Adjustable glasses

Details Adjustable glasses Adjustable glasses

1993-12-13

1996-08-13

Sikes, William L.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 41, 351 85, G02C 712

Patent

active

055461417

ABSTRACT:
Sunglasses are provided wherein each lens opening has a fixed polarized lens and a rotatable polarized lens. A slide is carried by the frame, with each rotatable lens being connected thereto at locations outside of the lens openings. Lateral movement of the slide effects the rotation of the rotatable lenses, thereby varying the transitivity of the sunglasses.

REFERENCES:
patent: 3423149 (1969-01-01), Braunhut
patent: 3475765 (1969-11-01), Zeltmann
patent: 3869200 (1975-03-01), Danylewich
patent: 3890037 (1975-06-01), Zingarelli
patent: 3944346 (1976-03-01), Shindler
patent: 4149780 (1979-04-01), Young
patent: 4386832 (1983-06-01), Nannini et al.
patent: 4878748 (1989-11-01), Johansen et al.
patent: 4879770 (1989-11-01), Vacilotto
patent: 4919530 (1990-04-01), Hyman
patent: 5355183 (1994-10-01), Andrea
patent: 5428410 (1995-06-01), Lei

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