JPS5690722A - Locking device for gas spring - Google Patents
Locking device for gas springInfo
- Publication number
- JPS5690722A JPS5690722A JP16666779A JP16666779A JPS5690722A JP S5690722 A JPS5690722 A JP S5690722A JP 16666779 A JP16666779 A JP 16666779A JP 16666779 A JP16666779 A JP 16666779A JP S5690722 A JPS5690722 A JP S5690722A
- Authority
- JP
- Japan
- Prior art keywords
- spring
- gas
- gas spring
- piston rod
- 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
- Fluid-Damping Devices (AREA)
Abstract
PURPOSE:To obtain a sure and stable retaining power by retaining the gas spring through blockade of an oil chamber at the stetched-out position of a piston rod in the gas spring used for opening and shutting back doors of an automobile and the like. CONSTITUTION:When the gas spring is released from the compressed state, a piston 2 and the piston rod 3 operate in the direction of extension by the pressure of the gas inside a gas chamber, and at this time, the operating oil in an oil chamber A, Which shrinks, flows to an oil chamber B through a passing hole 8A. And, when the length of the piston rod 3 projected outside approaches the maximum length thereof, a spring guide 11A contacts with a cushion for 5. After that, a spring guide 11B, compressing a spring 12 with the load of the gas spring, soon contacts with the spring guide 11A, whereby the operation of extension is completed. Under the condition, by the counter force of the spring against the compression, a nonreturn valve 10, which should be opened freely in the direction of the side of shrinkage of the rod, is closed and retained in the state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16666779A JPS5690722A (en) | 1979-12-21 | 1979-12-21 | Locking device for gas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16666779A JPS5690722A (en) | 1979-12-21 | 1979-12-21 | Locking device for gas spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5690722A true JPS5690722A (en) | 1981-07-23 |
| JPS6224657B2 JPS6224657B2 (en) | 1987-05-29 |
Family
ID=15835488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16666779A Granted JPS5690722A (en) | 1979-12-21 | 1979-12-21 | Locking device for gas spring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5690722A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6071747U (en) * | 1983-10-24 | 1985-05-21 | 三菱自動車工業株式会社 | Stay damper device |
-
1979
- 1979-12-21 JP JP16666779A patent/JPS5690722A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6071747U (en) * | 1983-10-24 | 1985-05-21 | 三菱自動車工業株式会社 | Stay damper device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6224657B2 (en) | 1987-05-29 |
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