CONNECTING LOOP-LOCK FOR SPECTACLE FRAME AND TEMPLE Russian patent published in 2020 - IPC G02C5/02 G02C5/14 

FIELD: optics.

SUBSTANCE: invention relates to spectacle optics, specifically to screwless joints of arches and spectacle holder. Connecting loop lock for the spectacle holder and the shackles is formed by the end element of the holder, made of two detachable parts, in each of which there are rectangular holes, end element of the arch, brace made in form of rectangular plate with two holes, having identical shape with holes of end element of holder, two crossbars, made in form of flat elements of complex shape, lock, made in form of plate, one of which ends is made shaped, at that, endings of the end element of the holder are shaped and form a cross-shaped cut on the edge of the end element of the holder, on the end part of the end element of the arch there is a cross-shaped projection, in the central part of the brace between the holes there is a resilient element formed by U-shaped cutout in the brace, in the body of the lock a through slot of the complex shape is made, which forms an elastic element.

EFFECT: technical result consists in obtaining a simple in assembly-disassembly structure without using an additional tool.

1 cl, 6 dwg