JPS5676707A - Cylinder device - Google Patents
Cylinder deviceInfo
- Publication number
- JPS5676707A JPS5676707A JP15154679A JP15154679A JPS5676707A JP S5676707 A JPS5676707 A JP S5676707A JP 15154679 A JP15154679 A JP 15154679A JP 15154679 A JP15154679 A JP 15154679A JP S5676707 A JPS5676707 A JP S5676707A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder
- thrusted
- spring
- cylinder 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
- Actuator (AREA)
- Air-Flow Control Members (AREA)
Abstract
PURPOSE: To provide both a smoke exhausting function and a fire preventing function, by installing in a cylinder the second piston thrusted by a spring, and by installing in the rod of the second piston the first piston thrusted by a spring, and by placing a supply and discharge pipe in the cylinder.
CONSTITUTION: The second piston 4 thrusted by a spring 6 is fitted in a cylinder 1. The first piston 14 thrusted by a spring 16 is fitted in the second piston rod 5. A supply and discharge pipe 18, which communicates with the first cylinder chamber 17, is protruded from the rear lid 3 of the cylinder 1. When compressed air is discharged out of the first cylinder chamber 17, the first piston rod 15 is moved back to open a smoke exhaust duct. When compressed air is discharged out of the first cylinder chamber 17 and the second cylinder chamber 7, the first piston rod 15 is moved forth to close the smoke exhaust duct. A smoke exhausting function and a fire preventing function are thus provided.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15154679A JPS5676707A (en) | 1979-11-21 | 1979-11-21 | Cylinder device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15154679A JPS5676707A (en) | 1979-11-21 | 1979-11-21 | Cylinder device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5676707A true JPS5676707A (en) | 1981-06-24 |
JPS628642B2 JPS628642B2 (en) | 1987-02-24 |
Family
ID=15520870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15154679A Granted JPS5676707A (en) | 1979-11-21 | 1979-11-21 | Cylinder device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5676707A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102219352A (en) * | 2011-04-18 | 2011-10-19 | 南通威明精工机械有限公司 | Suction head rotating device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113739300B (en) * | 2021-09-26 | 2023-03-03 | 广东电网有限责任公司东莞供电局 | Outdoor solar cooling device |
-
1979
- 1979-11-21 JP JP15154679A patent/JPS5676707A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102219352A (en) * | 2011-04-18 | 2011-10-19 | 南通威明精工机械有限公司 | Suction head rotating device |
Also Published As
Publication number | Publication date |
---|---|
JPS628642B2 (en) | 1987-02-24 |
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