Driving apparatus for optical systems of photocopier

Details Driving apparatus for optical systems of photocopier Driving apparatus for optical systems of photocopier

1986-10-27

1988-03-01

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

2421251, G03B 2770, B65H 7528

Patent

active

047289880

ABSTRACT:
The present invention relates to a driving apparatus for the optical systems of a photocopier comprising 1st and 2nd optical systems, 1st and 2nd wires stretched out facing with each other through the wire-fixed ends of the 1st optical system, moving pulleys of the 2nd optical system, fixed pulleys of both systems and a common wire drum for both wires. The common wire drum has two wire drum bodies with a shallow and smooth dented portion, and a screw for pressing and fixing the approximate center of the wires against the bottom surface and/or side surface of the dented portion.

REFERENCES:
patent: 3884574 (1975-05-01), Doi et al.
patent: 4367945 (1983-01-01), Abe
patent: 4569763 (1986-02-01), Arai

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