Title:
パワーステアリング装置及びこれを備えるステアリング装置
Document Type and Number:
Japanese Patent JP6616670
Kind Code:
B2
Abstract:
A power steering device 100 includes: a steering shaft 2 that rotates under a steering torque input from the steering wheel 1; an electric motor 30 that applies a rotation torque for assisting the steering torque to the steering shaft 2; and a speed reduction unit 40 that decelerates the rotation of the electric motor 30 and transmits the decelerated rotation to the steering shaft 2. The steering shaft 2 includes a serration portion 14 and a tapered portion 15. One of a pinion gear 21 and a pitman arm 25 of the turning mechanism 20 is selectively coupled to the serration portion 14 by serration. The tapered portion 15 positions the pinion gear 21 in the radial direction by coming into contact with the pinion gear 21.
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Inventors:
Tetsuro Shimizu
Application Number:
JP2015225577A
Publication Date:
December 04, 2019
Filing Date:
November 18, 2015
Export Citation:
Assignee:
KYB Corporation
International Classes:
B62D5/04; B62D3/12; B62D7/08; F16D1/02; F16D1/06
Domestic Patent References:
| JP2008201180A | ||||
| JP2009001243A | ||||
| JP2006224718A | ||||
| JP4212673A | ||||
| JP60151177A | ||||
| JP2010084893A | ||||
| JP2039840U | ||||
| JP2007038728A |
Foreign References:
| US20140305731 | ||||
| WO2010131975A1 |
Attorney, Agent or Firm:
Goto Patent Office
Masaki Goto
Masaaki Iida
Atsushi Sudo
Akioka Norihiro
Masaki Goto
Masaaki Iida
Atsushi Sudo
Akioka Norihiro