JPH0385742U - - Google Patents
Info
- Publication number
- JPH0385742U JPH0385742U JP1989143582U JP14358289U JPH0385742U JP H0385742 U JPH0385742 U JP H0385742U JP 1989143582 U JP1989143582 U JP 1989143582U JP 14358289 U JP14358289 U JP 14358289U JP H0385742 U JPH0385742 U JP H0385742U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- diaphragm
- sealed
- piston rod
- chamber
- 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
Links
- 239000000428 dust Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
-
- 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
-
- 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
- F16H2007/0802—Actuators for final output members
- F16H2007/0806—Compression coil springs
-
- 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
- F16H2007/0802—Actuators for final output members
- F16H2007/0812—Fluid pressure
-
- 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
- F16H2007/0876—Control or adjustment of actuators
- F16H2007/0878—Disabling during transport
-
- 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
-
- 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
- F16H7/0829—Means for varying tension of belts, ropes or chains with vibration damping means
- F16H7/0836—Means for varying tension of belts, ropes or chains with vibration damping means of the fluid and restriction type, e.g. dashpot
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
図面は本考案の実施例を示し、第1図はテンシ
ヨナの長手方向断面図、第2図は第1図の右側面
図、第3図はコイルスプリングの斜視図、第4図
はキヤツプの斜視図、第5図はダストシールの斜
視図、第6図はダイヤフラム押えの変形例を示す
テンシヨナの断面図である。 10……歯付ベルト用テンシヨナ、11……ダ
イヤフラム、12……円筒状部分、13,13′
……ダイヤフラム押え、14……キヤツプ、15
……平坦部、16……D形孔、18……ダストシ
ール、20……シリンダ、21……ピストンロツ
ド、23……圧縮ばね、24……ピストン、30
……油路、31……ピストン前室、32……ピス
トン後室、40……コイルスプリング。
ヨナの長手方向断面図、第2図は第1図の右側面
図、第3図はコイルスプリングの斜視図、第4図
はキヤツプの斜視図、第5図はダストシールの斜
視図、第6図はダイヤフラム押えの変形例を示す
テンシヨナの断面図である。 10……歯付ベルト用テンシヨナ、11……ダ
イヤフラム、12……円筒状部分、13,13′
……ダイヤフラム押え、14……キヤツプ、15
……平坦部、16……D形孔、18……ダストシ
ール、20……シリンダ、21……ピストンロツ
ド、23……圧縮ばね、24……ピストン、30
……油路、31……ピストン前室、32……ピス
トン後室、40……コイルスプリング。
Claims (1)
- 【実用新案登録請求の範囲】 (1) 油を充填したシリンダ内に小間隙をもつて
遊嵌され前記シリンダをピストン前室と後椎に分
けるピストンにピストンロツドが固定され、該ロ
ツドにばねにより突出力が付与され、前記ピスト
ン前室とピストン後室とを連通する油路にピスト
ン後室への油の流入を許す逆止弁が設けられ、前
記ピストン前室が前記シリンダと前記ピストンロ
ツドに各々端部を固定したダイヤフラムによつて
密封され、前記突出力により歯付ベルトに張力を
加えるダイヤフラム密封式テンシヨナにおいて、 前記ピストンロツドに環状溝を設け、該溝に前
記ダイヤフラムの一端を嵌め込んだことを特徴と
する、 ダイヤフラム密封式テンシヨナ。 (2) 前記ダイヤフラムの一端は、前記ピストン
前室内においてコイルスプリングにより前記溝に
固定されている、請求項1記載のダイヤフラム密
封式テンシヨナ。 (3) 前記ピストンロツドの先端に平坦部を設け
該先端に適合するD形孔を設けたキヤツプにより
前記ピストンロツドの回転を阻止するようにした
、請求項1又は2記載のダイヤフラム密封式テン
シヨナ。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989143582U JPH0385742U (ja) | 1989-12-14 | 1989-12-14 | |
| EP90313565A EP0433065A1 (en) | 1989-12-14 | 1990-12-13 | Diaphragm seal type tensioner |
| US07/626,734 US5073149A (en) | 1989-12-14 | 1990-12-13 | Diaphragm seal type tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989143582U JPH0385742U (ja) | 1989-12-14 | 1989-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0385742U true JPH0385742U (ja) | 1991-08-29 |
Family
ID=15342091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989143582U Pending JPH0385742U (ja) | 1989-12-14 | 1989-12-14 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5073149A (ja) |
