| 摘要 |
<p>Fastening device has a headed or other male element (10) having a stem (14) provided with serrations (18) including a series of locking faces (20) directed away from its free end (22); and a mating female element (16) having an annular radially outer skirt (26) whose free edge (28) abuts the face of an article to be secured and which is connected to a stem gripping porting portion (32) by a resilient bridging formation (30), the gripping portion comprising resilient limbs (34) whose ends abut the locking faces to resist withdrawal of the stem once engaged with said skirt abutting the article face and the bridging formation flexed to provide a clamping force.</p> |
