Method of holding plastic lens and plastic lens holding...

Details Method of holding plastic lens and plastic lens holding... Method of holding plastic lens and plastic lens holding...

2005-05-31

2005-05-31

Dang, Hung (Department: 2873)

Optical: systems and elements

Lens

With support

C359S820000, C362S455000, C353S100000

Reexamination Certificate

active

06900953

ABSTRACT:
A plastic lens is fixedly held in precise position a lens holder by cramming a deformable retaining ring between a front collar and a periphery of the plastic lens loosely put in an annular mounting space formed in the lens holder and crushing the front collar against the retaining ring so as thereby to rivet the plastic lens to the lens holder.

REFERENCES:
patent: 4737017 (1988-04-01), Nagasaka
patent: 5623702 (1997-04-01), Pearson
patent: 6310735 (2001-10-01), Best et al.
patent: 8-136783 (1996-05-01), None

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