JPS58112703U - hydraulic operating device - Google Patents

hydraulic operating device

Info

Publication number
JPS58112703U
JPS58112703U JP1098482U JP1098482U JPS58112703U JP S58112703 U JPS58112703 U JP S58112703U JP 1098482 U JP1098482 U JP 1098482U JP 1098482 U JP1098482 U JP 1098482U JP S58112703 U JPS58112703 U JP S58112703U
Authority
JP
Japan
Prior art keywords
rod
operating device
hydraulic operating
cylinder
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.)
Pending
Application number
JP1098482U
Other languages
Japanese (ja)
Inventor
山内　高雄
坂本　成義
裕 中川
Original Assignee
三菱電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP1098482U priority Critical patent/JPS58112703U/en
Publication of JPS58112703U publication Critical patent/JPS58112703U/en
Pending legal-status Critical Current

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  • Actuator (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の油圧操作装置の断面図、第２図はこの考
案の一実施例の断面図である。 図中、１はシリンダ、２はピストン、３はロッド、５は
第１の軸シール、７は低圧タンク、１３は第２の軸シー
ル、１４は油室である。なお各図中同一符号は同−又は
相当部分を示す。FIG. 1 is a sectional view of a conventional hydraulic operating device, and FIG. 2 is a sectional view of an embodiment of this invention. In the figure, 1 is a cylinder, 2 is a piston, 3 is a rod, 5 is a first shaft seal, 7 is a low pressure tank, 13 is a second shaft seal, and 14 is an oil chamber. Note that the same reference numerals in each figure indicate the same or equivalent parts.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）所定の油圧でシリンダ内を駆動されるピストンに
ロッドが連結され、上記シリンダと上記ロッドとの摺動
部に上記ロッドの軸方向に所定の間隔をあけて第１及び
第２の軸シールを配置し、上記両シール間に上記ロッド
を囲繞した油室を設け、上記油室をほぼ大気圧の低圧タ
ンクと接続したことを特徴とする油圧操作装置。(1) A rod is connected to a piston that is driven within a cylinder by a predetermined oil pressure, and first and second shafts are connected to a sliding part between the cylinder and the rod at a predetermined interval in the axial direction of the rod. A hydraulic operating device characterized in that a seal is disposed, an oil chamber surrounding the rod is provided between the two seals, and the oil chamber is connected to a low pressure tank at approximately atmospheric pressure. （２）第１の軸シールはシリンダ内の油が油室側へ流入
可能に構成されたことを特徴とする実用新案登録請求の
範囲第１項記載の油圧操作装置。(2) The hydraulic operating device according to claim 1, wherein the first shaft seal is configured to allow oil in the cylinder to flow into the oil chamber.
JP1098482U 1982-01-28 1982-01-28 hydraulic operating device Pending JPS58112703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1098482U JPS58112703U (en) 1982-01-28 1982-01-28 hydraulic operating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1098482U JPS58112703U (en) 1982-01-28 1982-01-28 hydraulic operating device

Publications (1)

Publication Number Publication Date
JPS58112703U true JPS58112703U (en) 1983-08-02

Family

ID=30023606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1098482U Pending JPS58112703U (en) 1982-01-28 1982-01-28 hydraulic operating device

Country Status (1)

Country Link
JP (1) JPS58112703U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835135A (en) * 1971-08-26 1973-05-23
JPS52113060A (en) * 1976-03-18 1977-09-21 Toshiba Corp Washing apparatus
JPS5632727A (en) * 1979-08-27 1981-04-02 Fujitsu Ltd Mask washing apparatus
JPS5645017A (en) * 1979-09-20 1981-04-24 Toshiba Corp Moving method and apparatus for semiconductor wafer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835135A (en) * 1971-08-26 1973-05-23
JPS52113060A (en) * 1976-03-18 1977-09-21 Toshiba Corp Washing apparatus
JPS5632727A (en) * 1979-08-27 1981-04-02 Fujitsu Ltd Mask washing apparatus
JPS5645017A (en) * 1979-09-20 1981-04-24 Toshiba Corp Moving method and apparatus for semiconductor wafer

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