| 摘要 |
<p>A seat belt retractor (10) is provided with a spindle (12) around which a seat belt (B) is wound, a torsion bar (17) having axial one end which is joined to axial one end of the spindle (12) and mounted in a cavity (27) in the spindle (12), a first pretensioner (16) joined to the spindle (12) at least in a collision and rotating the spindle (12) in a take-up direction by gas pressure, and a second pretensioner (18) joined to axial the other end of the torsion bar (17) at least in a collision and rotating via the torsion bar (17) by gas pressure the spindle (12) in the take-up direction.</p> |
