KR102936954B1 - 랙 바 및 스티어링 장치 - Google Patents

랙 바 및 스티어링 장치

Info

Publication number
KR102936954B1
KR102936954B1 KR1020247002423A KR20247002423A KR102936954B1 KR 102936954 B1 KR102936954 B1 KR 102936954B1 KR 1020247002423 A KR1020247002423 A KR 1020247002423A KR 20247002423 A KR20247002423 A KR 20247002423A KR 102936954 B1 KR102936954 B1 KR 102936954B1
Authority
KR
South Korea
Prior art keywords
tooth
shortest
tooth bottom
rack
general
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
KR1020247002423A
Other languages
English (en)
Korean (ko)
Other versions
KR20240024970A (ko
Inventor
신이치 야마나카
다이스케 하마나카
노리히로 기무라
게이스케 기타무라
Original Assignee
아스테모 가부시키가이샤
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 아스테모 가부시키가이샤 filed Critical 아스테모 가부시키가이샤
Publication of KR20240024970A publication Critical patent/KR20240024970A/ko
Application granted granted Critical
Publication of KR102936954B1 publication Critical patent/KR102936954B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces
    • 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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Gears, Cams (AREA)
KR1020247002423A 2021-09-13 2022-07-07 랙 바 및 스티어링 장치 Active KR102936954B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2021-148485 2021-09-13
JP2021148485 2021-09-13
PCT/JP2022/026909 WO2023037743A1 (ja) 2021-09-13 2022-07-07 ラックバー及びステアリング装置

Publications (2)

Publication Number Publication Date
KR20240024970A KR20240024970A (ko) 2024-02-26
KR102936954B1 true KR102936954B1 (ko) 2026-03-09

Family

ID=85506421

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247002423A Active KR102936954B1 (ko) 2021-09-13 2022-07-07 랙 바 및 스티어링 장치

Country Status (6)

Country Link
US (1) US20240375170A1 (https=)
JP (1) JP7652911B2 (https=)
KR (1) KR102936954B1 (https=)
CN (1) CN117916035A (https=)
DE (1) DE112022004402T5 (https=)
WO (1) WO2023037743A1 (https=)

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773268A (en) * 1980-10-27 1982-05-07 Nippon Seiko Kk Back of rack-and-pinion type steering device
JPS5773269A (en) * 1980-10-27 1982-05-07 Nippon Seiko Kk Rack of rack and pinion steering gear
JPS59104237A (ja) * 1982-12-06 1984-06-16 Jidosha Kiki Co Ltd 鍛造用粗材の成形方法
JPH03138042A (ja) * 1989-10-23 1991-06-12 I S Seiki Kk 自動車などのステアリング装置のステアリングラック
DE10258807A1 (de) * 2002-12-17 2004-07-15 Zf Lenksysteme Gmbh Zahnstangenlenkgetriebe, insbesondere für eine Servolenkung
DE102010036609B4 (de) * 2010-07-26 2016-08-11 Thyssenkrupp Presta Aktiengesellschaft Gesenk zum Schmieden eines eine Verzahnung aufweisenden Abschnitts einer Zahnstange einer Lenkvorrichtung
CN102730051A (zh) * 2011-03-31 2012-10-17 本田技研工业株式会社 车辆用转向装置
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
JP5954579B2 (ja) * 2012-08-31 2016-07-20 日立オートモティブシステムズ株式会社 ラックバーの製造方法、ラックバー及び電動パワーステアリング装置
JP6150119B2 (ja) * 2013-07-22 2017-06-21 株式会社ジェイテクト ラックブッシュ
JP6202109B2 (ja) * 2014-01-22 2017-09-27 日本精工株式会社 ステアリング用ラック、操舵装置、自動車、及び、ステアリング用ラックの製造方法、操舵装置の製造方法、自動車の製造方法
DE112015003883T5 (de) * 2014-08-25 2017-05-11 Hitachi Automotive Systems, Ltd. Zahnstange und Verfahren zum Herstellen der Zahnstange
JP2016179475A (ja) * 2015-03-23 2016-10-13 高周波熱錬株式会社 ラックバー及びラックバーの製造方法
JP6202061B2 (ja) * 2015-08-25 2017-09-27 日本精工株式会社 ラック及びその製造方法、操舵装置及びその製造方法、並びに、自動車及びその製造方法
CN107848018B (zh) * 2015-09-03 2019-08-09 日本精工株式会社 齿条轴及其制造方法
JP2017056479A (ja) * 2015-09-17 2017-03-23 株式会社ジェイテクト ラック軸の製造方法
JP2018047473A (ja) * 2016-09-20 2018-03-29 日立オートモティブシステムズ株式会社 ラックバーの製造方法
JP2018144701A (ja) * 2017-03-07 2018-09-20 株式会社ジェイテクト ラックガイド装置
JP2019218967A (ja) * 2018-06-15 2019-12-26 日本精工株式会社 ラック軸、ステアリング装置、及びラック軸の製造方法
JP2020192681A (ja) 2020-08-14 2020-12-03 高周波熱錬株式会社 ラックバーの製造方法
JP7786342B2 (ja) * 2022-11-17 2025-12-16 豊田合成株式会社 自動車用加飾製品

Also Published As

Publication number Publication date
JPWO2023037743A1 (https=) 2023-03-16
JP7652911B2 (ja) 2025-03-27
DE112022004402T5 (de) 2024-08-14
WO2023037743A1 (ja) 2023-03-16
KR20240024970A (ko) 2024-02-26
US20240375170A1 (en) 2024-11-14
CN117916035A (zh) 2024-04-19

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