Title:
ラック軸及びステアリング装置
Document Type and Number:
Japanese Patent JP6528482
Kind Code:
B2
Abstract:
A rack shaft (13) 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 (131) that mesh with a pinion (7A); a ball screw portion having no rack tooth; an ineffective rack tooth (134) 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 (135) 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 (134).
Inventors:
Kuniaki Mitsui
Ryota Inagaki
Ryota Inagaki
Application Number:
JP2015053322A
Publication Date:
June 12, 2019
Filing Date:
March 17, 2015
Export Citation:
Assignee:
JTEKT Corporation
International Classes:
F16H55/26; B21K1/76; B62D3/12; F16H19/04
Domestic Patent References:
| JP3138042A | ||||
| JP201479770A |
Foreign References:
| WO2014132770A1 |
Attorney, Agent or Firm:
Kobayashi Osamu
Kiichi Yamamoto
Kimura Gunji
Kiichi Yamamoto
Kimura Gunji