Mono-lens eyeglasses

Details Mono-lens eyeglasses Mono-lens eyeglasses

1998-05-20

1999-04-27

Dang, Hung Xuan

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Continuous rim mounting

351 83, 351103, 351106, G02C 100

Patent

active

058984690

ABSTRACT:
A mono-lens eyeglasses includes a frame, a mono-lens and two temples. The frame has a center opening respectively in two ends, and a long groove in a lower edge for an upper edge of the mono-lens to fit in. The mono-lens has a notch formed respectively in two ends for a front end of each temple to engage in or disengage from by swinging the temple. Then the mono-lens may by removed from the frame and replaced with a new one by swinging the temple with the front end disengaged from the notch of the mono-lens without need of any tools.

REFERENCES:
patent: 4998815 (1991-03-01), Lin
patent: 5387949 (1995-02-01), Tackles
patent: 5592242 (1997-01-01), Ooie
patent: 5661535 (1997-08-01), Wang

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