JPH0227924U - - Google Patents

Info

Publication number
JPH0227924U
JPH0227924U JP10724088U JP10724088U JPH0227924U JP H0227924 U JPH0227924 U JP H0227924U JP 10724088 U JP10724088 U JP 10724088U JP 10724088 U JP10724088 U JP 10724088U JP H0227924 U JPH0227924 U JP H0227924U
Authority
JP
Japan
Prior art keywords
turning angle
front wheel
tractor
detection signal
angle sensor
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
JP10724088U
Other languages
English (en)
Other versions
JP2509137Y2 (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 JP1988107240U priority Critical patent/JP2509137Y2/ja
Publication of JPH0227924U publication Critical patent/JPH0227924U/ja
Application granted granted Critical
Publication of JP2509137Y2 publication Critical patent/JP2509137Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Arrangement And Driving Of Transmission Devices (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例を示すものであつて、
第１図は制御回路図、第２図は制御システム図、
第３図は変速装置及び油圧回路図、第４図は前輪
支持部の平面図、第５図は切れ角検出装置の他の
例の断面図である。 ３……電磁弁、４……変速装置、７……デスク
ブレーキ、８……操向ハンドル、９……切換バル
ブ、１０……パワシリンダ、１２……受板、１５
……駆動板、１７……制御ユニツト。

Claims (1)

    【実用新案登録請求の範囲】
  1. 前輪伝動系に機体回行時に増速する変速装置４
    を介装し、操向系に切れ角センサーを設け、該切
    れ角センサーの検出信号により前記変速装置４を
    増速切換するようにしたトラクタにおいて、前記
    変速装置４の制御回路に、操向操作具を戻し作動
    させる行程では、切り作動行程より大きい切れ角
    で前記検出信号が消去する回路を挿入したことを
    特徴とするトラクタにおける前輪変速装置。
JP1988107240U 1988-08-13 1988-08-13 トラクタにおける前輪変速装置 Expired - Fee Related JP2509137Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988107240U JP2509137Y2 (ja) 1988-08-13 1988-08-13 トラクタにおける前輪変速装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988107240U JP2509137Y2 (ja) 1988-08-13 1988-08-13 トラクタにおける前輪変速装置

Publications (2)

Publication Number Publication Date
JPH0227924U true JPH0227924U (ja) 1990-02-23
JP2509137Y2 JP2509137Y2 (ja) 1996-08-28

Family

ID=31341476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988107240U Expired - Fee Related JP2509137Y2 (ja) 1988-08-13 1988-08-13 トラクタにおける前輪変速装置

Country Status (1)

Country Link
JP (1) JP2509137Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053471A (ja) * 1983-09-02 1985-03-27 Kubota Ltd 農用トラクタ
JPS6076475A (ja) * 1983-10-03 1985-04-30 Kubota Ltd 農用トラクタの操作構造
JPS63195026A (ja) * 1987-02-10 1988-08-12 Kubota Ltd 作業車の変速操作構造

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053471A (ja) * 1983-09-02 1985-03-27 Kubota Ltd 農用トラクタ
JPS6076475A (ja) * 1983-10-03 1985-04-30 Kubota Ltd 農用トラクタの操作構造
JPS63195026A (ja) * 1987-02-10 1988-08-12 Kubota Ltd 作業車の変速操作構造

Also Published As

Publication number Publication date
JP2509137Y2 (ja) 1996-08-28

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees