JPH0359547U - - Google Patents

Info

Publication number
JPH0359547U
JPH0359547U JP1989119250U JP11925089U JPH0359547U JP H0359547 U JPH0359547 U JP H0359547U JP 1989119250 U JP1989119250 U JP 1989119250U JP 11925089 U JP11925089 U JP 11925089U JP H0359547 U JPH0359547 U JP H0359547U
Authority
JP
Japan
Prior art keywords
ball
rows
screw shaft
nut
raceway grooves
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
JP1989119250U
Other languages
English (en)
Other versions
JPH0629554Y2 (ja
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 filed Critical
Priority to JP1989119250U priority Critical patent/JPH0629554Y2/ja
Priority to US07/478,561 priority patent/US5069088A/en
Publication of JPH0359547U publication Critical patent/JPH0359547U/ja
Application granted granted Critical
Publication of JPH0629554Y2 publication Critical patent/JPH0629554Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
    • F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
    • F16H25/2223—Cross over deflectors between adjacent thread turns, e.g. S-form deflectors connecting neighbouring threads
    • 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
    • Y10T74/19698—Spiral
    • Y10T74/19702—Screw and nut
    • Y10T74/19744—Rolling element engaging thread
    • Y10T74/19749—Recirculating rolling elements
    • Y10T74/19767—Return path geometry
    • Y10T74/19772—Rolling element deflector
    • 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
    • Y10T74/19949—Teeth
    • Y10T74/19953—Worm and helical

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Description

【図面の簡単な説明】
第１図は本願ボールねじのナツトを軸方向に縦
断しねじ軸上のボール移動を示す部分断面図であ
る。第２図は本願ボールねじの正面図である。第
３図乃至第５図は従来例（特開昭６３−５７９５
６号）の第９図乃至第１１図は略図にして参考に
添付したものであり、本願の対象ではない。第４
図は第３図の−線に沿つたナツトの断面図、
第５図は第３図の−線に沿つた横断面図
である。 １……ナツト、２……ナツト側軌道溝、２′…
…ナツト中空内周面、３……ボール、３−１……
負荷ボール、３−２……無負荷ボール、４……ボ
ールねじ軸、５……ねじ軸側軌道溝、５−１……
ボール負荷螺旋軌道浅溝、５−２……ボール無負
荷螺旋軌道深溝、６……インサート、７……イン
サート挿入孔、Ａ……ボール負荷路、Ｂ……ボー
ル無負荷路、Ｃ……方向転換路、６０……出口端
部、７０……入口端部。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 円筒形軸部材の円周上に長手方向平行な往
    復二条列の螺旋状軌道溝５を、同長手軸に関し各
    条列それぞれを傾斜して設けたボールねじ軸部材
    ４と、該ボールねじ軸４を軸方向可動的に挿入受
    容する中空円筒形の外筒ナツト部材１であつて、
    その中空内周面２′に上記二条列のねじ軸側軌道
    溝５に対応する同ピツチの二条列軌道溝２を形成
    すると共に、該二条列軌道溝の両端部を連通する
    ボール方向転換路Ｃを設けてボール無限循環路を
    形成し、上記ボールねじ軸４外周と上記ナツト内
    周面２′にそれぞれ設けた対応する軌道溝５，２
    間に多数のボールを挿入してなるボールねじにお
    いて、上記二条列のねじ軸側軌道溝５の内の一条
    列は浅い溝を有する負荷螺旋軌道溝５−１を、そ
    して他の条列は同一寸法ではあるが深い溝を有す
    る無負荷螺旋軌道溝５−２を構成し、上記ナツト
    側軌道溝２は両条列に亘りその溝深さ及び形状が
    均一であり；上記ねじ軸側負荷軌道溝５−１及び
    上記ねじ軸側無負荷軌道溝５−２が各々対応する
    ナツト側軌道溝２と間にボールを介して同一ピツ
    チで対向し、外筒ナツト部材１およびボールねじ
    軸２のそれぞれの長手軸に関して斜行する複数条
    列のボール負荷路Ａ及びボール無負荷路Ｂを交互
    に形成したことを特徴とするボールねじ。 (2) 二条列のナツト側軌道溝２の両端を連通す
    るボール方向転換路Ｃは、外筒ナツト部材１の両
    端部に左右一対のインサート６−１，６−２とし
    て嵌め込み式に構成され、該左右一対のインサー
    ト６−１，６−２の位置をねじ軸中心線上から０
    より大きくずらせて形成する上記１項記載のボー
    ルねじ。
JP1989119250U 1989-10-13 1989-10-13 ボールねじ Expired - Lifetime JPH0629554Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1989119250U JPH0629554Y2 (ja) 1989-10-13 1989-10-13 ボールねじ
US07/478,561 US5069088A (en) 1989-10-13 1990-02-12 Linear motion ball bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989119250U JPH0629554Y2 (ja) 1989-10-13 1989-10-13 ボールねじ

