Patent ID: 6832782
Filing Date: 2004-12-21
Classification: B60R

Abstract:
A pretensioner device provided at a first end portion of a webbing having a shoulder webbing portion and a lap webbing portion for restraining a vehicle occupant whose second end portion is anchored to a single retractor having a single take-up shaft that is rotated when one or both of the shoulder or lap webbing portions is freely taken-up and pulled out, the pretensioner device tensing the webbing for restraining a vehicle occupant in a direction of restraining a vehicle occupant at a time of rapid deceleration of a vehicle, the pretensioner device comprising:a webbing for tensing which is connected to the first end portion of the webbing for restraining a vehicle occupant and whose width is narrower than a width of the webbing for restraining a vehicle occupant; a spool at which a free end portion of the webbing for tensing is anchored, and which rotates and can take-up the webbing for tensing; and a driving device that positively and forcefully rotates the spool in a direction of taking-up the webbing for tensing at a time of rapid deceleration of the vehicle.