JPH09262022A - Speed control unit for farm working vehicle - Google Patents
Speed control unit for farm working vehicleInfo
- Publication number
- JPH09262022A JPH09262022A JP8070807A JP7080796A JPH09262022A JP H09262022 A JPH09262022 A JP H09262022A JP 8070807 A JP8070807 A JP 8070807A JP 7080796 A JP7080796 A JP 7080796A JP H09262022 A JPH09262022 A JP H09262022A
- Authority
- JP
- Japan
- Prior art keywords
- upper limit
- vehicle speed
- speed
- limit value
- vehicle
- 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
Links
Landscapes
- Harvester Elements (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Control Of Transmission Device (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、農作業車の車速
制御装置に関し、車速の上限値設定手段により設定され
た上限値を、走行レバーの減速操作により変更設定させ
る車速制御の技術分野に属する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle speed control device for agricultural vehicles, and belongs to a technical field of vehicle speed control for changing and setting an upper limit value set by a vehicle speed upper limit setting means by decelerating a travel lever.
【０００２】[0002]
【従来の技術、及び発明が解決しようとする課題】農作
業車における作業時に、油圧等による無段変速装置を走
行レバーにより操作して車速の変速を行うと共に、ダイ
ヤル等による車速上限設定手段により作業者が車速の上
限値を設定することが可能なものにおいて、従来では、
車速制御時に、圃場に部分的に倒伏した立毛穀稈が存在
するため車速を減速させる必要があるとき等に、作業者
が走行レバーを減速操作しても負荷が軽い場合では（例
えばエンジン回転数が殆ど低下しない）、該設定手段に
より設定した上限値まで自動的に増速し、折角減速して
も直ぐに元の上限値に復帰してしまうため、刈取作業が
阻害されて円滑に作業を継続できないという難点があっ
た。2. Description of the Related Art At the time of working on an agricultural work vehicle, a continuously variable transmission using hydraulic pressure or the like is operated by a traveling lever to shift the vehicle speed, and work is performed by a vehicle speed upper limit setting means such as a dial. In the one in which the person can set the upper limit of the vehicle speed, in the past,
When the vehicle speed is controlled and the vehicle speed needs to be reduced due to the presence of partially fluffed culm in the field, if the load is light even if the operator decelerates the travel lever (for example, engine speed However, since the speed is automatically increased up to the upper limit value set by the setting means and the original upper limit value is immediately restored even if the folding angle is decelerated, the cutting operation is hindered and the work is continued smoothly. There was a difficulty that I could not.
【０００３】そこでこの発明は、車速上限設定手段によ
り設定した上限値と減速時に変更設定する減速上限値と
を、走行レバーの操作によって簡単容易に変更設定を可
能とする。Therefore, the present invention makes it possible to easily and easily change and set the upper limit value set by the vehicle speed upper limit setting means and the deceleration upper limit value that is changed and set at the time of deceleration.
【０００４】[0004]
【課題を解決するための手段】この発明は、走行レバー
１の操作で無段変速装置２を作用させて車速を変速する
と共にこの車速の上限値ａ，ｂを設定する農作業車にお
いて、該走行レバー１の減速側への操作によってこの減
速された車速を減速上限値ｂとして変更設定すると共
に、次の増速側への操作により該変更前の上限値ａに復
帰させる車速上限設定手段３を有する車速制御装置の構
成とする。SUMMARY OF THE INVENTION The present invention relates to an agricultural work vehicle in which a continuously variable transmission 2 is actuated by operating a traveling lever 1 to change a vehicle speed and an upper limit value a or b of the vehicle speed is set. The vehicle speed upper limit setting means 3 is used to change and set the decelerated vehicle speed as the deceleration upper limit value b by operating the lever 1 to the deceleration side, and to restore the vehicle speed upper limit value a to the previous upper limit value a by the operation to the next acceleration side. The vehicle speed control device has the configuration.
