Magnification converting mechanism for a variable magnification

Details Magnification converting mechanism for a variable magnification Magnification converting mechanism for a variable magnification

1987-10-02

1989-01-03

Prescott, A. C.

Photocopying

Including fiber optics

355 14R, 355 55, G03G 1500

Patent

active

047960531

ABSTRACT:
A variable magnification apparatus is provided with a magnification converting mechanism and a scan speed change mechanism. In the magnification converting mechanism, the force generated by operating a magnification converting lever is transmitted to the lens holder through a magnification change-over arm and to a speed change selection member through a scan speed change shaft. In the scan speed change mechanism, the number of rotations of an output shaft is changed by a selected rotation transmission member which is actuated by a speed change ratio selection member.

REFERENCES:
patent: 4533233 (1985-08-01), Kimura et al.
patent: 4669858 (1987-06-01), Ito et al.
patent: 4710018 (1987-12-01), Miyaji
patent: 4714941 (1987-12-01), Yamagishi et al.

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