Pressure plate for camera adaptable for film with or without backing paper

Claim 1

A roll film camera adaptable fur using a film strip with and without backing paper, comprising a camera housing including: a film guide surface on the camera body having an exposure frame therein; a back cover movable between a closed position and an open position for loading the film strips in the camera; a pair of guide rails provided on both sides of the path of the film strips on said film guide surface each of said guide rails having two steps in which height of the first step is slightly greater than the thickness of the film strip with backing paper and the second step is lower than said first step by the thickness of the backing paper; a pressure plate resiliently provided on said back cover to be pressed to said guide rails with the cover in its closed position; a film guide plate adapted to form a channel between its surface and said film guide surface and slidably movable on the surface of said pressure plate between a first position in which said film guide plate is engaged with said first step and a second position in which said film guide plate is engaged with said second step; and means operable from outside of the camera to selectively move said film guide plate relative to the pressure plate between said first and second position.