| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a vehicular seat belt device capable of ensuring occupant crash protective performance in a head-on collision, and enhancing occupant crash protective performance in a side impact. <P>SOLUTION: The vehicular seat belt device 30 a seat belt 31 for constraining a seated occupant Ma, a motor 43 for a shoulder belt of a pre-tensioner 42 for winding a slacked portion of a shoulder belt part 32 of the seat belt in an emergency, a motor 62 for a lap belt of the pre-tensioner 61 for winding the slacked portion of a lap belt part 33 of the seat belt in an emergency, and a control unit 101 for controlling the drive of these motors. When detecting an impact from the front side on a vehicle 10, the control unit controls the drive of both motors 43, 62 so as to wind the slacked portions of the belt parts 32, 33. When detecting the impact from the side on the vehicle, only the motor for the shoulder belt is drive-controlled so as to wind the slacked portion of the shoulder belt part. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
