Magnification varying mechanism for image forming apparatus

Details Magnification varying mechanism for image forming apparatus Magnification varying mechanism for image forming apparatus

1988-08-15

1989-09-26

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 61, G03B 2736, G03B 2738

Patent

active

048704539

ABSTRACT:
A copier for providing photographic copies of different sized originals, having an optical system variable for altering the magnification of an original, a scale member movable to locate the end of each respective size of original on the copier, and a link mechanism intercoupling the optical system and the scale to automatically vary the system magnification in accordance with the location of the scale.

REFERENCES:
patent: 4105327 (1978-08-01), Gibson et al.
patent: 4218133 (1980-08-01), Biedermann
patent: 4375916 (1983-03-01), Levine

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