| 摘要 |
A seat belt retractor has a belt reel rotatably mounted in a frame. A blocking means blocks rotation of a blockable part of the belt reel and a belt webbing carrier on the belt reel that is substantially drum-shaped. The belt webbing carrier is associated with a rotor that is in rotary drive connection with the belt webbing carrier. Upon rotation of the rotor the volumes of at least two chambers filled with a free-flowing medium are varied, and the chambers rotate about the axis of rotation of the belt reels. The free-flowing medium flows in each case from a chamber diminishing in volume into a chamber increasing in volume.
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