| 摘要 |
<p>A coupling device (1) to join a first element (A) to a second element (B), comprising a box-like body (2) which presents appropriate connection means to connect to said first element (A) and inside which a shaft (3), rotating around an axis (X), is rotationally accommodated; said shaft (3) supports one or several driving gears (31), each of which co-operating with at least one driven gear (32) respectively, the latter being operationally connected to at least one assembly (4) that causes the rototranslation of at least one special screw (5) towards said second furniture element (B), wherein said at least one assembly (4) comprises an external hollow cylinder (42), rigidly connected to said box-like body (2) and presenting on its own inner surface one or several helicoidal grooves (421), said external hollow cylinder (42) being coaxial with a rotating internal hollow cylinder (41), the latter being integral with said driven gear (32) and presenting one or several longitudinal slots (411).</p> |
