Apparatus and method for making prints

Details Apparatus and method for making prints Apparatus and method for making prints

1975-11-14

1978-02-28

Braun, Fred L.

Photocopying

Projection printing and copying cameras

With developing

219216, 355 77, G03B 2900

Patent

active

040764117

ABSTRACT:
Apparatus and method are provided for cyclically controlling the metering of photosensitive sheet material into an exposure station, cutting the material to a selected length, exposing the material to form a latent image thereon and advancing the sheet onto a rotating drum upon which the sheet is processed by the application of heat. To minimize the size of the apparatus and to reduce the time between exposures of successive prints the drum is made relatively small but rotated at a correspondingly higher rate with appropriate processing time provided by having each portion of the sheet remain on the drum for more than one revolution of the drum. Rotation of the drum is controlled by a counting mechanism to ensure that the drum has turned a sufficient number of revolutions to fully process the sheet and remove same from the apparatus. The apparatus also controls a stripper element so that this element is actuated at an appropriate time in a print cycle to remove the processed sheet from the drum.

REFERENCES:
patent: 3136237 (1964-06-01), Moon
patent: 3167996 (1965-02-01), Adler
patent: 3246591 (1966-04-01), Robertson
patent: 3640198 (1972-02-01), James
patent: 3779641 (1973-12-01), Hauck

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