| 摘要 |
PROBLEM TO BE SOLVED: To make sensibilty sharpe (to make a static lock angle small) in the case where a car body wholly inclines, even if an acceleration sensor device is constituted to be able to alter its own posture to a car body. SOLUTION: A bracket 28 is rotatably supported to a housing fixed to a car body side, and a sensor ball 30 which is inertially moved according to acceleration acting on a vehicle for driving an output member is mounted on a ball support part 60 formed in the truncated cone shape of the bracket 28, and the bracket 28 is rotated by a weight 26 provided on the bracket 28 and made to take a fixed posture, and a braking means is operated by a cam member 154 interlocked with a spool shaft having a wound webbing to rotatably release the bracket 28 in the state of the housed webbing and to check the relative rotation of the bracket 28 to the housing in a state where the webbing is drawn out and used. |
