Eyeglasses having removable lenses

Details Eyeglasses having removable lenses Eyeglasses having removable lenses

1978-06-02

1979-12-04

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Brace arm or semi-rimless mounting

351 86, 2443, 351 47, G02B 513, G02B 2126, G02B 704

Patent

active

041769210

ABSTRACT:
Eyeglasses of the type which permit interchanging of lenses are disclosed which employ a support frame having a plurality of support prongs thereon adapted to receive a pair of lenses in supporting relation on the frame, and including a retaining clip pivotally mounted on the frame and movable between a first position which permits easy mounting of lenses on and removal from the support frame, and a second position wherein the retaining clip retains the lenses in mounted relation on the support frame so as to prevent their removal.

REFERENCES:
patent: 807944 (1905-12-01), Mirovitch
patent: 955278 (1910-04-01), Minor
patent: 2607919 (1952-08-01), Stegeman
patent: 2738709 (1956-03-01), Matthews et al.
patent: 2975427 (1961-03-01), Sick
patent: 3229303 (1966-01-01), Jonassen
patent: 3233250 (1966-02-01), Jonassen
patent: 4056853 (1977-11-01), Bottazzini et al.

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