| 摘要 |
A shoulder belt positional adjustment device for a seatbelt comprises a belt anchor adapted to loosely receive a shoulder belt, an anchor support block for supporting the belt anchor, a guide rail for slidably holding the anchor support block, and a screw shaft extending along the longitudinal axis of the guide rail and threaded with the anchor support block, whereby the screw shaft is rotated to move the anchor support block along the guide rail. The anchor support block has a nut element threaded on the screw shaft, and a slider slidably mounted to the guide rail. The nut element and the slider are so engaged as to move together. A resilient member is disposed among the nut element, the slider and the guide rail to resiliently contact the nut element, the slider and the guide rail.
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