1989-08-02
1990-07-31
Gellner, Michael L.
354174, 354217, 354219, 354275, 354288, G03B 112, G03B 166, G03B 1302, G03B 1726
Patent
active
049453696
ABSTRACT:
A film magazine for underwater cameras includes an outer housing attachable to an underwater camera. A seal is provided which seals the junction of the camera and film magazine. A pair of extended capacity film cannisters are supported within a film housing which in turn is received within the outer housing. A drive motor is operative upon the take-up film cannister and is controlled by a pivotal sensing lever which responds to film slack during the film transport operation of the camera.
REFERENCES:
patent: 3748986 (1973-07-01), Kimura et al.
Ekstrand Roy A.
Gellner Michael L.
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