JP5957309B2 - ラックバー及びラックバー形成用歯型 - Google Patents

ラックバー及びラックバー形成用歯型 Download PDF

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Publication number
JP5957309B2
JP5957309B2 JP2012139551A JP2012139551A JP5957309B2 JP 5957309 B2 JP5957309 B2 JP 5957309B2 JP 2012139551 A JP2012139551 A JP 2012139551A JP 2012139551 A JP2012139551 A JP 2012139551A JP 5957309 B2 JP5957309 B2 JP 5957309B2
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JP
Japan
Prior art keywords
tooth
rack
transfer
region
pinion gear
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.)
Active
Application number
JP2012139551A
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English (en)
Japanese (ja)
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JP2014005838A (ja
JP2014005838A5 (enExample
Inventor
聖人 野村
聖人 野村
崇 山脇
崇 山脇
亮介 鈴木
亮介 鈴木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neturen Co Ltd
Original Assignee
Neturen Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Neturen Co Ltd filed Critical Neturen Co Ltd
Priority to JP2012139551A priority Critical patent/JP5957309B2/ja
Priority to US13/923,022 priority patent/US9316294B2/en
Priority to CN201310250352.8A priority patent/CN103506544B/zh
Priority to EP13173256.2A priority patent/EP2676864B1/en
Publication of JP2014005838A publication Critical patent/JP2014005838A/ja
Publication of JP2014005838A5 publication Critical patent/JP2014005838A5/ja
Priority to US15/067,788 priority patent/US10060518B2/en
Application granted granted Critical
Publication of JP5957309B2 publication Critical patent/JP5957309B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D3/00—Steering gears
    • B62D3/02—Steering gears mechanical
    • B62D3/12—Steering gears mechanical of rack-and-pinion type
    • B62D3/126—Steering gears mechanical of rack-and-pinion type characterised by the rack
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/14—Construction providing resilience or vibration-damping
    • F16H55/16—Construction providing resilience or vibration-damping relating to teeth only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/26—Racks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B21K1/767—Toothed racks
    • B21K1/768—Toothed racks hollow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/1967—Rack and pinion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Gears, Cams (AREA)
  • Transmission Devices (AREA)
  • Forging (AREA)
JP2012139551A 2012-06-21 2012-06-21 ラックバー及びラックバー形成用歯型 Active JP5957309B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2012139551A JP5957309B2 (ja) 2012-06-21 2012-06-21 ラックバー及びラックバー形成用歯型
US13/923,022 US9316294B2 (en) 2012-06-21 2013-06-20 Rack bar and rack bar teeth forming die
CN201310250352.8A CN103506544B (zh) 2012-06-21 2013-06-21 齿条和齿条齿成形模具
EP13173256.2A EP2676864B1 (en) 2012-06-21 2013-06-21 Rack bar and rack bar teeth forming die
US15/067,788 US10060518B2 (en) 2012-06-21 2016-03-11 Rack bar and rack bar teeth forming die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012139551A JP5957309B2 (ja) 2012-06-21 2012-06-21 ラックバー及びラックバー形成用歯型

Publications (3)

Publication Number Publication Date
JP2014005838A JP2014005838A (ja) 2014-01-16
JP2014005838A5 JP2014005838A5 (enExample) 2015-07-30
JP5957309B2 true JP5957309B2 (ja) 2016-07-27

Family

ID=48745659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012139551A Active JP5957309B2 (ja) 2012-06-21 2012-06-21 ラックバー及びラックバー形成用歯型

Country Status (4)

Country Link
US (2) US9316294B2 (enExample)
EP (1) EP2676864B1 (enExample)
JP (1) JP5957309B2 (enExample)
CN (1) CN103506544B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5957309B2 (ja) * 2012-06-21 2016-07-27 高周波熱錬株式会社 ラックバー及びラックバー形成用歯型
JP6444139B2 (ja) * 2014-11-06 2018-12-26 株式会社ジェイテクト ステアリング装置
US10982747B2 (en) * 2017-12-15 2021-04-20 Steering Solutions Ip Holding Corporation Steering system having an adjustment assembly
CN109305217B (zh) * 2018-09-10 2024-09-24 安徽德孚转向系统股份有限公司 电动助力转向系统
US11027767B2 (en) * 2018-11-30 2021-06-08 Steering Solutions Ip Holding Corporation Steering system rack with stepped portion

