Quick fastening nut for securing product i.e. tap, including thread to object i.e. table, has ring member that bends fastening portions inwards when ring member is moved towards distal ends of fastening portions

摘要

The nut has a ring member including a ring (11) that includes a bore (23) at a center, and a set of fastening portions (14) projected from a side of the ring and around the bore. A fastening portion of the ring member is inserted into a bore of another ring member such that the latter ring member is moved along the fastening portions of the former ring member and the latter ring member bends the fastening portions inwards when the latter ring member is moved towards distal ends of the fastening portions. The fastening portions are placed with ribs.