| 摘要 |
<p>The bolt (1) comprises a bolt-like unit (2) which is inserted in the openings, where a sliding sleeve (5) which is rotated in a longitudinal direction for radially projecting outwards. A threaded spindle (8) is screwed in the longitudinal direction in the bolt-like unit. A pin (19) restricts the radial movement of a ball (4), where the threaded spindle has a recess at its end for the pin.</p> |
