| 摘要 |
<p>Themounting socket positively engages in a hole with an undercut portion, having an anchoring section inserted in the hole with locking members moving outwards into engagement with the undercut portion. The anchoring section has a head on the inner end of an oblong fixing bolt, and two or more of the locking members(34) round the bolt are short sleeve sectors attached at their inner ends to the head. Their rear ends towards the mouth of the hole swing radially outwards, and are pre-loaded into the outer anchoring position. The bolt can be arranged to screw into the head, while its outer end can have a spanner head.</p> |