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1632923A (en) * 1925-03-11 1927-06-21 Alfred F Sanford Mechanism for converting motion
US2682760A (en) * 1950-04-18 1954-07-06 American Flexible Coupling Com Gear coupling
JPS55140147U (enExample) * 1979-03-28 1980-10-06
JPS55140147A (en) 1979-04-19 1980-11-01 Nippon Kokan Kk <Nkk> Supersonic flaw detection for steel pipe
JPS57103969A (en) * 1980-12-20 1982-06-28 Johnan Seisakusho Co Ltd Synthetic resin tape-like rack
GB2132513B (en) * 1982-12-31 1985-12-11 Cam Gears Ltd A method of forming a rack member
JPS59209421A (ja) * 1983-05-02 1984-11-28 Kokan Kako Kk パイプを素材とするラツクバ−の製造方法
US4793219A (en) * 1986-05-22 1988-12-27 Colt Industries Operating Corporation Method of manufacturing non-slip thread rolling dies
JPH02247020A (ja) * 1990-02-21 1990-10-02 Masanobu Nakamura ラックバーの製造方法
US5069080A (en) * 1990-03-08 1991-12-03 Simon Joseph A Elongated, lightweight rack
US6000267A (en) * 1997-02-25 1999-12-14 Koyo Seiko Co., Ltd. Process for fabrication of rack shaft and fabrication machine therefor
JPH11139326A (ja) * 1997-11-10 1999-05-25 Koyo Seiko Co Ltd 電動パワーステアリング装置
JP2000202569A (ja) * 1999-01-11 2000-07-25 Trw Automotive Japan Kk 中空ラック軸の製造方法
JP4224157B2 (ja) * 1999-01-11 2009-02-12 高周波熱錬株式会社 中空ラック軸の製造方法
JP3607205B2 (ja) 2000-02-14 2005-01-05 株式会社幸伸技研 中空ラックバー製造方法及び中空ラックバー
US6588293B2 (en) * 2000-04-14 2003-07-08 Nsk Ltd. Hollow rack shaft
JP4168590B2 (ja) * 2000-12-18 2008-10-22 日本精工株式会社 中空ラック軸製造方法
JP4414688B2 (ja) * 2003-06-26 2010-02-10 株式会社ジェイテクト 歯車機構
WO2005028141A1 (en) * 2003-09-23 2005-03-31 Bishop Innovation Limited Composite steering rack
US20070125148A1 (en) * 2003-11-07 2007-06-07 Juergen Dohmann Method and apparatus for forging gear teeth
US7950153B2 (en) * 2005-03-23 2011-05-31 Bishop Innovation Limited Method of manufacturing a steering rack
JP2007024296A (ja) * 2005-07-21 2007-02-01 Kyocera Mita Corp 歯車および歯車機構
JP4810974B2 (ja) * 2005-11-04 2011-11-09 日本精工株式会社 ラック・ピニオン式ステアリング装置の製造方法
JP4817911B2 (ja) 2006-03-23 2011-11-16 高周波熱錬株式会社 中空管製品の鍛造成形方法
JP4919495B2 (ja) * 2007-03-23 2012-04-18 株式会社エンプラス 樹脂製やまば歯車
JP4919497B2 (ja) * 2007-03-26 2012-04-18 株式会社エンプラス 樹脂製歯車
JP5215717B2 (ja) * 2008-04-23 2013-06-19 高周波熱錬株式会社 ラックバー及びステアリング装置
JP5759093B2 (ja) * 2008-04-23 2015-08-05 高周波熱錬株式会社 ラックバー及びステアリング装置
JP3155682U (ja) * 2009-09-15 2009-11-26 大岡技研株式会社 変速機用歯車
JP2011121103A (ja) * 2009-12-14 2011-06-23 Jtekt Corp 中空ラック軸の製造方法及び中空ラック軸
BR112012028730A2 (pt) * 2010-05-10 2016-07-19 Bishop Steering Technology Pty Ltd aparelho de molde para forjamento de uma cremalheira de direção a partir de uma barra e método para manufaturar uma cremalheira de direção a partir de uma barra de aço
CN103038548B (zh) * 2010-06-21 2017-04-26 大冈技研株式会社 自由曲面齿轮
US8578807B2 (en) * 2011-04-21 2013-11-12 The Penn State Research Foundation High speed gear sized and configured to reduce windage loss
US9199662B2 (en) * 2011-04-25 2015-12-01 Nsk Ltd Rack and pinion steering gear unit
JP5957309B2 (ja) * 2012-06-21 2016-07-27 高周波熱錬株式会社 ラックバー及びラックバー形成用歯型
JP6063652B2 (ja) * 2012-06-21 2017-01-18 高周波熱錬株式会社 中空ラックバーの製造方法
US9492897B2 (en) * 2013-07-01 2016-11-15 Jtekt Corporation Blank and method of manufacturing rack shaft using the same

Also Published As

Publication number Publication date
EP2676864A2 (en) 2013-12-25
CN103506544A (zh) 2014-01-15
JP2014005838A (ja) 2014-01-16
US20160195181A1 (en) 2016-07-07
US10060518B2 (en) 2018-08-28
US20140083223A1 (en) 2014-03-27
EP2676864A3 (en) 2016-03-23
CN103506544B (zh) 2015-10-21
EP2676864B1 (en) 2017-08-30
US9316294B2 (en) 2016-04-19

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