Eyeglass frame with detachable frame front

Details Eyeglass frame with detachable frame front Eyeglass frame with detachable frame front

1981-02-11

1983-09-06

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Bridges

351140, G02C 510, G02C 500

Patent

active

044025777

ABSTRACT:
An eyeglass frame with a detachable frame front is disclosed. The eyeglass frame comprises a main frame structure including a main cross bar and hinged temples at its ends, and the separate, detachable frame front comprises rims interconnected by a pair of parallel cross members defining a bridge. A fastener member or pad is secured to the underside of the main cross bar and has a pair of parallel grooves cooparable with the cross members for releasably securing the latter in position. One of the grooves is along the front surface of the fastener member and the other groove lies along the lower surface thereof. The fastener member also has one or more apertures cooperable with teats on an additional (sun) frame front for releasable securing the latter. Alternatively the additional frame front may be pivotally mounted on the fastener member.

REFERENCES:
patent: 2380638 (1945-07-01), D'Urbano
patent: 3238005 (1966-03-01), Petitto
patent: 3713732 (1973-01-01), Gooch
patent: 4345824 (1982-08-01), Daubignard

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