| 摘要 |
Snap hook for use in climbing, pot holing or similar activities, comprising a main section (1) in the general shape of a C and an arm (2) mounted pivotally about a pin (3) carried by the main section. The end of the main section (1) and of the arm (2) are shaped to complement each other, male and female respectively, the male part being T-shaped in transverse section, the female part (9) being of a corresponding shape; the two parts, male and female, are within the volume of revolution of the sections comprising the snap hook, and there is a peripheral clearance not only laterally, but also longitudinally between the two parts. |