【０００５】[0005]
【作用、及び発明の効果】上記の構成によれば、農作業
車における作業時に、ダイヤル等の車速上限設定手段３
によって車速の上限値ａを設定し、この上限値ａにより
車速を制御して走行する際に、何等かの事由により減速
する必要が生じたときは、走行レバー１によって油圧等
による無段変速装置２を操作して減速させるが、この減
速したときの車速を減速上限値ｂとして該設定手段３に
よる設定上限値ａに代えて変更設定し、この減速上限値
ｂにより車速を制御して走行させる。なお、この減速上
限値ｂによる走行時に、走行レバー１を増速操作したと
きは該減速上限値ｂから変更前の設定上限値ａに復帰さ
せる。According to the above construction, the vehicle speed upper limit setting means 3 such as a dial is used when working on the agricultural work vehicle.
When a vehicle speed is controlled by the upper limit value a and the vehicle travels while the vehicle speed is controlled by the upper limit value a, if there is a need for deceleration for some reason, a continuously variable transmission device using hydraulic pressure or the like by the traveling lever 1 2 is operated to decelerate, but the vehicle speed at the time of deceleration is changed and set as the deceleration upper limit value b instead of the set upper limit value a by the setting means 3, and the vehicle speed is controlled by this deceleration upper limit value b to run. . When the traveling lever 1 is operated to increase speed during traveling with the deceleration upper limit value b, the deceleration upper limit value b is returned to the set upper limit value a before the change.
【０００６】このように、該設定手段３によって設定し
た車速の上限値ａを、走行レバー１の減速操作により減
速上限値ｂに変更設定して車速を減速制御し、次に走行
レバー１を増速操作したときは、該変更前の設定上限値
ａに復帰させて車速の制御を行わせることにより、従来
の如く、圃場に部分的に倒伏した立毛穀稈が存在するた
め車速を減速させる必要があるとき等、走行レバー１を
減速操作したにも拘らず、負荷が軽い場合には該上限値
ａまで自動的に増速することにより、刈取作業が阻害さ
れるということがなく、的確な車速制御により円滑に作
業を継続しうるものである。Thus, the upper limit value a of the vehicle speed set by the setting means 3 is changed to the deceleration upper limit value b by the deceleration operation of the traveling lever 1, the vehicle speed is controlled to be decelerated, and then the traveling lever 1 is increased. When the speed operation is performed, it is necessary to reduce the vehicle speed by returning to the set upper limit value "a" before the change and controlling the vehicle speed. For example, when the traveling lever 1 is decelerated and the load is light, the speed is automatically increased up to the upper limit value a, so that the reaping work is not hindered, and it is possible to accurately The work can be smoothly continued by controlling the vehicle speed.
【０００７】[0007]
【実施例】以下に、この発明の実施例を農作業車として
のコンバインについて図面に基づいて説明する。コンバ
インの車台４の下部側に地面を走行する左右一対の走行
クローラ５を有する走行装置６を配置し、該車台４上
に、フィードチェン７に挟持して供給される穀稈を脱穀
し、この脱穀された穀粒を選別回収して一時収納する穀
粒タンク８を備えた脱穀装置９を載置する。また、この
脱穀装置９の前方側に立毛穀稈を分草し引き起こして刈
り取ると共に、この刈り取った穀稈を後方側へ搬送して
該フィードチェン７へ受渡しする刈取装置１０を、地面
に対して上下昇降自在となるよう該車台４の前端部へ装
架する。また、該脱穀装置９の一側にコンバインの操作
制御を行う操作装置１１と、この操作のための操作席１
２とを設け、これらの走行装置６，脱穀装置９，刈取装
置１０，操作装置１１等によってコンバインの車体１３
を構成する。Embodiments of the present invention will be described below with reference to the drawings of a combine as an agricultural work vehicle. A traveling device 6 having a pair of left and right traveling crawlers 5 traveling on the ground is arranged on the lower side of the vehicle chassis 4 of the combine, and the grain stalks sandwiched between the feed chains 7 are threshed on the vehicle chassis 4. A threshing device 9 equipped with a grain tank 8 for sorting and collecting threshed grains and temporarily storing them is placed. In addition, a cutting device 10 for weeding and raising a standing culm to the front side of the threshing device 9 and carrying the cut culm to the rear side and delivering it to the feed chain 7 with respect to the ground. It is mounted on the front end of the chassis 4 so as to be able to move up and down. Further, an operating device 11 for controlling the operation of the combine on one side of the threshing device 9, and an operating seat 1 for this operation
2 are provided, and the vehicle body 13 of the combine is provided by these traveling device 6, threshing device 9, harvesting device 10, operating device 11 and the like.
