| 摘要 |
PCT No. PCT/FR86/00394 Sec. 371 Date Jul. 7, 1988 Sec. 102(e) Date Jul. 7, 1988 PCT Filed Nov. 21, 1986 PCT Pub. No. WO88/03826 PCT Pub. Date Jun. 2, 1988.A snap hook for use in climbing, pot holing or similar activities, comprising a C-shaped body and an arm mounted pivotally about a pin positioned in the body. An end of the body and of the arm are complimentary shaped parts, male and female, respectively, the male part being T-shaped in a transverse section, the female part being of a complimentary shape; the two parts, male and female, are within the circumference of sections comprising the snap hook; and there is a peripheral clearance laterally and longitudinally between the two parts.
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