| 摘要 |
In order to fasten a housing (13) in a cutout (11) in a wall (10), at least one bayonet-lock part (15), which is formed from a screw-bolt (16), a locking bar (18), which is screwed thereon, and a compression spring (24), is guided on the housing (13). The screw-bolt (16) engages through a flange (14) on the housing (13), and the compression spring (24), which is seated between the flange (14) and the locking bar (18), presses the flanks of the thread of the screw-bolt (16) and the locking bar (18) towards one another and, consequently, the locking bar (18) can be pivoted out of a rest position in a niche (25) in the housing (13) into a locking position. <IMAGE>
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