| 摘要 |
PURPOSE: A suspender type seat belt for a vehicle is provided to prevent the concentration of stress on part of a passenger body and to prevent seat belts from twisting by employing a double fastening structure using belt fastening holes and a twist prevention holes. CONSTITUTION: A seat belt for a vehicle comprises a pair of belts(210,210a), a fastening unit, and a retractor(110). The belts are installed vertically and separate from each other on the front side of a seat back(102). The fastening unit secures the belts in place. The retractor includes a body coupled with a drum with a backstop serration, a ball coupled with a control shaft, a ball housing for seating the ball, and an operation lever with a pole which is locked or released at the serration according to the up-and-down motion of the control shaft.
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