JPS6431203U - - Google Patents
Info
- Publication number
- JPS6431203U JPS6431203U JP12718687U JP12718687U JPS6431203U JP S6431203 U JPS6431203 U JP S6431203U JP 12718687 U JP12718687 U JP 12718687U JP 12718687 U JP12718687 U JP 12718687U JP S6431203 U JPS6431203 U JP S6431203U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- fluid pressure
- pressure
- piston
- predetermined pressure
- 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
- 239000012530 fluid Substances 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
Landscapes
- Actuator (AREA)
Description
図面は、本考案の実施例を示すもので、第１図
は流体圧シリンダ装置の断面図、第２図は流体圧
シリンダ装置の通常の作動を示す断面図、第３図
は固定物が移動した状況を示す断面図、第４図は
流体圧シリンダ装置の他の実施例の断面図、第５
図は従来の流体圧シリンダ装置通常の作動を示す
図断面及び第６図は同固定物が移動した状況を示
す断面図である。
１……流体圧シリンダ装置、２……シリンダ、
３……ピストン、４……ロツド、５……膨張収縮
材。
The drawings show an embodiment of the present invention; FIG. 1 is a sectional view of a fluid pressure cylinder device, FIG. 2 is a sectional view showing normal operation of the fluid pressure cylinder device, and FIG. 3 is a sectional view of a fluid pressure cylinder device in which a fixed object moves. FIG. 4 is a cross-sectional view of another embodiment of the fluid pressure cylinder device, and FIG.
The figure is a cross-sectional view showing the normal operation of a conventional hydraulic cylinder device, and FIG. 6 is a cross-sectional view showing a situation in which the fixed object is moved. 1...Fluid pressure cylinder device, 2...Cylinder,
3... Piston, 4... Rod, 5... Expansion/contraction material.
Claims (1)
画される液圧室に、逆止弁を介して一定の流体圧
を与え、前記ピストンに連結されたロツドを介し
て押圧する流体圧シリンダ装置において、 前記シリンダの液圧室内に、所定の圧力以上で
収縮し、この圧力以下で膨張する膨張収縮材を設
けた流体圧シリンダ装置。[Claims for Utility Model Registration] A constant fluid pressure is applied via a check valve to a hydraulic pressure chamber defined by a piston slidably provided in a cylinder, and via a rod connected to the piston. A fluid pressure cylinder device for pressing the cylinder, wherein an expansion and contraction material that contracts at a predetermined pressure or more and expands at a predetermined pressure or less is provided in the hydraulic chamber of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987127186U JPH0640967Y2 (en) | 1987-08-21 | 1987-08-21 | Fluid pressure cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987127186U JPH0640967Y2 (en) | 1987-08-21 | 1987-08-21 | Fluid pressure cylinder device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6431203U true JPS6431203U (en) | 1989-02-27 |
| JPH0640967Y2 JPH0640967Y2 (en) | 1994-10-26 |
Family
ID=31379388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987127186U Expired - Lifetime JPH0640967Y2 (en) | 1987-08-21 | 1987-08-21 | Fluid pressure cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0640967Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002292443A (en) * | 2001-03-29 | 2002-10-08 | Lobtex Co Ltd | Change-over valve of hydraulically actuating tool |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4989593U (en) * | 1972-11-22 | 1974-08-02 | ||
| JPS58121305A (en) * | 1982-01-11 | 1983-07-19 | Kobe Steel Ltd | Hydraulic circuit for maintaining expansion and contraction of hydraulic cylinder |
-
1987
- 1987-08-21 JP JP1987127186U patent/JPH0640967Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4989593U (en) * | 1972-11-22 | 1974-08-02 | ||
| JPS58121305A (en) * | 1982-01-11 | 1983-07-19 | Kobe Steel Ltd | Hydraulic circuit for maintaining expansion and contraction of hydraulic cylinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002292443A (en) * | 2001-03-29 | 2002-10-08 | Lobtex Co Ltd | Change-over valve of hydraulically actuating tool |
| JP4580578B2 (en) * | 2001-03-29 | 2010-11-17 | 株式会社ロブテックス | Switching valve mechanism for hydraulically operated tools |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0640967Y2 (en) | 1994-10-26 |