Mirror operating arrangement of single lens reflex camera

Details Mirror operating arrangement of single lens reflex camera Mirror operating arrangement of single lens reflex camera

1975-04-09

1977-01-11

O'Conner, Edna M.

354152, G03B 1912

Patent

active

040030660

ABSTRACT:
A mirror operating arrangement for a single lens reflex camera in which during mirror operation the mirror rotation shaft moves from a viewing position to a shutter operating position is disclosed. In an individual mirror-up operation, the mirror is swung up without causing the mirror rotation shaft to be moved to the shutter operating position. Upon photographing operation, after the individual mirror-up operation, the mirror rotation shaft is moved to the shutter operating position. The shock of the mirror operating arrangement is decreased by the mirror being previously swung up in the individual mirror-up operation.

REFERENCES:
patent: 2352177 (1944-06-01), Bolsey
patent: 3532044 (1970-10-01), Shimomura
patent: 3698305 (1972-10-01), Alfredsson
patent: 3882523 (1975-06-01), Nno et al.

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