JPH02136806U - - Google Patents
Info
- Publication number
- JPH02136806U JPH02136806U JP4589689U JP4589689U JPH02136806U JP H02136806 U JPH02136806 U JP H02136806U JP 4589689 U JP4589689 U JP 4589689U JP 4589689 U JP4589689 U JP 4589689U JP H02136806 U JPH02136806 U JP H02136806U
- Authority
- JP
- Japan
- Prior art keywords
- push rod
- oil reservoir
- reservoir chamber
- piston
- cylinder
- 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
- 238000006073 displacement reaction Methods 0.000 claims 1
Landscapes
- Actuator (AREA)
Description
第１図は本考案の実施例を示すフリーロツク装
置の縦断面図、第２図は外部スプリングを備えた
フリーロツク装置の側面図である。
１……シリンダ、２……シートパイプ、４……
ピストン、５……ピストンロツド、６，７……油
室、９……油溜室、１０……フレキシブルチユー
ブ、１１，１２………バルブ、１６……ブツシユ
ロツド、１７……カム、１８……操作レバー。
FIG. 1 is a longitudinal sectional view of a free-lock device showing an embodiment of the present invention, and FIG. 2 is a side view of the free-lock device equipped with an external spring. 1...Cylinder, 2...Seat pipe, 4...
Piston, 5... Piston rod, 6, 7... Oil chamber, 9... Oil reservoir chamber, 10... Flexible tube, 11, 12... Valve, 16... Bush rod, 17... Cam, 18... Operation lever.
Claims (1)
トンロツドを結合してシリンダ本体から摺動自由
に突出させ、シリンダの外側にフレキシブルチユ
ーブに画成された油溜室を設け、ピストンの両側
に画成されたシリンダ内の各油室とこの油溜室と
を各々接続する常閉のバルブと、これらのバルブ
を軸方向変位に応じて順次強制的に開弁するプツ
シユロツドと、このプツシユロツドを軸方向に駆
動して所定位置に位置決めする手段とを備えたこ
とを特徴とするフリーロツク装置。 A piston rod is connected to a piston housed inside the cylinder body so that it can freely slide and protrude from the cylinder body, and an oil reservoir chamber defined by a flexible tube is provided outside the cylinder, and an oil reservoir chamber is defined on both sides of the piston. A normally closed valve that connects each oil chamber in the cylinder to this oil reservoir chamber, a push rod that forcibly opens these valves sequentially in response to axial displacement, and a push rod that drives the push rod in the axial direction. 1. A free-lock device comprising means for positioning the lock at a predetermined position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4589689U JPH02136806U (en) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4589689U JPH02136806U (en) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02136806U true JPH02136806U (en) | 1990-11-15 |
Family
ID=31560483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4589689U Pending JPH02136806U (en) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02136806U (en) |
-
1989
- 1989-04-19 JP JP4589689U patent/JPH02136806U/ja active Pending