Film holding system

Details Film holding system Film holding system

1978-06-20

1980-01-22

Hix, L. T.

Photocopying

Projection printing and copying cameras

Producing plural rows of pictures on photosensitive paper

355 72, 355 73, 353 27A, G03B 2758, G03B 2760, G03B 2308

Patent

active

041847644

ABSTRACT:
A film supporting and positioning system includes a film holding or gripping head for engaging an edge portion of the film and supporting the same in a cantilever fashion. The gripping head may include a frictional contact gripping arrangement or a vacuum head by which the film is held along one edge thereof. The gripping head is displaceable in a plurality of orthogonal directions so that the film may be inserted into and oriented relative to the image plane of an optical recording/reproducing system. In the vicinity of this image plane, a film support bearing is provided, in order that a prescribed region of the film, in which information may be recorded may be properly irradiated by a light beam. Preferably, the film support bearing is provided by a fluid bearing platen which is thermodynamically non-throttling.

REFERENCES:
patent: 2911884 (1959-11-01), Caudle et al.
patent: 3566524 (1971-03-01), Irasek
patent: 4099867 (1978-07-01), Spence-Bate
patent: 4105325 (1978-08-01), McCollough

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