Scale factor changing mechanism for copying machine

Details Scale factor changing mechanism for copying machine Scale factor changing mechanism for copying machine

1983-12-01

1986-02-18

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 8, 355 55, 355 57, G03G 1500

Patent

active

045710651

ABSTRACT:
A copying machine with an optical system in which three mirrors are arranged between the surface of an original and a lens and one mirror is arranged between the lens and a photosensitive member. A scale factor changing mechanism utilizes one movable mirror arranged between the lens and photosensitive member and in parallel with the direction of the optical axis of the lens. An endless-belt-shaped member is employed as the photosensitive member. The endless-belt-shaped member has a flat exposure projection surface.

REFERENCES:
patent: 4029409 (1977-06-01), Spinelli et al.
patent: 4093374 (1978-06-01), Zucker et al.
patent: 4095880 (1978-06-01), Shogren et al.
patent: 4351605 (1982-09-01), Carpenter et al.
patent: 4362382 (1982-12-01), Simpson
patent: 4372670 (1983-02-01), Carpenter et al.

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