| 摘要 |
PURPOSE: A vehicle seat moving device is provided for the smooth moving of a seat by minimizing the axial clearance and the lateral movement of the lead screw the improvement of productivity through simple assembling process. CONSTITUTION: A vehicle seat moving device comprises a gear box(30), a lead screw(40), and a lead nut assembly(50). The gear box accommodates a worm gear(31) and a worm wheel(32). The lead screw comprises a male thread(40a) on the exterior and is rotated with the worm wheel. The lead nut assembly comprises an outer cover(51) and an inner nut(52). The inner nut prevents the clearance between the outer cover and the inner nut by being manufactured through an insert-injection molding.
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