摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem wherein a Y-type rack of a rack and pinion type steering device has a large pressure angle and a large component of force in the axial direction, leading to increase in wear of a rack back face brought into contact with a rack guide depending on conditions, and thus, provide a rack and pinion type steering device reducing wear of a Y-type rack shaft and a rack guide and having good steering performance. <P>SOLUTION: The rack and pinion type steering device includes a roller 20 pressing and supporting the Y-type rack shaft 4 engaged with a pinion on the pinion, and the back face of the Y-type rack shaft 4 has a curved face and is supported by the roller 20. <P>COPYRIGHT: (C)2012,JPO&INPIT |