Lens frame holding device

Details Lens frame holding device Lens frame holding device

1984-08-20

1986-04-29

Corbin, John K.

Photocopying

Contact printing

Light boxes

355 55, G02B 2702, G03B 2552

Patent

active

045853088

ABSTRACT:
A lens frame holding device for mounting the optical unit of a copying machine in which the position of the lens frame in the direction of the optical axis is regulated so that, if a lens frame is removed from the housing for maintenance or the like, it can be easily and accurately reassembled without the need for adjustment. A housing has bottom and vertical walls at opposite ends of the bottom wall, and supporting cuts are formed in the vertical walls for supporting the lens frame. Two hooking slots are formed in each vertical wall, and elastic lens holding members are provided for securing the lens frame to the housing. The lens holding members each having two hooking portions adapted to engage with the hooking slots. With the lens holding members laid over the lens frame set in the supporting cuts, the lens frame is fixedly secured to the housing using the hooking portions and hooking slots.

REFERENCES:
patent: 2377718 (1945-06-01), Ress
patent: 2718815 (1955-09-01), Manning
patent: 4319836 (1982-03-01), Murata et al.

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