ACCELERATION SENSOR AND SEAT BELT RETRACTOR
PROBLEM TO BE SOLVED: To dispose a sensor lever at a correct position, and to stably actuate an acceleration sensor.SOLUTION: Shafts 42A and 42B of a sensor lever 40 are projected out from a base portion 48. The sensor lever 40 is supported so as to be able to rotate between supporting portions 34A...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To dispose a sensor lever at a correct position, and to stably actuate an acceleration sensor.SOLUTION: Shafts 42A and 42B of a sensor lever 40 are projected out from a base portion 48. The sensor lever 40 is supported so as to be able to rotate between supporting portions 34A and 34B of a sensor holder 30 and move in a rotary axis direction S, and is rotated by the displacement of an inertial body 27. A regulating portion 36 of the sensor holder 30 is contacted with contact portions 45A and 45B of the sensor lever 40. When the sensor lever 40 moves in the rotary axis direction S, the movement of the sensor lever 40 is regulated by the regulating portion 36, and the base portion 48 and the supporting portions 34A and 34B are not contacted with each other.SELECTED DRAWING: Figure 21
【課題】センサーレバーを正確な位置に配置し、加速度センサーを安定して作動させる。【解決手段】センサーレバー40の軸42A、42Bは、基部48から突出する。センサーレバー40は、センサーホルダー30の支持部34A、34Bの間で回転可能に、かつ、回転軸方向Sに移動可能に支持され、慣性体27の変位により回転する。センサーホルダー30の規制部36は、センサーレバー40の接触部45A、45Bに接触する。センサーレバー40が回転軸方向Sに移動したときに、センサーレバー40の移動が規制部36により規制されて、基部48と支持部34A、34Bとが接触しない。【選択図】 図21 |
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