JPS63202525U - - Google Patents

Info

Publication number
JPS63202525U
JPS63202525U JP9474687U JP9474687U JPS63202525U JP S63202525 U JPS63202525 U JP S63202525U JP 9474687 U JP9474687 U JP 9474687U JP 9474687 U JP9474687 U JP 9474687U JP S63202525 U JPS63202525 U JP S63202525U
Authority
JP
Japan
Prior art keywords
front wheel
drive
wheel transmission
state
hydraulic clutch
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
JP9474687U
Other languages
English (en)
Other versions
JPH06265Y2 (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 JP1987094746U priority Critical patent/JPH06265Y2/ja
Publication of JPS63202525U publication Critical patent/JPS63202525U/ja
Application granted granted Critical
Publication of JPH06265Y2 publication Critical patent/JPH06265Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Arrangement And Driving Of Transmission Devices (AREA)

Description

【図面の簡単な説明】
図面は本考案に係る作業車の前輪変速構造の実
施例を示し、第１図は前輪変速装置と前輪増速レ
バー、副変速レバー及び切換レバー等との連係状
態を示す概略図、第２図は前輪変速装置の縦断側
面図、第３図イ，ロは前輪変速装置におけるピン
とピストン部材の連結状態を示す図、第４図は制
御弁及び制御弁と副変速レバー、前輪増速レバー
との連係状態を示す図、第５図は第４図に示す状
態から操縦ハンドルによりピツトマンアームが揺
動操作された状態を示す側面図、第６図は第４図
に示す状態から切換弁を排油側に操作した状態を
示す側面図、第７図は農用トラクタの全体側面図
である。 １…前輪、１０…前輪変速装置、２１…油圧ク
ラツチ、２２…制御弁、３９…変速レバー。

Claims (1)

    【実用新案登録請求の範囲】
  1. 操向自在な前輪１への伝動系に、後輪駆動速度
    に略等しい駆動速度で伝動する標準駆動状態と、
    後輪駆動速度より大きい駆動速度で伝動する増速
    駆動状態とに切換可能な前輪変速装置１０を備え
    ると共に、前輪変速装置１０の増速駆動系が油圧
    クラツチ２１から成る作業車の前輪変速構造であ
    つて、前輪変速装置１０を標準駆動側に付勢して
    、前記油圧クラツチ２１に対して作動油給排を行
    う制御弁２２の排油操作により前記油圧クラツチ
    ２１が切り状態となり、前輪変速装置１０が標準
    駆動側に切換操作されるように構成すると共に、
    走行用の変速レバー３９の高速側への変速操作に
    より前記油圧クラツチ２１に至る作動油供給系が
    アンロード状態となるように、前記変速レバー３
    ９と作動油供給系を連係させてある作業車の前輪
    変速構造。
JP1987094746U 1987-06-19 1987-06-19 作業車の前輪変速構造 Expired - Lifetime JPH06265Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987094746U JPH06265Y2 (ja) 1987-06-19 1987-06-19 作業車の前輪変速構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987094746U JPH06265Y2 (ja) 1987-06-19 1987-06-19 作業車の前輪変速構造

Publications (2)

Publication Number Publication Date
JPS63202525U true JPS63202525U (ja) 1988-12-27
JPH06265Y2 JPH06265Y2 (ja) 1994-01-05

Family

ID=30958527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987094746U Expired - Lifetime JPH06265Y2 (ja) 1987-06-19 1987-06-19 作業車の前輪変速構造

Country Status (1)

Country Link
JP (1) JPH06265Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005289245A (ja) * 2004-04-01 2005-10-20 Yanmar Co Ltd 四輪駆動・前輪増速駆動切換機構

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100419897B1 (ko) * 2000-09-14 2004-03-03 김상재 아이나 내성 결핵균 검사용 프로브

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541532A (en) * 1977-06-06 1979-01-08 Yanmar Agricult Equip Safety device in agricultural tractor* etc*
JPS6062127U (ja) * 1983-10-05 1985-05-01 株式会社クボタ 作業車の走行用伝動構造
JPS6285724A (ja) * 1985-10-11 1987-04-20 Kubota Ltd 農用トラクタの前輪変速操作構造

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541532A (en) * 1977-06-06 1979-01-08 Yanmar Agricult Equip Safety device in agricultural tractor* etc*
JPS6062127U (ja) * 1983-10-05 1985-05-01 株式会社クボタ 作業車の走行用伝動構造
JPS6285724A (ja) * 1985-10-11 1987-04-20 Kubota Ltd 農用トラクタの前輪変速操作構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005289245A (ja) * 2004-04-01 2005-10-20 Yanmar Co Ltd 四輪駆動・前輪増速駆動切換機構

Also Published As

Publication number Publication date
JPH06265Y2 (ja) 1994-01-05

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