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1. WO2022050306 - STEERING SHAFT AND METHOD FOR MANUFACTURING STEERING SHAFT

Publication Number WO/2022/050306
Publication Date 10.03.2022
International Application No. PCT/JP2021/032109
International Filing Date 01.09.2021
IPC
F16D 3/06 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
3Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
02adapted to specific functions
06specially adapted to allow axial displacement
B62D 1/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
DMOTOR VEHICLES; TRAILERS
1Steering controls, i.e. means for initiating a change of direction of the vehicle
02vehicle-mounted
F16D 1/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
1Couplings for rigidly connecting two coaxial shafts or other movable machine elements
02for connecting two abutting shafts or the like
CPC
B62D 1/02
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
DMOTOR VEHICLES; TRAILERS
1Steering controls, i.e. means for initiating a change of direction of the vehicle
02vehicle-mounted
F16D 1/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
1Couplings for rigidly connecting two coaxial shafts or other movable machine elements
02for connecting two abutting shafts or the like
F16D 3/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
3Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
02adapted to specific functions
06specially adapted to allow axial displacement
Applicants
  • 日本精工株式会社 NSK Ltd. [JP]/[JP]
Inventors
  • 森山 誠一 MORIYAMA, Seiichi
  • 狩野 哲也 KANOU, Tetsuya
Agents
  • 特許業務法人酒井国際特許事務所 SAKAI INTERNATIONAL PATENT OFFICE
Priority Data
2020-14726402.09.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) STEERING SHAFT AND METHOD FOR MANUFACTURING STEERING SHAFT
(FR) ARBRE DE DIRECTION ET PROCÉDÉ DE FABRICATION D'UN ARBRE DE DIRECTION
(JA) ステアリングシャフト及びステアリングシャフトの製造方法
Abstract
(EN) A steering shaft comprising an inner shaft having a first toothed portion, an outer shaft having a second toothed portion, and a resin layer. The resin layer has a plurality of thick film parts and at least four thin film parts. The thick film parts are arranged with a gap with respect to the second toothed portion, and the thin film parts are in contact with both the first toothed portion and the second toothed portion. The thickness of the thin film part is smaller than the thickness of the thick film part in a cross-section perpendicular to the center axis of the inner shaft.
(FR) La présente invention concerne un arbre de direction comprenant un arbre interne ayant une première partie dentée, un arbre externe ayant une seconde partie dentée, et une couche de résine. La couche de résine a une pluralité de parties de film épais et au moins quatre parties de film mince. Les parties de film épais sont agencées avec un espace par rapport à la seconde partie dentée, et les parties de film mince sont en contact à la fois avec la première partie dentée et la seconde partie dentée. L'épaisseur de la partie de film mince est inférieure à l'épaisseur de la partie de film épais dans une section transversale perpendiculaire à l'axe central de l'arbre interne.
(JA) ステアリングシャフトは、第1歯部を有するインナーシャフトと、第2歯部を有するアウターシャフトと、樹脂層と、を備える。樹脂層は、複数の厚膜部分と、少なくとも4つの薄膜部分と、を有する。厚膜部分は、第2歯部に対して隙間を空けて配置され、薄膜部分は、第1歯部及び第2歯部の両方に接する。インナーシャフトの中心軸に対する直交断面において、薄膜部分の厚さは、厚膜部分の厚さよりも小さい。
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