Eyeglasses of the type without mounting and having supplementary lenses

Abstract

Eyeglasses with lenses of the type which are free of mounting, called “extralight” in which the lenses (1) are connected directly to the central bridge and to the extremity of the two lateral risers by means of a threaded attack, wherein the extremities of the risers (2) and extremities of the central bridge (3) have a terminal portion (4) which is inserted from the internal surface of the lens within corresponding niches (5) formed on the internal surface of the lenses and which is threadedly engaged by an element passing through the lenses from the external surfaces.

Dependencies are inferred from the claim text.