| 摘要 |
The strap has two parts working in inter-relationship. Firstly a male cylindrical part (1) comprising an anchoring hole (7), a screw thread (4), a conical truncated/rounded-off part (8-5) to the base, an unhooking part (6) between the screw and cone, and two opposed mouths 180 degrees apart on the vertical sides (3). Secondly, a female part (2) in pipe form comprises a screw thread and a conical truncated part (8). It is rounded off to the base (5) and has externally a part so that it can be closed together. USE - For straps used in mountaineering and caving. |
