Apparatus for and method of positioning and holding photosensiti

Details Apparatus for and method of positioning and holding photosensiti Apparatus for and method of positioning and holding photosensiti

1987-10-05

1988-09-27

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Detailed holder for photosensitive paper

355 91, G03B 2760

Patent

active

047745525

ABSTRACT:
An apparatus for positioning and holding a photosensitive material comprises: a case provided movably in a back-and-forth direction on a transparent plate held on a table frame of a copying apparatus; an overlay sheet to be spread over the photosensitive material, having one end fixed to a rear end of the transparent plate and another end held by a sheet roller in the case in a yieldable and retractable manner; stopper members provided on the table frame for placing the case in a desired position in the back-and-forth direction; contact members held by the case for positioning the photosensitive material in a transverse direction, with which at least two right-angled edges of the photosensitive material are brought into contact; and an evacuating device for evacuating air trapped between the overlay sheet and the transparent plate after positioning of the photosensitive material.

REFERENCES:
patent: 3634009 (1972-01-01), Van Dusen et al.
patent: 4029404 (1977-06-01), Mizukami et al.
patent: 4089603 (1978-05-01), Jacobs
patent: 4408872 (1983-10-01), Vaughan
patent: 4526463 (1985-07-01), Hickey et al.
patent: 4707125 (1987-11-01), Ohlig et al.
patent: 4723152 (1988-02-01), Ohtorii et al.

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