Apparatus for adjusting optical system of an image forming appar

Details Apparatus for adjusting optical system of an image forming appar Apparatus for adjusting optical system of an image forming appar

1989-06-12

1990-07-03

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 57, 355233, G03B 2752

Patent

active

049395459

ABSTRACT:
Adjusting apparatus adapted to adjust the positions of a first moving frame and a second moving frame respectively engaged with a pair of wrapping power transmission members installed with a predetermined distance provided therebetween. The adjusting apparatus comprises a shaft, an adjustment plate rotatably integrally with the shaft, a first member to be wrapped and a second member to be wrapped. The shaft is rotatably supported by a pair of lateral plates. The adjustment plate is attached to one of the lateral plates so as to be adjustable in rotation. The first member to be wrapped is rotatably supported by one end of the shaft and secured to one of the wrapping power transmission members. The second member to be wrapped is secured to the other end of the shaft and secured to the other wrapping power transmission member. The adjustment plate and the first member to be wrapped are engaged with each other so as to be adjustable in relative rotation in the circumferential direction of the first member to be wrapped.

REFERENCES:
patent: 4634267 (1987-01-01), Jones et al.
patent: 4645329 (1987-02-01), Iwaki
patent: 4862218 (1989-08-01), Tsunoda et al.

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