JPH0238802B2 - - Google Patents
Info
- Publication number
- JPH0238802B2 JPH0238802B2 JP55028878A JP2887880A JPH0238802B2 JP H0238802 B2 JPH0238802 B2 JP H0238802B2 JP 55028878 A JP55028878 A JP 55028878A JP 2887880 A JP2887880 A JP 2887880A JP H0238802 B2 JPH0238802 B2 JP H0238802B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder device
- cylinder
- valve
- extension
- 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.)
- Expired - Lifetime
Links
- 230000008602 contraction Effects 0.000 claims description 14
- 239000003921 oil Substances 0.000 description 47
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Jib Cranes (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2887880A JPS56124708A (en) | 1980-03-06 | 1980-03-06 | Oil pressure cylinder device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2887880A JPS56124708A (en) | 1980-03-06 | 1980-03-06 | Oil pressure cylinder device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56124708A JPS56124708A (en) | 1981-09-30 |
JPH0238802B2 true JPH0238802B2 (fr) | 1990-09-03 |
Family
ID=12260637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2887880A Granted JPS56124708A (en) | 1980-03-06 | 1980-03-06 | Oil pressure cylinder device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56124708A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5856786U (ja) * | 1981-10-12 | 1983-04-18 | 株式会社 多田野鉄工所 | 多段ビ−ムの伸縮装置 |
JPS5954492U (ja) * | 1982-09-29 | 1984-04-10 | 株式会社多田野鉄工所 | ブ−ム装置 |
JPS60196409A (ja) * | 1984-03-16 | 1985-10-04 | Tokyu Car Corp | 多段伸縮ブ−ムの伸縮装置 |
JPH0223842Y2 (fr) * | 1984-11-30 | 1990-06-29 | ||
CN109973463B (zh) * | 2019-04-22 | 2021-03-02 | 韶关市起重机厂有限责任公司 | 一种能可靠顺序伸缩的油缸、多油缸顺序伸缩机构及工程机械 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4930323U (fr) * | 1972-06-16 | 1974-03-15 | ||
JPS5241937A (en) * | 1975-09-30 | 1977-03-31 | Mitsubishi Electric Corp | Inductive heating cooker |
-
1980
- 1980-03-06 JP JP2887880A patent/JPS56124708A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4930323U (fr) * | 1972-06-16 | 1974-03-15 | ||
JPS5241937A (en) * | 1975-09-30 | 1977-03-31 | Mitsubishi Electric Corp | Inductive heating cooker |
Also Published As
Publication number | Publication date |
---|---|
JPS56124708A (en) | 1981-09-30 |
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