Title:
ラックバーの製造方法
Document Type and Number:
Japanese Patent JP6539569
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enhance shape accuracy of a rack bar made by joining a second bar member to a first bar member having a tooth part constituted of a plurality of rack teeth formed therein.SOLUTION: One end part in a shaft direction of a second bar member 12 with a larger diameter than a diameter of a first bar member 11 is joined to one end part in a shaft direction of the first bar member 11 having a first tooth part 20 constituted of a plurality of rack teeth formed at one part in the shaft direction thereof. At least part in the shaft direction of the second bar member 12 joined to the first bar member 11 is formed concentrically with the first bar member 11 by outer diameter cutting processing, and at the part subjected to the outer diameter cutting processing of the second bar member 12 is formed a second tooth part 21 constituted of a plurality of rack teeth.SELECTED DRAWING: Figure 2
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Inventors:
Saint Nomura
Takashi Yamawaki
Ryosuke Suzuki
Takashi Yamawaki
Ryosuke Suzuki
Application Number:
JP2015217044A
Publication Date:
July 03, 2019
Filing Date:
November 04, 2015
Export Citation:
Assignee:
Neturen Co., Ltd.
International Classes:
F16H55/26; B23F5/12; B23K20/12; B62D3/12; F16H19/04
Domestic Patent References:
| JP2017225980A | ||||
| JP2017090001A | ||||
| JP2006144944A | ||||
| JP2005247163A | ||||
| JP10263851A | ||||
| JP60141415A | ||||
| JP60040810U | ||||
| JP2014124767A | ||||
| JP2014234882A | ||||
| JP2017082811A |
Attorney, Agent or Firm:
Patent Business Corporation Koei Patent Office
Takeshi Takamatsu
Toshiyuki Ozawa
Takeshi Takamatsu
Toshiyuki Ozawa