| 摘要 |
PROBLEM TO BE SOLVED: To provide a seat belt device of a vehicle which enables a lap pretensioner to be installed on a door while preventing interference between a cylinder and a door panel and excessive stress exerted on the cylinder.SOLUTION: A seat belt device of a vehicle includes: a door which opens and closes an entrance; a retractor 25 provided at the door; an anchor part 32 provided at the door and fixing a tip part of a seat belt 33; and a lap pretensioner 39 disposed between a tip part of the seat belt and the anchor part. The lap pretensioner includes: a cylinder 45 where the one end side is fixed to the anchor part and the other end side extends along the door; a piston which is housed in the cylinder and may displace in a pull-in direction of the seat belt; and relay members 55, 59 which are disposed at one end part of the cylinder, connected with the tip part of the seat belt, and transmit displacement of the piston to the seat belt. The cylinder includes a vibration suppression part 60 which suppresses vibrations of the cylinder occurring in an opening/closing direction of the door. |
