VEHICLE POWER SEAT ADJUSTER WITH SELF-ALIGNING LEAD SCREW ACTUATOR

摘要

A power seat adjuster (10) includes a rotatable drive shaft (36) with first and second axial ends (116, 118) and an intermediate arcuate portion (120) connecting the first and second axial ends (116, 118). The first and second axial ends (116, 118) are respectively axially connected to a drive motor gear assembly (38) and to a driven lead screw (132). A housing (131) rotatably receives the axial connection between one end of the drive shaft (36) and the lead screw (132). A drive nut (190) is rotatably and translatingly mounted in a bracket (192) fixed to an upper track (52) for self-alignment of a drive shaft (28) with a lead screw (188).