| 摘要 |
The invention relates to an ice piton intended to provide the mountaineer with a safe temporary anchoring point. It consists of a tubular cylindrical bar 1 comprising a ring 2 welded to one end and a bevel 4 for facilitating penetration into the ice. The retention teeth 3 (or spines) are formed by a plurality of raised designs remaining after machining of a bar with a polygonal cross-section. The invention is particularly useful to mountaineers when advancing and for their safety <IMAGE>
|
