| 摘要 |
An anchored tie-down ring that mounts in or on a concrete surface to which a movable object can be secured. One embodiment includes a generally U-shaped ring with a hollow cylindrical crossbar that sits within a cavity in a block mounted flush with a concrete surface. One end of each of a pair of legs fits into the crossbar and acts as a bearing on which the ring pivots. The legs extend through the block into the concrete as an anchor. Another embodiment includes a generally U-shaped ring that is pivotally mounted in a block. Anchor bolts extend through holes in the block into the concrete surface. A rounded cover is secured to the block, denying access to the anchor bolts, and includes a cavity so that the ring lays horizontally within the cover when not in use.
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