Patent
1984-10-04
1986-09-09
Mathews, A. A.
354214, 354217, G03B 112, G03B 160
Patent
active
046105220
ABSTRACT:
A mode change-over device for a mode change-over device for a pre-winding type camera in which, after a loading of a film patrone in the camera and before the shooting, a pre-winding of the film is conducted to fully pre-wind the film on a spool and, when the pre-winding is finished, a mode retaining member is unlocked so as to release a mode change-over member thereby operating a mode change-over switch for a shooting mode, such as to allow an unwinding of the film in a frame-by-frame fashion for each shooting exposure, while the mode change-over member is charged by an opening of a back lid of the camera, the mode change-over device comprising; a counter adapted to operate in response to winding and rewinding of the camera; a retaining member for locking the mode retaining member when the back lid has been opened erroneously or accidentally; and a counter engaging member which prevents the retaining member from locking the mode change-over member when the counter is in the initial position, whereas, when the counter is in the counting position, operates the retaining member for making the retaining member lock the mode change-over member.
REFERENCES:
patent: 4342509 (1982-08-01), Wakabayashi et al.
patent: 4455074 (1984-06-01), Wong et al.
patent: 4504131 (1985-03-01), Kimura
patent: 4568164 (1986-02-01), Sahori
Asano Seiji
Hara Hiroshi
Ishiguro Minoru
Komori Masanoshin
Nishizawa Tetuo
Fuji Photo Film Co. , Ltd.
Mathews A. A.
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