JPS5722405A - Fluid pressure cylinder - Google Patents
Fluid pressure cylinderInfo
- Publication number
- JPS5722405A JPS5722405A JP9520980A JP9520980A JPS5722405A JP S5722405 A JPS5722405 A JP S5722405A JP 9520980 A JP9520980 A JP 9520980A JP 9520980 A JP9520980 A JP 9520980A JP S5722405 A JPS5722405 A JP S5722405A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- piston rod
- rod
- fluid pressure
- stronger
- 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
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
PURPOSE: To protect a weak part or the like being supplied with a fluid, from damage, by using a permanent magnet to connect a piston and a piston rod to each other and by disconnecting the piston and the piston rod from each other when an external force stronger than a prescribed level acts to the rod, so that only the rod runs away.
CONSTITUTION: An annular permanent magnet 8 is provided in a piston 7. A piston rod 6 is made of a magnetic substance to exert a magnetic attractive force between the piston 7 and the piston rod 6. The magnetic attractive force is set stronger than a force which is caused by supplied fluid pressure necessary to actuate a driven part through the medium of the piston rod 6. When an external force stronger than the magnetic attractive force acts to the piston rod 6, the piston 7 is held in its position by the fluid pressure and only the piston rod 6 runs away.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9520980A JPS5722405A (en) | 1980-07-11 | 1980-07-11 | Fluid pressure cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9520980A JPS5722405A (en) | 1980-07-11 | 1980-07-11 | Fluid pressure cylinder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5722405A true JPS5722405A (en) | 1982-02-05 |
JPS6123403B2 JPS6123403B2 (en) | 1986-06-05 |
Family
ID=14131352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9520980A Granted JPS5722405A (en) | 1980-07-11 | 1980-07-11 | Fluid pressure cylinder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5722405A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4835659A (en) * | 1971-08-06 | 1973-05-25 | ||
JPS5136786U (en) * | 1974-09-12 | 1976-03-18 |
-
1980
- 1980-07-11 JP JP9520980A patent/JPS5722405A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4835659A (en) * | 1971-08-06 | 1973-05-25 | ||
JPS5136786U (en) * | 1974-09-12 | 1976-03-18 |
Also Published As
Publication number | Publication date |
---|---|
JPS6123403B2 (en) | 1986-06-05 |
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