| 摘要 |
The anchor device includes a ring mounted to a first end of a rod or tube for receiving the end of a safety rope, a mounting for securing the anchor device to a building element, and a locking nut for engaging a threaded portion of the rod or tube at a second end of the rod or tube, where the locking nut includes a non-threaded sleeve which extends around a portion of the rod or tube and which deforms when a load applied to the ring exceeds a predetermined value.
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