| 摘要 |
PURPOSE:To prevent the unpleasant feeling of restraint at the time of a crew member being restrained, by arranging so that a proper slackening amount may be given to a seat belt after the abnormal slack and pulling condition of the seat belt has been released, when the abnormal slack condition and pulling condition of a lap belt portion have been detected. CONSTITUTION:The 1st, 2nd belt retractors 12, 13 which contain respectively motors 11, and which house one end portion side and the other end portion side of a seat belt 4 so as to be able to be wound away and wound back, are equipped. Also, a switch 16 which is equipped with the function of the 1st detecting means detecting the abnormal slackening condition of a lap belt portion 4b, and which is equipped with the function of the 2nd detecting means detecting the pulling condition of a lap belt portion 4b, by means of the turning displacement of an anchor 15 supported turnably at the strong member of a car body on the left side of a seat, is provided And when this switch 16 has detected the abnormal slackening condition and pulling condition of the lap belt portion, respective belt retractors 12, 13 are controlled so that a proper slack amount may be given to the seat belt 4 after its abnormal condition has been released. |
