JPS588688U - Front fork damping force adjustment device - Google Patents
Front fork damping force adjustment deviceInfo
- Publication number
- JPS588688U JPS588688U JP10237381U JP10237381U JPS588688U JP S588688 U JPS588688 U JP S588688U JP 10237381 U JP10237381 U JP 10237381U JP 10237381 U JP10237381 U JP 10237381U JP S588688 U JPS588688 U JP S588688U
- Authority
- JP
- Japan
- Prior art keywords
- front fork
- damping force
- hollow cylinder
- fork damping
- oil 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.)
- Granted
Links
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
- Fluid-Damping Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１、図は本考案の一実施態様に係るフロントフォーク
の縦断正面図、第２図は第１図のＡ−Ａ線横断平面図、
第３図は第１図のＢ−Ｂ線横断平面図、第４図は本考案
の他の実施態様に係るフロントフォークの縦断正面図、
第５図は第４図のＣ−Ｃ線横断平面図、第６図は第４図
のＤ−Ｄ線横断平面図であ乞。
１・・・・・・アウターチューブ、２・・・・・・イン
ナーチューブ、３・・・・・−シリンダ゛、４・・・・
・・ピストン、５・・・・・・大径部、７・・・・・・
通孔、１０．１１・・・・・・油室、３０・・・・・・
ロータリバルブ、３１・・・・・・弁体、３２・・・・
・・調整桿、３３・・・・・・通孔、４２・・・・・・
ボス、ａ、 ｂ、 ｃ・・・・・・ｎ・・・・・・
オリフィス。1. Figure 1 is a longitudinal sectional front view of a front fork according to an embodiment of the present invention, and Figure 2 is a cross-sectional plan view taken along line A-A in Figure 1.
3 is a cross-sectional plan view taken along the line B-B in FIG. 1, and FIG. 4 is a longitudinal sectional front view of a front fork according to another embodiment of the present invention.
5 is a cross-sectional plan view taken along the line CC in FIG. 4, and FIG. 6 is a cross-sectional plan view taken along the line D--D in FIG. 4. 1...Outer tube, 2...Inner tube, 3...-cylinder, 4...
...Piston, 5...Large diameter part, 7...
Through hole, 10.11...Oil chamber, 30...
Rotary valve, 31... Valve body, 32...
...Adjustment rod, 33...Through hole, 42...
Boss, a, b, c...n...
Orifice.
Claims (1)
ストンを介して摺動自在に挿入され、アウターチューブ
の下部から起立する中空シリンダの上部大径部がインナ
ーチューブ内に摺接され、アウターチューブとインナー
チューブ内には上下二つの油室がピストンによって区画
され、上部油室はロータリバルブを介して中空シリンダ
の一油室に通じ、又下部油室は中空シリンダに設けた通
孔を介して中空シリンダの油室に通じるよ・
うにしたフロントフォークに於て、前記ロータリバルブ
の弁体が中空シリンダに固定され１．この弁体には軸方
向の通孔と、この通孔に開閉される半径方向の複数のオ
リフィスとが穿設され、前記通孔には断面半円状の調整
装が回転自在に挿入されたフロントフォークの減衰力調
整装置。 −（２）弁体が中空シリンダの大径部内に固定された実
用新案登録請求の範囲第１項記載のフロントフォークの
減衰力調整装置。 （３）調整桿がディテント機構と結合されている実用新
案登録請求の範囲第１項記載のフロントフォークの減衰
力調整装置。 （４） ディテント機構が中空シリンダの大径部内に
設けた実用新案登録請求の範囲第３項記載のフロントフ
ォークの減衰力調整装置。 （５）ディテント機構が調整桿と連動する上部ボス内に
設けられた実用新案登録請求の範囲第３項記載のフロン
トフォークの減衰力調整装置。[Scope of claims for utility model registration] (1) The inner tube is pinned inside the outer tube.
The large diameter part of the upper part of the hollow cylinder, which is slidably inserted through the piston and stands up from the bottom of the outer tube, slides into the inner tube. The upper oil chamber communicates with one oil chamber of the hollow cylinder through a rotary valve, and the lower oil chamber communicates with the oil chamber of the hollow cylinder through a through hole provided in the hollow cylinder.
In the front fork constructed as described above, the valve body of the rotary valve is fixed to the hollow cylinder, and 1. The valve body was provided with an axial through hole and a plurality of radial orifices that were opened and closed in the through hole, and an adjustment device having a semicircular cross section was rotatably inserted into the through hole. Front fork damping force adjustment device. (2) The front fork damping force adjusting device according to claim 1, wherein the valve body is fixed within the large diameter portion of the hollow cylinder. (3) The front fork damping force adjusting device according to claim 1, wherein the adjusting rod is combined with a detent mechanism. (4) The front fork damping force adjusting device according to claim 3, wherein the detent mechanism is provided within the large diameter portion of the hollow cylinder. (5) The front fork damping force adjusting device according to claim 3, wherein the detent mechanism is provided in the upper boss interlocking with the adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10237381U JPS588688U (en) | 1981-07-10 | 1981-07-10 | Front fork damping force adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10237381U JPS588688U (en) | 1981-07-10 | 1981-07-10 | Front fork damping force adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS588688U true JPS588688U (en) | 1983-01-20 |
| JPS6122073Y2 JPS6122073Y2 (en) | 1986-07-02 |
Family
ID=29897011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10237381U Granted JPS588688U (en) | 1981-07-10 | 1981-07-10 | Front fork damping force adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS588688U (en) |
-
1981
- 1981-07-10 JP JP10237381U patent/JPS588688U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6122073Y2 (en) | 1986-07-02 |
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