| 摘要 |
A connection resistance (Ra) caused by a seal (50) reaches a maximum at earlier than a resistance force of an inertial locking means acts. Thus, a total connection resistance (R) created during a connecting operation (10, 20) after the cancellation of inertial locking is reduced by the connection resistance (Ra) caused by the seal (50). Thus, a difference between the operation force (F) required to cancel the resistance of resistance arms (34) and the total connection resistance (F) created after the cancellation of this resistance becomes larger, thereby improving the reliability of an inertial locking function of continuing the connecting operation at a stroke.
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