| 摘要 |
Disclosed is a seat belt pretensioner which includes: a weaving wire connected to a buckle wherein a seat belt supporting a user is contained; a tube wherein a driving unit and an end are connected to the weaving wire and another end extends to the outside, and a piston moved by a driving force is included; a sliding device which is installed on the upper portion of the outer surface of the tube, and has a guide member formed to hold the weaving wire and a rail wherein the guide member slides; a sliding wire with an end connected to the guide member of the sliding device and another end connected to the extended end of the piston to pull the guide member in the moving direction of the piston which is moved when the driving power is provided to move the weaving wire by the guide member. |
