Copyholder

Details Copyholder Copyholder

1980-09-15

1982-07-20

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355 52, G03B 2762, G03B 2768

Patent

active

043402984

ABSTRACT:
This invention relates to a copyholder for exposure of opaque copy material upon a surface unit comprising two end extensions that traverse freely, in a horizontal movement, through two slotted-center end bars that are secured to a pivotal center of an arm unit in providing for elevated or depressed positions on said flexible sheet means for various manual surface curvature adjustments.

REFERENCES:
patent: 2095815 (1937-10-01), Hopkins
patent: 2512182 (1950-06-01), Sussin
patent: 2565446 (1951-08-01), Abbott
patent: 2607268 (1952-08-01), Bartz

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