| 发明名称 |
RACK SHAFT AND STEERING SYSTEM |
| 摘要 |
A rack shaft of the present invention includes: an effective rack tooth row formed by plastic deformation of a shaft member and having a plurality of rack teeth that mesh with a pinion; a ball screw portion having no rack tooth; an ineffective rack tooth that is formed between the effective rack tooth row and the ball screw portion and that does not mesh with the pinion; and a padding portion that extends from an end of the ball screw portion toward the ineffective rack tooth and that covers at least a part of the ineffective rack tooth. |
| 申请公布号 |
US2016273641(A1) |
申请公布日期 |
2016.09.22 |
| 申请号 |
US201615067534 |
申请日期 |
2016.03.11 |
| 申请人 |
JTEKT CORPORATION |
发明人 |
MITSUI Kuniaki;INAGAKI Ryota |
| 分类号 |
F16H55/26;B62D3/12 |
主分类号 |
F16H55/26 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A rack shaft, comprising:
an effective rack tooth row formed by plastic deformation of a shaft member and having a plurality of effective rack teeth that mesh with a pinion; a non-rack tooth portion having no rack tooth; an ineffective rack tooth that is formed between the effective rack tooth row and the non-rack tooth portion and that does not mesh with the pinion; and a padding portion that extends from an end of the non-rack tooth portion toward the ineffective rack tooth and that covers at least a part of the ineffective rack tooth. |
| 地址 |
Osaka JP |
