Eyeglass frame having removable lenses

Details Eyeglass frame having removable lenses Eyeglass frame having removable lenses

1980-02-25

1981-12-08

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Temples

351 86, G02C 100, G02C 514

Patent

active

043044697

ABSTRACT:
An eyeglass frame having removable lenses consisting of lens rings to which are secured fixed inner, upper, and lower lens hooks receiving a removable lens. The frames may be utilized for interchangeable prescription, non-prescription, safety glasses and sunglasses. A movable temple lens latch completes the retention means for retaining the lenses in the eyeglass frame. Five species of temple lens latches are visualized. The preferred species is a tiltable catch. Other species visualized are spring loaded projection, frictional slide projection, a swing projecting arm, and detachable retention pins.

REFERENCES:
patent: 1308477 (1919-07-01), Blanchard
patent: 2652746 (1953-09-01), Shanks
patent: 2738709 (1956-03-01), Matthews et al.
patent: 3427098 (1969-02-01), Johnston
patent: 4176921 (1979-12-01), Matthias

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