JPH02138247U - - Google Patents
Info
- Publication number
- JPH02138247U JPH02138247U JP4859189U JP4859189U JPH02138247U JP H02138247 U JPH02138247 U JP H02138247U JP 4859189 U JP4859189 U JP 4859189U JP 4859189 U JP4859189 U JP 4859189U JP H02138247 U JPH02138247 U JP H02138247U
- Authority
- JP
- Japan
- Prior art keywords
- inner tube
- shock absorber
- hydraulic shock
- piston rod
- tube
- 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
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
- Fluid-Damping Devices (AREA)
Description
第１図は本考案に係る油圧緩衝器の断面図、第
２図及び第３図は同緩衝器の要部拡大断面図、第
４図は本考案に係る油圧緩衝器の別実施例である
。
尚、図面中、１…アウターチユーブ、２…イン
ナーチユーブ、１１…ピストンロツド、１３…ピ
ストン、２１…スプリングシート、２２…メイン
スプリング、２３…フリーピストン、２５…バラ
ンススプリング、２８…油孔である。
Fig. 1 is a cross-sectional view of a hydraulic shock absorber according to the present invention, Figs. 2 and 3 are enlarged cross-sectional views of main parts of the shock absorber, and Fig. 4 is another embodiment of the hydraulic shock absorber according to the present invention. . In the drawings, 1...outer tube, 2...inner tube, 11...piston rod, 13...piston, 21...spring seat, 22...main spring, 23...free piston, 25...balance spring, 28...oil hole.
Claims (1)
摺動自在に嵌装し、前記アウターチユーブにピス
トンロツドの基端を装着した油圧緩衝器において
、前記インナーチユーブ内周面に摺接するフリー
ピストンを前記ピストンロツド外周面に摺動可能
に嵌装し、このフリーピストンを前記インナーチ
ユーブ内油室側に付勢する付勢手段を設けたこと
を特徴とする油圧緩衝器。 (2) 前記インナーチユーブにはフリーピストン
が所定以上ストロークしたときにインナーチユー
ブ内油室を開放する油路を形成したことを特徴と
する請求項１記載の油圧緩衝器。[Claims for Utility Model Registration] (1) In a hydraulic shock absorber in which an inner tube is slidably fitted into an outer tube and a proximal end of a piston rod is attached to the outer tube, the inner tube slides on the inner circumferential surface of the inner tube. A hydraulic shock absorber characterized in that a free piston in contact with the piston rod is slidably fitted on the outer peripheral surface of the piston rod, and a biasing means is provided for biasing the free piston toward the oil chamber in the inner tube. (2) The hydraulic shock absorber according to claim 1, wherein an oil passage is formed in the inner tube to open an oil chamber in the inner tube when the free piston strokes beyond a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4859189U JPH02138247U (en) | 1989-04-25 | 1989-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4859189U JPH02138247U (en) | 1989-04-25 | 1989-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02138247U true JPH02138247U (en) | 1990-11-19 |
Family
ID=31565537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4859189U Pending JPH02138247U (en) | 1989-04-25 | 1989-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02138247U (en) |
-
1989
- 1989-04-25 JP JP4859189U patent/JPH02138247U/ja active Pending