| 摘要 |
<p>The claw (2) has two parallel vertical wings whose ends are provided with teeth (2'), where the claw is mounted on a support (1') of a body of a semi-recessed household electrical apparatus (1) by a threaded stop block (5). The support has vertical grooves formed on both sides of the block to receive the wings, where depth of the grooves is slightly larger than the thickness of the wings with the teeth.</p> |
