JPS58177606U - Cylinder expansion device - Google Patents
Cylinder expansion deviceInfo
- Publication number
- JPS58177606U JPS58177606U JP5494783U JP5494783U JPS58177606U JP S58177606 U JPS58177606 U JP S58177606U JP 5494783 U JP5494783 U JP 5494783U JP 5494783 U JP5494783 U JP 5494783U JP S58177606 U JPS58177606 U JP S58177606U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- cylinder device
- oil chamber
- oil
- contraction
- 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
- Jib Cranes (AREA)
- Actuator (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
・ 第1図は本考案に係るシリンダ伸縮装置の断面
図、第2〜第6図は第1図に示したシリンダ伸縮装置の
作動説明図、第7図は本考案のシリンダ伸縮装置をクレ
ーン等のブームに取付けた図、第8 −図、第9図、第
11〜第14図は本考案の他の実施態様の説明図、第1
0図は第9図を説明するための図である。
A・・・・・・第1シリンダ装置、B・・・・・・第2
シリンダ装置、10.14・・・・・・縮少側油室、1
6.20・・・・・・伸長側油室、24.38・・・・
・・弁。
103日
−−−−−−−
102、101
補正 昭58. 4.13
実用新案登録請求の範囲、図面の簡単な説明を次のよう
に補正する。
O実用新案登録請求の範囲・ Figure 1 is a cross section of the cylinder expansion/contraction device according to the present invention.
2 to 6 are explanatory diagrams of the operation of the cylinder telescoping device shown in FIG. Figures 11 to 14 are explanatory diagrams of other embodiments of the present invention.
FIG. 0 is a diagram for explaining FIG. 9. A...First cylinder device, B...Second
Cylinder device, 10.14...Reduction side oil chamber, 1
6.20...Extension side oil chamber, 24.38...
··valve. 103rd ------- 102, 101 Amendment 1982. 4.13 The claims for utility model registration and the brief description of the drawings are amended as follows. O Scope of utility model registration request
Claims (1)
4を連通ずると共に第1シリンダ装置Aの縮少側油室1
0を油給排装置に接続し、この油給排装置から第1.第
2シリンダ装置A、 Bの伸長側油室16,20への給
排回路の途中に、伸長時に第1シリンダ装置Aの伸長終
端で作動して給2油側を第2シリンダ装置Bの伸長側油
室20に通じる弁24と、縮少時に第2シリンタ装置B
の縮少終端で作動して第1シリンダ装置Aの伸長側油室
16を排油側に通じる弁3Bとを設け、前記弁24は縮
少時に第2シリンダ装置Bの伸長側油室20を常に排油
側に通じ、前記弁38は伸長時に給油側を常に第1シリ
ンダ装置Aの伸長側油室。 16に通じるよう構成したことを特徴とするシリンダ伸
縮装置。[Scope of claims for utility model registration] 1. Reduction side oil chamber 10.1 of second cylinder device A, B
4 and the contraction side oil chamber 1 of the first cylinder device A.
0 to the oil supply and discharge device, and from this oil supply and discharge device 1. In the middle of the supply/discharge circuit to the extension side oil chambers 16, 20 of the second cylinder devices A and B, when the first cylinder device A is extended, it is activated at the end of the extension and the second oil supply side is connected to the extension side of the second cylinder device B. A valve 24 communicating with the side oil chamber 20 and a second cylinder device B when contracted.
A valve 3B is provided which operates at the end of contraction to connect the extension side oil chamber 16 of the first cylinder device A to the oil drain side, and the valve 24 opens the extension side oil chamber 20 of the second cylinder device B at the time of contraction. The valve 38 always communicates with the oil drain side, and when extended, the oil supply side is always connected to the extension side oil chamber of the first cylinder device A. 16. A cylinder expansion and contraction device characterized in that it is configured to communicate with a cylinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5494783U JPS58177606U (en) | 1983-04-13 | 1983-04-13 | Cylinder expansion device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5494783U JPS58177606U (en) | 1983-04-13 | 1983-04-13 | Cylinder expansion device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58177606U true JPS58177606U (en) | 1983-11-28 |
JPS6139750Y2 JPS6139750Y2 (en) | 1986-11-13 |
Family
ID=30065554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5494783U Granted JPS58177606U (en) | 1983-04-13 | 1983-04-13 | Cylinder expansion device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58177606U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016084829A (en) * | 2014-10-23 | 2016-05-19 | 古河産機システムズ株式会社 | Hydraulic cylinder for loading space lifting device, loading space lifting device including the same, and truck |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5455951A (en) * | 1978-09-27 | 1979-05-04 | Unic Corp | Cylinder expansion device |
JPS5512006U (en) * | 1978-07-07 | 1980-01-25 |
-
1983
- 1983-04-13 JP JP5494783U patent/JPS58177606U/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5512006U (en) * | 1978-07-07 | 1980-01-25 | ||
JPS5455951A (en) * | 1978-09-27 | 1979-05-04 | Unic Corp | Cylinder expansion device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016084829A (en) * | 2014-10-23 | 2016-05-19 | 古河産機システムズ株式会社 | Hydraulic cylinder for loading space lifting device, loading space lifting device including the same, and truck |
Also Published As
Publication number | Publication date |
---|---|
JPS6139750Y2 (en) | 1986-11-13 |
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