Apparatus for precluding rotational movement of an advancing fil

Details Apparatus for precluding rotational movement of an advancing fil Apparatus for precluding rotational movement of an advancing fil

1986-08-15

1987-05-26

Perkey, W. B.

354276, 354304, G03B 1726, G03B 1752

Patent

active

046680624

ABSTRACT:
Photographic apparatus for use with a film unit of the self-developing type including a chamber for locating a film unit situated within a film cassette in position for exposure and a pair of rollers mounted adjacent a leading edge of a film unit located in the exposure position. The rollers are positioned to define a longitudinally extending gap which is substantially parallel with the leading edge of the film unit located in the exposure position. Film cassette structure is provided for maintaining the leading edge of the film unit substantially parallel to the longitudinally extending roller pair formed gap as the film unit is advanced toward and enters the roller-formed gap.

REFERENCES:
patent: 3647441 (1972-03-01), Bachelder
patent: 3753392 (1973-08-01), Land
patent: 3829871 (1974-08-01), Gold
patent: 3854809 (1974-12-01), Driscoll
patent: 3864703 (1975-02-01), Gold

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