| 摘要 |
<p>The fastening device has a combination of a screw (20) with a casing. The screw has a thread free slender shank area (22), which exhibits diameter, which is smaller with respect to an end sided threaded area (23). The casing has a constriction (37), which produces a reduced remain opening, which is designed smaller than outer diameter of the threaded area. The constriction consists of a pin (40.1), which is inserted in a bore of the casing.</p> |