| EP (1) | EP0433065A1 (ja) |
| JP (1) | JPH0385742U (ja) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2507172Y2 (ja) * | 1990-05-31 | 1996-08-14 | 株式会社椿本チエイン | 逆止弁を具えた歯付ベルト用テンショナ |
| JPH0536159U (ja) * | 1991-10-21 | 1993-05-18 | 株式会社椿本チエイン | リークダウン値の温度補正機能を具えた歯付ベルト用テンシヨナ |
| US5366415A (en) * | 1993-03-12 | 1994-11-22 | Eaton Corporation | Hydraulic belt tensioner |
| US5304099A (en) * | 1993-03-12 | 1994-04-19 | Eaton Corporation | Hydraulic chain tensioner |
| JP2540947Y2 (ja) * | 1993-06-29 | 1997-07-09 | 株式会社椿本チエイン | 歯付きベルト用オイル式テンショナ |
| JP3009605B2 (ja) * | 1995-04-28 | 2000-02-14 | 株式会社椿本チエイン | 油圧式テンショナ |
| US5720684A (en) * | 1995-09-06 | 1998-02-24 | Borg-Warner Automotive, Inc. | Hydraulic tensioner with internal pressure relief |
| US5628701A (en) * | 1995-12-08 | 1997-05-13 | Borg-Warner Automotive, Inc. | Hydraulic tensioner with sealing element |
| US5755471A (en) * | 1996-02-16 | 1998-05-26 | Micron Electronics, Inc. | Actuator stem and actuator design having a D-shaped cross-section |
| US6883780B2 (en) * | 1998-10-09 | 2005-04-26 | Swagelok Company | Sanitary diaphragm valve |
| US6394417B1 (en) | 1998-10-09 | 2002-05-28 | Swagelok Co. | Sanitary diaphragm valve |
| US6578691B1 (en) | 2001-04-13 | 2003-06-17 | Mach Iii Clutch, Inc. | Ultra-low stiction torque transfer device |
| US6867383B1 (en) | 2003-03-28 | 2005-03-15 | Little Giant Pump Company | Liquid level assembly with diaphragm seal |
| DE102008016654B4 (de) * | 2008-04-01 | 2019-02-21 | Elringklinger Ag | Autark-Kettenspanner mit Doppeldichtring |
| TWM381544U (en) * | 2009-10-28 | 2010-06-01 | Gongshun Technology Co Ltd | Vehicle belt tension adjuster |
| JP6539564B2 (ja) * | 2015-10-26 | 2019-07-03 | Ntn株式会社 | 油圧式オートテンショナ |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1333181C (en) * | 1985-01-10 | 1994-11-22 | Hidemi Sugiura | Plastic boots and method of manufacturing the same |
| US4708696A (en) * | 1985-08-30 | 1987-11-24 | Tsubakimoto Chain Co. | Tensioner for toothed drive belts |
| JPH0430445Y2 (ja) * | 1985-09-09 | 1992-07-22 | ||
| JPH0432519Y2 (ja) * | 1986-05-24 | 1992-08-05 | ||
| 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 |
| JPS63145859A (ja) * | 1986-12-08 | 1988-06-17 | Aisin Seiki Co Ltd | 密封式オ−トテンシヨナ |
| DE8804668U1 (de) * | 1987-05-27 | 1988-06-30 | Audi AG, 8070 Ingolstadt | Spannelement für eine Zahnriemen-Spannvorrichtung |
| DE3741860A1 (de) * | 1987-12-10 | 1989-06-22 | Schaeffler Waelzlager Kg | Spannvorrichtung fuer einen riemen |
| IT214081Z2 (it) * | 1988-01-25 | 1990-04-02 | Fiat Auto Spa | Soffietto di materiale elastomero per la protezione degli snodi dei tiranti laterali di sterzo di un autoveicolo |
| GB2221279B (en) * | 1988-07-22 | 1992-07-29 | Ntn Toyo Bearing Co Ltd | Belt autotensioner |
| JP2510338Y2 (ja) * | 1988-10-18 | 1996-09-11 | エヌティエヌ 株式会社 | ベルトのオ−トテンショナ |
-
1989
- 1989-12-14 JP JP1989143582U patent/JPH0385742U/ja active Pending
-
1990
- 1990-12-13 US US07/626,734 patent/US5073149A/en not_active Expired - Fee Related
- 1990-12-13 EP EP90313565A patent/EP0433065A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US5073149A (en) | 1991-12-17 |
| EP0433065A1 (en) | 1991-06-19 |