Patent ID: 6908194

Claim:
An eyeglasses system, comprising: an eyeglasses frame having a pair of opposite temple regions; a lace structure having opposite ends; and coupling means for removably coupling each of the opposite ends of the lace structure to one of the temple regions of the eyeglasses frame; wherein the coupling means comprises a male coupler element and a female coupler element, the male and female coupler elements being removably couplable together, the male coupler element being mounted on one of the lace and the eyeglasses frame and the female coupler clement being mounted on the other of the lace and eyeglasses frame; wherein the male coupler element comprises a peg being elongate with a transverse cross section having a substantially circular shape, the peg of the male coupler element having a pair of protrusions, a first one of the pair of protrusions extending in a substantially diametrically opposite direction from a second one of the pair of protrusions; wherein the female coupler element comprises a slot formed on the temple region of the eyeglass frame, the slot removably receiving the peg of the male coupler element, the slot having a generally cylindrical shape, an inner surface defining an interior of the slot, a pair of opposed grooves being formed on the inner surface for receiving the protrusions as the peg is moved into and out of the slot, a pair of notches each being formed in the inner surface at a location along one of the grooves, the notches being adapted to permit rotation of the peg of the male coupler element in the slot to lodge the protrusions in the notches such that longitudinal movement of the male coupler element out of the slot is resisted.