Resilient extendable film exit cover

Details Resilient extendable film exit cover Resilient extendable film exit cover

G - Physics

03

B

95/9.2

G03B 17/52 (2006.01) G03D 9/02 (2006.01)

Patent

CA 1040473

Abstract of the Disclosure Photographic apparatus for use with film units of the self-developing type. The apparatus includes a coil of opaque sheet material mounted adjacent an exit slot of the apparatus in position to be engaged by a leading edge of an exposed film unit as it is being advanced to the exterior of the apparatus by a pair of pressure-applying members. The sheet material is uncoiled by the advancing film unit so as to progressively cover, in lighttight relation, portions of the film unit which have been treated with a processing composition so as to prevent further exposure of untreated portions of the film unit by ambient light being transmitted lengthwise along the film unit. After the sheet material has been completely uncoiled, it is adapted to return towards its coiled configuration where it cooperates with other structure for releasably retaining the film unit in engagement with the apparatus after the latter has moved out of engagement with the pressure- applying members.

226023

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