Camera having cover mechanism of film chamber

Details Camera having cover mechanism of film chamber Camera having cover mechanism of film chamber

1998-02-06

1999-05-25

Gray, David M.

Photography

With film drive

Mechanical detail

396536, G03B 1724

Patent

active

059077298

ABSTRACT:
A camera includes a cover for opening and closing a film chamber, and a lock mechanism that is operable in a first and second modes in the first mode, the lock mechanism inhibits the cover from opening. In the second mode, the lock mechanism allows the cover to open. The first mode starts when the film spool is rotated in a winding direction and continues until the film spool is rotated in a rewinding direction. The second mode starts when the film spool is rotated in the rewinding direction continued until the film spool is rotated in the winding direction.

REFERENCES:
patent: 4240734 (1980-12-01), Nomura et al.
patent: 4374614 (1983-02-01), Kobayashi
patent: 4888114 (1989-12-01), Yamamoto et al.
patent: 5587757 (1996-12-01), Seamans et al.
patent: 5625432 (1997-04-01), Omi
patent: 5715495 (1998-02-01), Nishimura
patent: 5717971 (1998-02-01), Stiehler et al.
patent: 5727244 (1998-03-01), Kitazawa

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