| 摘要 |
PCT No. PCT/EP93/01029 Sec. 371 Date Jan. 9, 1995 Sec. 102(e) Date Jan. 9, 1995 PCT Filed Apr. 30, 1993 PCT Pub. No. WO93/22705 PCT Pub. Date Nov. 11, 1993The present invention relates to a new kind of joint, in particular for securing side pieces of spectacles to the frame of spectacles, which is capable of conferring to the bows an appropriate elasticity, both when they are braced over the temples and when they are opened or closed, so that they are not limited by any problems of size. The characteristic feature of the joint is that it has a forked part or forked spring (11 or 111), the ends (112, 114) of which have inner surfaces provided with teeth (122, 123, 124, 125) or grooves (16, 17) with slanting walls shaped so that they stand at right angles to each other and are concentrically arranged around a transverse joint pin (19, 119) linked to a second part inserted between both fork ends (112, 114). Said part is fixed to the frame (18, 118) of the spectacles and allows both parts to rotate, pressing apart the ends (12, 14 or 112, 114) of the fork, achieving the desired elasticity when the parts are rotated. |
