CPC B60R 22/201 (2013.01) [B60R 22/26 (2013.01)] | 20 Claims |
1. A pre-tensioner for a seat belt, the pre-tensioner comprising:
a housing;
a wire coupled to the housing;
an anchor or a buckle coupled to another end opposite to one end of the wire fastened to the housing;
a carrier disposed on a first surface of the housing;
a fixing member connected to the carrier;
a first pulley disposed in a first zone of the first surface of the housing;
a second pulley disposed in a second zone of the first surface opposite to the first zone with respect to the carrier;
a driving unit having at least a portion coupled to the second pulley; and
a belt disposed to mesh with the first pulley, the second pulley, and the carrier.
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