Folded beam adjustment

Details Folded beam adjustment Folded beam adjustment

1982-05-14

1983-12-20

Hayes, Monroe H.

Photocopying

Including fiber optics

350299, G03B 2700

Patent

active

044214006

ABSTRACT:
In an optical scanning system for scanning an original document to be copied, in which the system includes a carriage, an array of fiber optics for illuminating the original document with a line of light, a first mirror, a second mirror opposing the first mirror and forming an acute angle therewith, the mirrors being separated by a predetermined distance, whereby one end of the mirrors is more open than the other end of the mirrors and input light rays enter at the more open end of the mirrors upon the first mirror at a predetermined angle, and wherein the light rays are reflected off each of the mirrors a predetermined multiplicity of times and exit the mirrors at the more open end by reflecting off the second mirror at the same predetermined angle the input rays make with the first mirror, and a lens cell for focusing the line of light upon a light sensitive surface, an improved adjustment mechanism for the lens cell. The improved adjustment mechanism includes an inner barrel member surroundingly engaging the lens cell, an outer barrel member slidingly retaining the inner barrel member, the outer barrel member having a flared end, a two dimensionally contoured ring surface on the carriage on which the flared end of the outer barrel member is seated, a device for longitudinally sliding the inner barrel member within the outer barrel member, and another device for swivelling the outer barrel member vertically and laterally.

REFERENCES:
patent: 3516727 (1970-06-01), Hickey et al.
patent: 3531183 (1970-09-01), Aagard

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