| 摘要 |
PURPOSE:To facilitate attachment and detachment and to prevent connecting ability from deteriorating even when attachment and detachment are repeated by providing a projection to a plug, and forming a groove which guides the projection in an inserting direction and then guiding it at right angles to the inserting direction. CONSTITUTION:The projection 112 is provided to the plug 11 fitted to an end part of a plastic fiber 113 and the groove 121 which guides the projection 112 in the inserting direction firstly and then guides it at right angles to the inserting direction is formed in a receptacle 12; and the plug 11 is inserted into the receptacle 12 and then rotated circumferentially to make the plug 11 and receptacle 12 together.
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