| 摘要 |
<p>A fastening device (1) for a bathroom fitting, in particular for retaining a seat (2) to a WC bowl (5), which can be quickly installed and is of robust construction, comprises a screw (8) having a long threaded shank (10) and a nut (12) substantially spool-shaped, with an axially extending passageway (17) into which two half internal threads (18,19) are arranged to project, which are coaxial with, oppositely located and axially spaced apart from each other, said passageway (17) having sufficient dimensions to allow the disengagement of the half internal threads (18,19) from the threaded shank (10) by tilting the nut (12) relative to the shank (10). <MATH></p> |
