| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a seat belt device for a vehicle capable of properly controlling the winding of a belt. <P>SOLUTION: This seat belt device 1 for the vehicle comprises: a belt reel 14 for wrapping the belt 5 therearound; a rotation detection device 14 and a winding position detection part 51 for detecting the rotating position of the belt reel 14; a motor 10 for rotatingly driving the belt reel 14 by transmitting a driving force to the belt reel 14; a clutch for engaging and disengaging the transmission of the driving force between the motor 10 and the belt reel 14; and a treatment device 46 for controlling the electrification amount to the motor 10 and the clutch. The control device 46 comprises a return amount detection part 52 for releasing the connection of the motor and the belt reel by the clutch after the motor 10 is driven with a predetermined current 10 and measuring the return amount of the belt reel 14 in the drawing direction according to the rotating position of the belt reel 14 detected by a rotation detection device 24 and the winding position detection part 51 after the release of the connection of the motor and the belt reel by the clutch. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
