Auxiliary lens frame for eyeglasses

Details Auxiliary lens frame for eyeglasses Auxiliary lens frame for eyeglasses

1990-08-22

1992-01-14

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With auxiliary lenses movable in and out of the optical path

351 47, G02C 708, G02C 900

Patent

active

050804758

ABSTRACT:
An auxiliary lens support structure for eyeglasses includes a pair of auxiliary lenses and an auxiliary frame for holding the lenses. The auxiliary frame matches a primary frame in shape and size and includes a primary frame receiving groove comprised of a pliant projecting flange and flange edge. The primary frame receiving groove extends over substantially the entire periphery of the primary frame for firm and secure retention. Also, the auxiliary lenses are non-circular and fashioned to match a pair of primary lenses mounted in the primary frame.

REFERENCES:
patent: 1348713 (1920-08-01), Gitterman
patent: 2413193 (1946-12-01), Robblee
patent: 3536385 (1970-10-01), Johnston
patent: 3890037 (1975-06-01), Zingarelli
patent: 3958867 (1976-05-01), Morgan
patent: 3981569 (1976-09-01), Morgan
patent: 4070103 (1978-01-01), Meeker
patent: 4217037 (1980-08-01), Lemelson
patent: 4534627 (1985-08-01), Vosper
patent: 4822158 (1989-04-01), Porsche

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