Camera film winding system

Details Camera film winding system Camera film winding system

1996-02-15

1997-05-27

Metjahic, Safet

Photography

With film drive

Film movement limiting means

396412, G03B 100

Patent

active

056341601

ABSTRACT:
A film winding system for a disposable camera. The system includes a spring coupled to rotate a film spool through a spool gear, a sprocket engaged with holes in the film, a cam on a common axis with the sprocket, and a mechanism for engaging the spool drive gears to stop the rotation of the spool after the film has advanced one frame.

REFERENCES:
patent: 2169548 (1939-08-01), Zapp
patent: 3036507 (1962-05-01), Losseu
patent: 3232196 (1966-02-01), Sapp, Jr. et al.
patent: 4226517 (1980-10-01), Skarman
patent: 4268150 (1981-05-01), Chen
patent: 4351595 (1982-09-01), Date et al.
patent: 5300975 (1994-04-01), Kunishige

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