| 摘要 |
The present invention relates to an electric power steering device which improves the responsiveness of a rack bar. For this the present invention comprises a ball nut part joined to the rack bar using a ball thread; a driven pulley joined to the bolt nut part to deliver the power of a motor; and a bearing part which is engaged and rotated with the bolt nut part and is fixed to a gear housing to support the ball nut part. [Reference numerals] (70) Motor |
