Methods of film winding and loading a film in a lens-fitted film

Details Methods of film winding and loading a film in a lens-fitted film Methods of film winding and loading a film in a lens-fitted film

1996-05-13

1997-03-11

Mathews, A. A.

Photography

Camera detail

Detachable or removable film holder unit

242332, 2423323, 396538, 396387, G03B 1726, G03B 1702

Patent

active

056106793

ABSTRACT:
A method for loading an unexposed photographic film in a lens-fitted photographic film unit, the method including the steps of: providing a cartridge storing the unexposed film therein, and a film supplying spool having a film winding part around which the film is wound, a portion defining a suction hole for film-attraction formed on the film winding part, and a portion defining a hollow hole for air-suction formed concentrically with the supplying spool; thrusting out the film from the cartridge; sucking air from the hollow hole so that the film thrust out from the cartridge is attracted to the suction hole; winding up the film by a predetermined length to the supplying spool while attracting the film to the suction hole; and loading the cartridge and the supplying spool in a main body of the lens-fitted photographic film unit.

REFERENCES:
patent: 4555076 (1985-11-01), Uchiyama
patent: 4884087 (1989-11-01), Mochida et al.
patent: 4954857 (1990-09-01), Mochida et al.
patent: 5229802 (1993-07-01), Shiota et al.

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