发明名称 |
THREADED CEILING HOOK WITH ANTI-ROTATION WASHER |
摘要 |
A ceiling hook (H) comprises a fastener (F) for anchoring in a support structure, and a locking ring in the form of an anti-rotation washer (W). Th e washer (W) includes anchoring teeth (34) for stationarily mounting the washe r (W) to the ceiling. The hook member (12) and the washer (W) comprise co- operating locking ratchet elements (22, 28) for locking the fastener (F) to the washer (W) and thus preventing the fastener (F) from loosening from the ceiling. The washer (W) defines at a central opening (30) thereof at least o ne notch (32) with the fastener (F) defining at least one tab with (26), the notch (32) being slidable through the tab (26) for mounting the washer (W) t o the fastener (F) and then allowing it to rotate between the tab (26) and the hook member (12), whereby the washer (W) is prevented from being removed fro m the fastener (F) unless the tab (26) and notch (32) are aligned.
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申请公布号 |
CA2385885(A1) |
申请公布日期 |
2001.04.05 |
申请号 |
CA20002385885 |
申请日期 |
2000.09.27 |
申请人 |
COBRA FIXATIONS CIE LTEE - COBRA ANCHORS CO. LTD. |
发明人 |
BOUCHARD, ANDRE;VILLAGRASA, MICHEL;MCDUFF, PIERRE R.;MCSHERRY, THOMAS W.;NGUYEN-HUU, LANG |
分类号 |
F16B39/24;F16B39/32;(IPC1-7):F16B39/24;E04D3/36 |
主分类号 |
F16B39/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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