Publications (2)

Publication Number Publication Date
JPH0359547U true JPH0359547U (ja) 1991-06-12
JPH0629554Y2 JPH0629554Y2 (ja) 1994-08-10

Family

ID=14756680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989119250U Expired - Lifetime JPH0629554Y2 (ja) 1989-10-13 1989-10-13 ボールねじ

Country Status (2)

Country Link
US (1) US5069088A (ja)
JP (1) JPH0629554Y2 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006037343A (ja) * 2004-07-22 2006-02-09 U-Shin Showa Ltd 破壊防止型シリンダ錠
JP2008014417A (ja) * 2006-07-06 2008-01-24 Ntn Corp 自動車用ボールねじ
JP2008298107A (ja) * 2007-05-29 2008-12-11 Ntn Corp ボールねじおよびこれを備えた電動リニアアクチュエータ
JP4730770B2 (ja) * 2005-08-17 2011-07-20 Ｎｔｎ株式会社 ボールねじ

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353902A (en) * 1992-06-16 1994-10-11 Dana Corporation Electric actuator assembly for clutch
US5388475A (en) * 1993-09-15 1995-02-14 Beaver Precision Products Ball nut and method of manufacturing same
US7520193B2 (en) * 2006-03-06 2009-04-21 Hiwin Technologies Corp. Ball screw assembly
DE102008042299A1 (de) * 2008-09-23 2010-04-01 Robert Bosch Gmbh Schraubgetriebe
DE102010034488A1 (de) * 2010-08-17 2012-02-23 Schaeffler Technologies Gmbh & Co. Kg Kugelgewindetrieb mit mehreren Gewindegängen
DE102013208441B4 (de) * 2013-05-08 2023-08-17 Robert Bosch Gmbh Kugelgewindetrieb
DE102013219987A1 (de) * 2013-10-02 2015-04-02 Zf Lenksysteme Gmbh Lenkung für ein Kraftfahrzeug

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833156A (en) * 1954-08-23 1958-05-06 Cleveland Pneumatic Tool Co Ball screw
US2833157A (en) * 1954-12-22 1958-05-06 Cleveland Pneumatic Tool Co Ball retainer for ball screws
US3902377A (en) * 1973-10-23 1975-09-02 Tech Integrale Ball screw and nut mechanism
FR2249578A5 (ja) * 1973-10-30 1975-05-23 Tech Integrale
GB2002086B (en) * 1977-08-04 1982-02-03 Lucas Industries Ltd Screw and nut mechanism
DE3628802A1 (de) * 1986-08-25 1988-03-03 Deckel Ag Friedrich Kugelrueckfuehrung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006037343A (ja) * 2004-07-22 2006-02-09 U-Shin Showa Ltd 破壊防止型シリンダ錠
JP4730770B2 (ja) * 2005-08-17 2011-07-20 Ｎｔｎ株式会社 ボールねじ
JP2008014417A (ja) * 2006-07-06 2008-01-24 Ntn Corp 自動車用ボールねじ
JP4679451B2 (ja) * 2006-07-06 2011-04-27 Ｎｔｎ株式会社 自動車用ボールねじ
JP2008298107A (ja) * 2007-05-29 2008-12-11 Ntn Corp ボールねじおよびこれを備えた電動リニアアクチュエータ

Also Published As

Publication number Publication date
JPH0629554Y2 (ja) 1994-08-10
US5069088A (en) 1991-12-03

Similar Documents

Publication Publication Date Title
US4444443A (en) Unlimited sliding ball bearing spline assembly
JPH0359547U (ja)
JP4475442B2 (ja) ローラねじおよびローラねじのローラ配列方法
US6619845B2 (en) Roller retainer, direct-acting guide device and roller screw using the roller retainer
KR20040002653A (ko) 순환 부재, 이 순환 부재를 구비한 운동 안내 장치 및 이순환 부재를 구비한 볼 나사
JP2000314420A (ja) 直線運動装置用スペーサおよびそのスペーサを用いた直線運動装置
JPH0343156U (ja)
JPH0526044B2 (ja)
JPS6266024U (ja)
JPS61157826A (ja) ボ−ルスプライン軸受
JP2005188720A (ja) ボールスプライン
JPH0536092Y2 (ja)
JPS6411466U (ja)
JPH025145Y2 (ja)
JPS6177418U (ja)
JPS5923120A (ja) 直動玉軸受
US4541674A (en) Linear motion roller bearing
JPH0571445U (ja) リニアベアリングのボール保持器
JPS5939208Y2 (ja) 無限摺動用ボ−ルスプライン
JPS58169246U (ja) ボ−ルねじ
JPS6121420A (ja) 直線運動軸受
JPH0456215U (ja)
JPS61193229U (ja)
JP4666436B2 (ja) リニアアクチュエータ
JPS6412929U (ja)