JPH0168721U - - Google Patents

Info

Publication number
JPH0168721U
JPH0168721U JP1987163447U JP16344787U JPH0168721U JP H0168721 U JPH0168721 U JP H0168721U JP 1987163447 U JP1987163447 U JP 1987163447U JP 16344787 U JP16344787 U JP 16344787U JP H0168721 U JPH0168721 U JP H0168721U
Authority
JP
Japan
Prior art keywords
piston
hydraulic cylinder
control valve
lawn mower
open position
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
Application number
JP1987163447U
Other languages
English (en)
Other versions
JPH0525369Y2 (ja
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 JP1987163447U priority Critical patent/JPH0525369Y2/ja
Publication of JPH0168721U publication Critical patent/JPH0168721U/ja
Application granted granted Critical
Publication of JPH0525369Y2 publication Critical patent/JPH0525369Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Harvester Elements (AREA)
  • Lifting Devices For Agricultural Implements (AREA)

Description

【図面の簡単な説明】
図面はこの考案の一実施例を示すもので、第1
図は油圧回路図、第2図は芝刈機全体を示す側面
図、第3図は作業機の昇降機構を拡大して示す側
面図、第4図は第3図におけるA―A線断面図、
第5図は油圧シリンダを拡大して示す縦断側面図
である。 1…芝刈機本体、7…リンク機構、8…芝刈作
業機(作業機)、15…油圧シリンダ、17…ピ
ストン、18…ピストンロツド、26…コントロ
ールバルブ、32…オールポートオープンポジシ
ヨン。

Claims (1)

    【実用新案登録請求の範囲】
  1. 芝刈機本体にリンク機構を介して作業機を連結
    し、前記リンク機構に連結されるピストンロツド
    が片面に固定されたピストンを収納する油圧シリ
    ンダを設け、前記油圧シリンダの油の供給状態を
    切換えるコントロールバルブを設け、前記ピスト
    ンの両側に略等しい圧力の油を供給するオールポ
    ートオープンポジシヨンを前記コントロールバル
    ブに設けたことを特徴とする芝刈機の作業機昇降
    装置。
JP1987163447U 1987-10-26 1987-10-26 Expired - Lifetime JPH0525369Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987163447U JPH0525369Y2 (ja) 1987-10-26 1987-10-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987163447U JPH0525369Y2 (ja) 1987-10-26 1987-10-26

Publications (2)

Publication Number Publication Date
JPH0168721U true JPH0168721U (ja) 1989-05-08
JPH0525369Y2 JPH0525369Y2 (ja) 1993-06-28

Family

ID=31448174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987163447U Expired - Lifetime JPH0525369Y2 (ja) 1987-10-26 1987-10-26

Country Status (1)

Country Link
JP (1) JPH0525369Y2 (ja)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60137202A (ja) * 1983-12-23 1985-07-20 株式会社クボタ 対地作業車の作業高さ制御装置

Also Published As

Publication number Publication date
JPH0525369Y2 (ja) 1993-06-28

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