| 摘要 |
<p>The present invention relates to a safety anchor device for limiting the movement of a person or arresting a fall of a person working at height, and in particular to an inflatable safety anchor device that may be positioned on a roof or other high point and then inflated with a liquid such as tap water to provide a dead-weight anchor device. A deadweight anchor device 1 for securing a line to a person working at height comprises an attachment 38 for a line 2 that is provided on a top surface 11 of a flexible walled container 4. The container has an internal volume 6 that is inflated in use with a quantity of water 8 to provide an anchoring deadweight and subsequently deflated by letting said quantity of water escape from the container when not in use. The container 4 has a plurality of flexible walls 10-19, including a pair of walls 10, 11 that are internally connected by drop threads 28 that limit the separation between said pair of walls when the internal volume is inflated by said quantity of water 8.</p> |
