JP2006131047A5 - - Google Patents

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Publication number
JP2006131047A5
JP2006131047A5 JP2004320978A JP2004320978A JP2006131047A5 JP 2006131047 A5 JP2006131047 A5 JP 2006131047A5 JP 2004320978 A JP2004320978 A JP 2004320978A JP 2004320978 A JP2004320978 A JP 2004320978A JP 2006131047 A5 JP2006131047 A5 JP 2006131047A5
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JP
Japan
Prior art keywords
steering
steering apparatus
shaft
less
vickers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2004320978A
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Japanese (ja)
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JP2006131047A (en
JP4548095B2 (en
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Publication date
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Priority to JP2004320978A priority Critical patent/JP4548095B2/en
Priority claimed from JP2004320978A external-priority patent/JP4548095B2/en
Publication of JP2006131047A publication Critical patent/JP2006131047A/en
Publication of JP2006131047A5 publication Critical patent/JP2006131047A5/ja
Application granted granted Critical
Publication of JP4548095B2 publication Critical patent/JP4548095B2/en
Active legal-status Critical Current
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Claims (5)

ステアリングホイールの回転をステアリングギヤに伝達するステアリングシャフトが、Ｈをビッカース硬さ（ＨＶ）、ＹＳを降伏強度（ＭＰａ）としたとき、下記の式によって算出される降伏係数ＫＶが１４００以上で、ビッカース硬さＨがＨＶ２５０以下の鋼材で成形されていることを特徴とするステアリング装置。
ＫＶ＝（Ｈ＋ＹＳ２）／Ｈ When the steering shaft that transmits the rotation of the steering wheel to the steering gear has H as Vickers hardness (HV) and YS as yield strength (MPa), the yield coefficient KV calculated by the following formula is 1400 or more, and Vickers A steering device characterized by being formed of a steel material having a hardness H of HV250 or less.
KV = (H + YS 2 ) / H 請求項１に記載されたステアリング装置において、
上記ステアリングシャフトは中空のパイプ材で成形されていること
を特徴とするステアリング装置。 The steering apparatus according to claim 1, wherein
A steering apparatus, wherein the steering shaft is formed of a hollow pipe material. 請求項２に記載されたステアリング装置において、
上記ステアリングシャフトのパイプ材は溶接鋼管であること
を特徴とするステアリング装置。 The steering apparatus according to claim 2, wherein
Steering system pipe of the steering shaft, characterized in Oh Rukoto in welded steel pipe. 請求項３に記載されたステアリング装置において、
上記降伏係数ＫＶが１５００以上であること
を特徴とするステアリング装置。 In the steering apparatus according to claim 3,
A steering apparatus, wherein the yield coefficient KV is 1500 or more. 請求項４に記載されたステアリング装置において、
上記ビッカース硬さＨがＨＶ２３０以下であること
を特徴とするステアリング装置。 The steering apparatus according to claim 4, wherein
A steering apparatus, wherein the Vickers hardness H is HV230 or less.
JP2004320978A 2004-11-04 2004-11-04 Steering device Active JP4548095B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004320978A JP4548095B2 (en) 2004-11-04 2004-11-04 Steering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004320978A JP4548095B2 (en) 2004-11-04 2004-11-04 Steering device

Publications (3)

Publication Number Publication Date
JP2006131047A JP2006131047A (en) 2006-05-25
JP2006131047A5 true JP2006131047A5 (en) 2007-12-13
JP4548095B2 JP4548095B2 (en) 2010-09-22

Family

ID=36724979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004320978A Active JP4548095B2 (en) 2004-11-04 2004-11-04 Steering device

Country Status (1)

Country Link
JP (1) JP4548095B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015064344A1 (en) * 2013-10-31 2015-05-07 日本精工株式会社 Steering device
EP2990300B1 (en) 2013-10-31 2017-05-10 NSK Ltd. Steering device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11247835A (en) * 1998-03-04 1999-09-14 Nippon Seiko Kk Hollow steering shaft, its manufacture, and tool for manufacturing hollow steering shaft
JP3888865B2 (en) * 2000-10-25 2007-03-07 株式会社ゴーシュー Forging method

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