None
patent: 2002-174850 (2002-06-01), None

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