Original holder plate for copying machine

Details Original holder plate for copying machine Original holder plate for copying machine

1974-10-29

1976-01-13

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355118, G03B 2762, G03B 2704

Patent

active

039320375

ABSTRACT:
An original document holder for application in electrophotographic copiers of the instantaneous exposure type which use high intensity xenon flash lamps. The holder is a box-shaped cover with at least one movable, spring-closed side such that extra large, thick documents such as books may be copied without danger of light leakage by virtue of light-tight engagement of the movable side with the projecting portions of such documents.

REFERENCES:
patent: 1517669 (1924-12-01), Deane
patent: 3224353 (1965-12-01), Jones
patent: 3615134 (1971-10-01), Newcomb
patent: 3630620 (1971-12-01), Fackler
patent: 3642376 (1972-02-01), Halvorsen et al.
patent: 3655283 (1972-04-01), Margulis et al.
patent: 3813161 (1974-05-01), Curtis
IBM Technical Disclosure Bulletin, "Document Hold-Down Device," Berliner et al., Vol. 13, No. 11, Apr. 1971, p. 3503.

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