JPH03303U - - Google Patents

Info

Publication number
JPH03303U
JPH03303U JP6035789U JP6035789U JPH03303U JP H03303 U JPH03303 U JP H03303U JP 6035789 U JP6035789 U JP 6035789U JP 6035789 U JP6035789 U JP 6035789U JP H03303 U JPH03303 U JP H03303U
Authority
JP
Japan
Prior art keywords
valve
working machine
spool
descending
lifting
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
JP6035789U
Other languages
English (en)
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 filed Critical
Priority to JP6035789U priority Critical patent/JPH03303U/ja
Publication of JPH03303U publication Critical patent/JPH03303U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Lifting Devices For Agricultural Implements (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例の構成図である。 S……シリンダ、A……上昇弁、D……下降弁
、50……下降弁のスプール、80……バランス
ピストン、90……ソレノイド。

Claims (1)

  1. 【実用新案登録請求の範囲】 作業機昇降用シリンダの油をタンクに戻す排油
    通路に下降弁が設けられ、この下降弁を開くこと
    により作業機を下降させる農業機械の作業機昇降
    装置において、 上記下降弁を、上記排油通路を開閉するスプー
    ルと該スプールを移動するソレノイドとからなる
    直動式電磁弁で構成するとともに、この電磁弁の
    スプールの内部に、該弁の通過流量を圧力補償す
    るためのバランスピストンを組み込んだことを特
    徴とする農業機械の作業機昇降装置。
JP6035789U 1989-05-26 1989-05-26 Pending JPH03303U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6035789U JPH03303U (ja) 1989-05-26 1989-05-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6035789U JPH03303U (ja) 1989-05-26 1989-05-26

Publications (1)

Publication Number Publication Date
JPH03303U true JPH03303U (ja) 1991-01-07

Family

ID=31587654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6035789U Pending JPH03303U (ja) 1989-05-26 1989-05-26

Country Status (1)

Country Link
JP (1) JPH03303U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011169380A (ja) * 2010-02-17 2011-09-01 Kawasaki Heavy Ind Ltd 圧力補償付流量制御弁

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737797A (en) * 1980-08-15 1982-03-02 Kyosan Electric Mfg Co Ltd Checking method for storage contents of rom using redundant code system
JPS6332409A (ja) * 1986-07-28 1988-02-12 井関農機株式会社 トラクタの作業機昇降装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737797A (en) * 1980-08-15 1982-03-02 Kyosan Electric Mfg Co Ltd Checking method for storage contents of rom using redundant code system
JPS6332409A (ja) * 1986-07-28 1988-02-12 井関農機株式会社 トラクタの作業機昇降装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011169380A (ja) * 2010-02-17 2011-09-01 Kawasaki Heavy Ind Ltd 圧力補償付流量制御弁

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