Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses
Patent
1998-05-20
1999-08-10
Mai, Huy
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
351113, 351118, 351121, G02C 113, G02C 516
Patent
active
059366990
ABSTRACT:
An elastic device for an eyeglasses frame is contained in a center deep opening of a center deep opening formed in each of two ends of a frame and pivotaly connected to a front end of each of two temples so that the temples may be automatically adjusted in its tightness relative to the frame. Then the frame may be worn by users having faces of different size. Further the shape of the temples may be alterable according to the configuration of a frame.
REFERENCES:
patent: 5592242 (1997-01-01), Ooie
Chiang Heng Trading Co., Ltd.
Mai Huy
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