Sunglasses

Details Sunglasses Sunglasses

1991-09-03

1994-09-13

Yoo, Do Hyun

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 47, G02C 702

Patent

active

053473230

ABSTRACT:
A pair of sunglasses having an elongated lens support frame member having a pair of elongated grooves formed in its bottom surface for detachably receiving a left lens and a right lens. The lenses have a constant radius in the horizontal planes extending from their top edge to their bottom edge. The grooves in the lens support frame member have a predetermined asymetric curvature that requires the lenses to be bent during insertion or removal. The temple members in sequence from their front end to their rear end have a forward portion, an intermediate correctly oriented letter shaped portion, and a rear portion. The letter shaped portions when viewed from either side of the wearer's head have the same correctly oriented letter design incorporated in the structure of the temple member.

REFERENCES:
patent: 2824309 (1958-02-01), Fleming
patent: 4070103 (1978-01-01), Meeker
patent: 4741611 (1988-05-01), Burns
patent: 4859048 (1989-08-01), Jannard
patent: 4867550 (1989-09-01), Jannard
patent: 4934807 (1990-06-01), Bolle et al.
patent: 4951322 (1990-08-01), Lin

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