Scanning apparatus for reading an original image

Details Scanning apparatus for reading an original image Scanning apparatus for reading an original image

1989-10-13

1991-03-26

Dzierzynski, Paul M.

Photocopying

Contact printing

Light boxes

355233, G03B 1528, G02B 2608

Patent

active

050023667

ABSTRACT:
A scanning apparatus of a copying machine includes a first moving frame and a second moving frame constituting a movable optical system for reading an original image; a toothed belt suspended between a pair of pulleys such that the toothed belt is endlessly movable; the first moving frame being fixed; a second moving frame driving pulley installed on the second moving frame and which is driven by the toothed belt; a friction roller which rotates in a body with the second moving frame driving pulley; and a stationary friction plate installed so as to be brought in contact with the friction roller. The scanning apparatus has a simple construction, and a stable and high performance in reading an original image can be obtained.

REFERENCES:
patent: 4645329 (1987-02-01), Iwaki
patent: 4708486 (1987-11-01), Watanabe

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