| 摘要 |
PROBLEM TO BE SOLVED: To provide a buckle device capable of reducing resistance applied at the time of locking a tongue to a buckle main body by an energizing member and making dissociation force at the time of detaching the tongue from the buckle main body small. SOLUTION: This device is provided with the tongue and the buckle main body for engaging and disengaging the tongue. Then, the buckle main body is provided with a base 11, a latch plate 14 supported by the base 11 capable of locking the tongue, a guide pin 17 for controlling the movement of the latch plate 14 and a coil spring 15 for energizing the latch plate 14 in a tongue locking direction by energizing the guide pin 17 to a locking position when the latch plate 14 locks the tongue and energizing the latch plate 14 to a tongue unlocking direction by energizing the guide pin 17 to an unlocking position when the latch plate 14 unlocks the tongue and returns to a tongue unlocking position. |
