Lens holding groove means

Claim 1

In combination a substantially rigid metal frame portion of a pair of spectacles including a pair of openings for receiving a pair of lenses therein; a pair of substantially flexible lenses having a forwardly extending convex curvature mounted in said lens openings, each of said lenses having a front and rear surface and an edge extending about its periphery; each of said lens receiving openings in said front frame including a lens receiving groove means which receives the edge of each of said lenses and extends completely around the periphery thereof; each of said groove means comprising a front ledge portion joined to a rear ledge portion and spaced therefrom to form a lens receiving groove therebetween, said front and rear ledge portions being integral with said substantially rigid metal frame portion; each of said front ledge portions extending inwardly from the edge of said lens mounted in each of said grooves and contacting a curved portion of the front surface of said lens spaced inwardly from the edge of said lens; each of said front ledge portions extending inwardly from the edge of said lens mounted in each of said grooves a substantially greater distance than said rear ledge portions, said rear ledge portions being positioned to contact at least a portion of the edge of the rear surfaces of each said lenses mounted in said grooves to aid in maintaining said lenses in said grooves; whereby, each of said lenses is insertible in its respective groove by flexing it to allow its edge to pass over said lesser inwardly extending rear ledge portion and into said groove, said further inwardly extending front ledge portion covering from view the outermost peripheral portion of each lens mounted in said groove.