| 摘要 |
The present pretensioner includes a cylinder (43), a piston (44) that moves inside the cylinder, and a gas generator (45) that moves the piston by supplying a gas into an expansion chamber (49) inside the cylinder. The gas generator is arranged inside the piston. A first cable (40A) to move a movable member M of a vehicle seat is coupled to the piston and a second cable (40B) to move the movable member is coupled to the cylinder.
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