Eyeglass frame having removable lens

Details Eyeglass frame having removable lens Eyeglass frame having removable lens

1980-09-22

1982-11-02

McGraw, Vincent P.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Continuous rim mounting

351154, G02C 108, G02C 100

Patent

active

043570801

ABSTRACT:
An eyeglass frame having removable lenses consisting of lens rings to which are secured movable upper or lower lens hooks receiving a removable lens. The frames may be utilized for interchangeable prescription, non-prescription, safety glasses and sunglasses. Movable upper or lower hooks complete the retention means for retaining the lenses in the eyeglass frame. Nine species of movable upper or lower hooks are visualized. The preferred species is a rotatable hook. Other species visualized are spring loaded projection, frictional slide projection, a projecting tilt arm, and screwable hooks.

REFERENCES:
patent: 1308477 (1919-07-01), Blanchard
patent: 2652746 (1953-09-01), Shanks
patent: 2738709 (1956-03-01), Matthews et al.

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