Lens shift device for a photographic printer

Details Lens shift device for a photographic printer Lens shift device for a photographic printer

1992-03-27

1993-06-08

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 63, G03B 2752

Patent

active

052184048

ABSTRACT:
A lens holder is pivotally mounted at its one end on an axle, and is movable up and down along the axle. The lens holder has a fork formed in the other end. The fork and an arched holding member form an oval aperture. A zoom lens is rotatably fitted in the oval aperture, and also is slidable therein in a horizontal direction. When removing the zoom lens from a lens deck, a lens board securely holding the zoom lens is pulled away from the lens deck in a straight line. The zoom lens rotates and slides in the oval aperture while moving along with the pivotal movement of the lens holder. To move the zoom lens into a rest position, the lens holder pivots further about the axle.

REFERENCES:
patent: 3996596 (1976-12-01), Kurtik
patent: 4583845 (1986-04-01), Lucht et al.
patent: 5006886 (1991-04-01), Suzuki
patent: 5097289 (1992-03-01), Lucht et al.

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