| 摘要 |
<p>An inertial device is provided for location in a road vehicle independently of a seat belt retractor, and is arranged to actuate the locking mechanism of the retractor in response to a predetermined acceleration. The device may be operable in response to application of the vehicle brakes. The device may be associated with more than one seat belt and may be held electrically against a spring bias in the locked position, for release on sensing the predetermined acceleration.</p> |
