Patent ID: 7472990

Claim:
An assembly of a glasses frame and two legs comprising: a frame tenon, extending from either of the two sides of a frame, wherein said frame tenon includes: a raised piece embedded within said frame tenon; a right stair in direct contact with said frame, wherein the length of said right stair is smaller than the length of said frame; a left stair facing outwards and joining said right stair, wherein the length of said left stair is smaller than the length of said right stair; and a leg mortise, located on the upper end of said leg for flexibly receiving said frame tenon, wherein said leg mortise includes: a recess body for receiving said raised piece, formed within said leg mortise along the axis of said leg, to which said recess body attaches; a left recess housed completely within said leg mortise, wherein the size and shape of said left recess is made to flexibly receive said left stair; and a right recess to which said left recess opens, wherein the size and shape of said right recess is made to flexibly receive said right stair.