| 摘要 |
PROBLEM TO BE SOLVED: To provide a belt tensioner, which can be installed in a limited space in a vehicle and applies tension in an operation, for a three-point support vehicle seat belt device. SOLUTION: A belt tensioner for a three-point support, vehicle seat belt device is provided with a belt webbing 16, a belt retractor 10 serving as the first fixing point, a belt buckle 14 serving as the second fixing point, an end part mounting apparatus 18 serving as the third fixing point, and a tensioner driving device 20 applying tension in the operation. For providing varied storage capacity even if a usable space is limited in a vehicle interior, the tensioner driving device 20 is engaged with a belt part positioned between the belt buckle 14, which is adjacent to the end part mounting apparatus 18, and the end part mounting apparatus 18, or engaged with the end part mounting apparatus 18. |
