| 摘要 |
PROBLEM TO BE SOLVED: To provide a power seat truck which includes a nut member and a screw bar causing neither looseness nor abnormal noise. SOLUTION: The nut member 16 includes a bracket 16B; a nut member body 16A lying within the bracket 16B and having a female screw hole 16D into which the screw bar 20 is screwed; and an elastic damper 16C disposed between the inner surface of the bracket 16B and the outer surface of the nut member body 16A. The power seat truck includes a stopper mechanism for regulating the amount of elastic deformation in an upper rail movement direction of the damper 16C. COPYRIGHT: (C)2011,JPO&INPIT |
