Display support for spectacle frames - consists of base piece with two side pieces threaded hole, bar and wire

摘要

The display support for spectacle frames supports the bridge-piece. The support consists of a base piece (1) which is triangular in cross-section and has, on each side of it, two side pieces (2) supporting the frame. A threaded hole in the base (1) has screwed into it a threaded bar (3) with a slot in it. A wire (4) is placed in the slot and the tightening of the screw is by a threaded plug (5).