Lens repositioning device in a copier

Details Lens repositioning device in a copier Lens repositioning device in a copier

1988-12-30

1990-02-13

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 56, G03B 2752

Patent

active

049011073

ABSTRACT:
A lens repositioning device for use in a copying machine which device comprises a generally elongated lens carriage having a lens assembly fixedly mounted thereon; a single traction cable adapted to be driven by a drive unit and including generally intermediate first and second cable portions over the length thereof which extend parallel to each other and are, when the traction cable is driven by the drive unit, moved at the same velocity and in the same direction, and a guide member. The lens carriage is rigidly connected at its opposite ends with the respective first and second portions of the traction cable. The guide member is operable during the movement of the traction cable accompanied by the movement of the lens carriage to guide the lens assembly to follow a curved path of a predetermined configuration.

REFERENCES:
patent: 4552450 (1985-11-01), Tomosada et al.
patent: 4552453 (1985-12-01), Iwamoto et al.
patent: 4676632 (1987-06-01), Arai
patent: 4796053 (1989-01-01), Nakamura et al.
patent: 4805001 (1989-02-01), Hayashi et al.

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