| 摘要 |
Locking means intended to be anchored in an element and to receive rotatably by snap-in closure a second means provided with an undercut head. The locking means according to the invention consists of a substantially cylindrical body (1) having a first and a second end. Outwardly directed gripping means (2; 13, 14) are arranged in the peripheral area of the body at its first end. The body (1) has an coaxially arranged cavity (3) narrowing off which at its narrow portion continues in an opening (4) ending coaxially in the first end and which cavity (3) ends at the second end of the body (1) and is provided there with an inwardly directed flange means (5, 19). The body (1) is further expansible at said first end. |
