| 摘要 |
PURPOSE:To enable the disposition of a pretensioner in an appropriate dead space by connecting a webbing to a winding means provided with non-return mechanism through a guide means for changing the elongated direction of the webbing. CONSTITUTION:This buckle pretensioner is disposed at the lower part of a seat and connected to a buckle B equipped on the inner side of the seat so as to provide a shoulder belt S and a lap belt L with pre-tension by pulling a webbing W. The webbing W is connected to a winding means 3 provided with non-return mechanism through a guide means 1 for changing the elongated direction of the webbing W. The guide means 1 having a cylindrical guide rod 12 is fitted at a vehicle body in such a way as to be longitudinally tiltable in relation to the seat in a specifid angle range. The webbing W with its tip fixed at the lower part of the buckle B passes inside a boot B1 and a hole 11 provided at the guide means 1 and reaches the winding means 3, and its base end is fixed at a shaft 32 so as to be wound around it. |
