Spectacles with removable side-pieces or band

Claim 1

Spectacles including lens means for disposition across the wearer's face and including opposite ends to be disposed at opposite sides of the wearer's head, holding means for holding the lens means on the wearer's face, and coupling means removably coupling said holding means to said opposite ends, said coupling means including: a clip integral with said holding means and comprising two wings arranged opposite each other and between which extends one end of said lens means, a first wing having a first hole therethrough of a predetermined dimension and a second wing having a second hole therethrough of a dimension greater than said first hole; an elongated shank having at one end a push-button and at a second end an enlarged pin, said pin being received through said second hole, said shank, between said push-button and pin, being received through said first hole, said push-button being of a size too great to pass through said first hole so that said push-button may be moved between a first position in which said pin extends between said wings and a second position in which said shank, between said push-button and pin, extends between said wings; a mortise provided in said end of said lens means, said mortise having a dimension adapted to receive said pin and emerging at said one end of said shield lens means by an opening having a dimension adapted to receive said shank therethrough and preventing passage of said pin therethrough.