| 摘要 |
A buckle device including: a device main body into which is inserted a tongue plate provided at a webbing belt; a locking mechanism having a latch which is provided within the device main body so as to be engageable with the tongue plate when the tongue plate is inserted in the device main body, the locking mechanism restricting pulling-out of the tongue plate; a first detecting mechanism detecting the tongue plate which has been inserted in the device main body, and outputting a first detection signal; a second detecting mechanism detecting a position of the latch, and outputting a second detection signal; and a judging mechanism connected to the first detecting mechanism and the second detecting mechanism.
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