Work holders – Plural holders to hold workpieces relative to each other – Fixed work-contacting portions for each holder
Patent
1991-10-18
1993-03-30
Watson, Robert C.
Work holders
Plural holders to hold workpieces relative to each other
Fixed work-contacting portions for each holder
B25B 120
Patent
active
051977192
ABSTRACT:
A reference jig for positioning and fixing a lens or lenses in a predetermined position on a lens support structure, the reference jig including for positioning and fixedly bonding a plural number of lens components on a lens mounting surface of the support structure: a plate-like main body having a predetermined thickness and detachably fixable on the lens mounting surface of the support structure; registration members provided contiguously to the main body and engageable with reference walls of the lens support structure to hold the main body in registered position relative to the lens support structure; and notched positioning wall portions each formed in the main body and abuttingly engageable with at least two transversely opposite corner portions of a lens component to hold same in a predetermined position on the lens support structure.
REFERENCES:
patent: 2743693 (1956-05-01), Schaper
patent: 2911022 (1959-11-01), Brown
patent: 2969819 (1961-01-01), Bravo
patent: 3662985 (1972-05-01), Parker
patent: 4723768 (1988-02-01), Waller
patent: 4790786 (1988-12-01), Stauss
Fuji Photo Optical Co., Ltd.
Watson Robert C.
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