| 摘要 |
There is provided a worm speed reduction apparatus (17) comprising a worm shaft (19) and a worm wheel (20) meshed therewith. Rolling elements (33,34) are rotatably disposed between a raceway groove (26,27) formed directly in at least one of end portions (22,23) of the worm shaft (19), and a bearing outer ring (31,32) held by a housing (28). The worm shaft (19) is directly supported by the rolling elements (33,34) (Fig. 2). The invention also relates to an electric power steering apparatus comprising this worm speed reduction apparatus. <IMAGE> |
