| 摘要 |
PROBLEM TO BE SOLVED: To provide a metal pin for accessories, which can be easily removed. SOLUTION: A joint member comprises a body 6 with a U-shaped hook 7 formed on the leading end, a rotary member 10 which is rotatably installed on the body 6 to open and close the hole of the hook 7 and a spring 8 which biases the leading end of the rotary member 10 to press it against the hook. When the hole of the hook is closed, near and inside the contact point P a wedgy space 12 which is narrowed toward the contact point P is formed, while, when a member to be joined inserted into the wedgy space 12 is moved toward the contact point, force is generated resisting the biasing force of the spring 8 applied on the rotary member 10.
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