| 摘要 |
A power sliding apparatus for a seat of the present invention includes a lower rail, an upper rail supporting a seat mounted thereon and engaged with the lower rail so as to be movable relative to each other, a screw equipped to one of the lower rail and the upper rail, a driving unit for driving the screw to be rotated so as to move the upper rail relative to the lower rail, a first rack provided at the other one of the lower rail and the upper rail and engaged with the screw having a predetermined clearance therebetween, and a second rack provided at the other one of the lower rail and the upper rail and engaged with the screw in contact therewith.
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