Title:
METHOD FOR MANUFACTURING STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/161869
Kind Code:
A1
Abstract:
In the present invention, after an adjusting screw 77 is screwed in, a cylindrical part 76 of a rack retainer storage part 64 and the adjusting screw 77 are caulked and fixed such that a plastic deformation region resulting from caulking straddles both a female screw part 76s of the cylindrical part 76 and a male screw part 77s of the adjusting screw 77, and the adjusting screw 77 is loosened so as to reduce the screwing-in amount of the adjusting screw 77 to a point where a set load, which is the force by which a rack retainer 11 urges a rack bar 1, falls within a predetermined range, thereby adjusting the urging force. After the set load adjusting step, the caulking step is not performed again, which makes it possible to prevent fluctuations in the set load associated with the impact of caulking work after the set load adjusting step. Thus, it is possible to suppress fluctuations in the urging force of the rack retainer applied to the rack bar caused by caulking work which stops rotation between a rack retainer accommodation part and the adjusting screw.
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Inventors:
WANG QIXIANG (JP)
YOSHIDA OSAMU (JP)
YOSHIDA OSAMU (JP)
Application Number:
PCT/JP2021/003911
Publication Date:
August 19, 2021
Filing Date:
February 03, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F16B39/02; B62D3/12; B62D5/04; F16H19/04
Foreign References:
| JP2013199158A | 2013-10-03 | |||
| JP2012220013A | 2012-11-12 | |||
| JP2016128311A | 2016-07-14 | |||
| JP2013152015A | 2013-08-08 | |||
| US20090249902A1 | 2009-10-08 |
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
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