Camera with motorized drive source

Details Camera with motorized drive source Camera with motorized drive source

1993-11-04

1995-04-18

Perkey, W. B.

354152, G03B 1336, G03B 1902

Patent

active

054082900

ABSTRACT:
A camera includes a movable mirror arranged to be movable between a finder-viewing position and an exposure-retracted position, a spring member for applying to the movable mirror a force which causes the movable mirror to move from the finder-viewing position to the exposure-retracted position, and a movement mechanism for causing the movable mirror to move. The movement mechanism is provided with a cam member arranged to be rotated by a drive source and a cam follower arranged in abutment with the cam member. During rotation of the cam follower in a first direction, the movement mechanism causes the movable mirror to move toward the exposure-retracted position by means of the urging force of the spring member and, during rotation of the cam follower in a second direction, causes the movable mirror to move toward the finder-viewing position against the urging force of the spring member.

REFERENCES:
patent: 4331402 (1982-05-01), Nihei
patent: 4545667 (1985-08-01), Niwa et al.
patent: 4679925 (1987-07-01), Kawamura et al.
patent: 4864336 (1989-09-01), Fukahori et al.
patent: 5012267 (1991-04-01), Higashihara
patent: 5070349 (1991-12-01), Haraguchi et al.
patent: 5130740 (1992-07-01), Suda et al.

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