Photography – Disposable or recyclable camera
Patent
1995-12-08
1997-05-06
Blankenship, Howard B.
Photography
Disposable or recyclable camera
396411, G03B 100
Patent
active
056280327
ABSTRACT:
A photographic camera (426) is disclosed which may include an external housing (428, 478) having a movable closure (484) giving access to a film guide track (566) within the camera, the guide track extending between an unexposed film chamber (562) and an exposed film chamber (564), a rotatable sprocket (530) for driving film along the guide track, and a driven gear (508) operatively connected to rotate the sprocket. The camera is characterized by a coupling (476) accessible externally of the housing and operatively connected to the driven gear, the driven gear and the coupling being mounted for axial movement in the housing; an anti-backup gear (514) mounted for rotation and axial movement with the driven gear; and a device (516-525) for preventing reverse rotation of the driven gear in a first axial position of the coupling and for allowing rotation of the driven gear in either direction in a second axial position of the coupling.
REFERENCES:
patent: 2732754 (1956-01-01), Foster et al.
patent: 3424072 (1969-01-01), Hodgson et al.
patent: 4306794 (1981-12-01), Fukahori et al.
patent: 4379629 (1983-04-01), Daitoku
patent: 4884087 (1989-11-01), Mochida et al.
patent: 5148198 (1992-09-01), Shiba
Blankenship Howard B.
Eastman Kodak Company
Snee, III Charles E.
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