JPH0349453U - - Google Patents

Info

Publication number
JPH0349453U
JPH0349453U JP1989110385U JP11038589U JPH0349453U JP H0349453 U JPH0349453 U JP H0349453U JP 1989110385 U JP1989110385 U JP 1989110385U JP 11038589 U JP11038589 U JP 11038589U JP H0349453 U JPH0349453 U JP H0349453U
Authority
JP
Japan
Prior art keywords
plunger
reservoir chamber
rod
chamber
sealed
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.)
Pending
Application number
JP1989110385U
Other languages
English (en)
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 JP1989110385U priority Critical patent/JPH0349453U/ja
Priority to DE4027171A priority patent/DE4027171C2/de
Priority to US07/583,312 priority patent/US5104359A/en
Publication of JPH0349453U publication Critical patent/JPH0349453U/ja
Pending 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
    • F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
    • F16H7/1209—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means
    • F16H7/1236—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means of the fluid and restriction type, e.g. dashpot
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/0848—Means for varying tension of belts, ropes, or chains with means for impeding reverse motion
    • F16H2007/0859—Check valves
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0889—Path of movement of the finally actuated member
    • F16H2007/0891—Linear path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例を示すオートテンシヨ
ナを装着したエンジンベルトのレイアウトを示す
側面図、第２図ａは本考案の実施例を示すオート
テンシヨナの縦断面図、第２図ｂは第２図ａのＡ
〜Ａ断面図、第３図ａは第２図ａにおける要部の
拡大断面図、第３図ｂは第３図ａのＢ矢視図、第
４図及び第５図は第３図ａと異なる実施例を示す
断面図、第６図は従来のオートテンシヨナの１例
を示す縦断面図である。 図の主要部分の説明、１……ボデー、２……プ
ランジヤ、３……ピストン、４，５……シール材
、６……スナツプ、８……ボール、９，１０，１
３……スプリング、１８……圧力室、１９……リ
ザーバ室、２１……ロツド、２２……頂面、２３
……底面、２４……ガイド部材、２５……プラン
ジヤの頂面、２６……当り部、２７，２８，２９
……オイル通路、３０……逆止弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 開口端を持つボデー内に摺動自在に嵌合され、
    該ボデー底部の圧力室に一端が面し、他端側のリ
    ザーバ室に向けて付勢されたプランジヤ、前記ボ
    デーの開口端から突出しアイドラからの力を受け
    るロツド、該ロツドとシール材を介してシールさ
    れ、前記ボデー内に別のシール材を介して摺動自
    在に嵌入されると共に、一端が前記リザーバ室に
    面し、かつ該リザーバ室に向けて付勢されたピス
    トン、前記リザーバ室から圧力室へのオイルの流
    入は許すが、その逆流は許さない逆止弁を有する
    プランジヤに設けられたオイル通路とを有し、前
    記圧力室とリザーバ室にオイルを密封してなる密
    封式オートテンシヨナにおいて、前記ロツドの下
    端部外周に、ボデー内周面を摺動可能であるが、
    ボデーの内周面に固定されたスナツプで上方への
    移動が阻止されるガイド部材を圧入により固定し
    、かつ該ロツド下部の底面と前記プランジヤの頂
    面が中心部で点接触してなることを特徴とするオ
    ートテンシヨナ。
JP1989110385U 1989-09-22 1989-09-22 Pending JPH0349453U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1989110385U JPH0349453U (ja) 1989-09-22 1989-09-22
DE4027171A DE4027171C2 (de) 1989-09-22 1990-08-28 Riemenspannvorrichtung
US07/583,312 US5104359A (en) 1989-09-22 1990-09-17 Tensioner with reduced rattling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989110385U JPH0349453U (ja) 1989-09-22 1989-09-22

Publications (1)

Publication Number Publication Date
JPH0349453U true JPH0349453U (ja) 1991-05-14

Family

ID=14534467

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989110385U Pending JPH0349453U (ja) 1989-09-22 1989-09-22

Country Status (3)

Country Link
US (1) US5104359A (ja)
JP (1) JPH0349453U (ja)
DE (1) DE4027171C2 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3274767B2 (ja) * 1994-07-26 2002-04-15 エヌティエヌ株式会社 油圧式オートテンショナ
JP3411101B2 (ja) * 1994-08-31 2003-05-26 日本精工株式会社 オートテンショナ
US6199673B1 (en) 1998-10-22 2001-03-13 Illinois Tool Works Inc. Silent damper with anti-rattle shaft
EP1004792A3 (en) 1998-11-24 2003-01-15 Illinois Tool Works Inc. Direct mount snap-in air damper
DE102007018961A1 (de) * 2007-04-21 2008-10-23 Bayerische Motoren Werke Aktiengesellschaft Hydraulische Spanneinrichtung für ein Zugmittelgetriebe
DE102008016654B4 (de) * 2008-04-01 2019-02-21 Elringklinger Ag Autark-Kettenspanner mit Doppeldichtring
JP2013204767A (ja) * 2012-03-29 2013-10-07 Ntn Corp 油圧式オートテンショナ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120949A (ja) * 1986-11-06 1988-05-25 Aisin Seiki Co Ltd フリ−ピストン型オ−トテンシヨナ
JPH01141952U (ja) * 1988-03-24 1989-09-28
JPH0454356Y2 (ja) * 1988-07-14 1992-12-21
JPH0246159U (ja) * 1988-09-27 1990-03-29

Also Published As

Publication number Publication date
US5104359A (en) 1992-04-14
DE4027171C2 (de) 1995-06-22
DE4027171A1 (de) 1991-04-04

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