Is configured.
【０００８】前記車台４の前端部に変速機構を内装した
走行用のミッションケース１４を設け、図２に示す如
く、このミッションケース１４の入力側に油圧駆動によ
り変速する無段変速装置２を連動連結して設けると共
に、該操作装置１１の一側に無段変速装置２を操作して
車速を変速制御する、セクトギヤ部１ａとレバー部１ｂ
とからなる走行レバー１をブレーキ用のライニング１ｃ
を介して支持軸１ｄに回動可能に軸承し、この走行レバ
ー１のセクトギヤ部１ａと、変速制御モータ１５のモー
タ軸１５ａに安全用のカップリング１５ｂを介して軸止
するセクトギヤ部１５ｃとを噛み合い連動させて構成す
る。At the front end of the chassis 4, a transmission mission case 14 having a speed change mechanism is provided, and as shown in FIG. 2, the input side of the transmission case 14 is interlocked with a continuously variable transmission 2 for hydraulically changing the speed. The sect gear portion 1a and the lever portion 1b are provided so as to be connected to each other and control the vehicle speed by operating the continuously variable transmission 2 on one side of the operating device 11.
The running lever 1 consisting of the lining 1c for braking
A sect gear portion 1a of the traveling lever 1 and a sect gear portion 15c which is axially fixed to the motor shaft 15a of the shift control motor 15 via a safety coupling 15b are rotatably supported by the support shaft 1d via the. It is configured by interlocking with each other.
【０００９】該走行レバー１のセクトギヤ部１ａと該無
段変速装置２のトラニオン軸２ａに軸止する変速アーム
２ｂとを連結桿１６によって連結して、該変速制御モー
タ１５の駆動により走行レバー１を操作して無段変速装
置２を変速させるよう構成すると共に、該走行レバー１
の操作位置を検出するポジションセンサ１７と、該走行
レバー１による車速の上限値ａを設定規制するダイヤル
形式の車速上限設定手段３とを適宜位置に配設して構成
する。The sect gear portion 1a of the traveling lever 1 and the speed change arm 2b which is fixed to the trunnion shaft 2a of the continuously variable transmission 2 are connected by a connecting rod 16 and the speed change control motor 15 is driven to drive the speed control lever 15. Is operated to shift the continuously variable transmission 2, and the traveling lever 1
A position sensor 17 for detecting the operating position of the vehicle and a vehicle speed upper limit setting means 3 of dial type for setting and restricting the upper limit value a of the vehicle speed by the traveling lever 1 are arranged at appropriate positions.
【００１０】前記操作席１２の下方に車体１３の各部へ
動力を供給するエンジン１８を搭載して設け、図３に示
す如く、このエンジン１８の一側に、燃料供給装置１９
とこの燃料供給装置１９の燃料供給量を調節するスロッ
トル２０とを設け、このスロットル２０をスロットルモ
ータ２１の駆動により開度位置を操作可能に連動連結さ
せて設けると共に、このスロットル２０の開度位置を検
出するスロットルポジションセンサ２２を適宜位置に配
設して構成する。また、該エンジン１８の適宜位置にそ
の出力回転数を検出するエンジン回転センサ２３を配設
する。、該操作装置１１の近傍に、図１のブロック図に
示す如く、中央に配したＣＰＵにより車速の演算制御を
行う車速制御装置２４を設け、この車速制御装置２４の
入力側へ、入力インタフェース２５を介して、前記車速
上限設定手段３，ポジションセンサ１７，スロットルポ
ジションセンサ２２，エンジン回転センサ２３，車速制
御をＯＮさせる車速制御スイッチ２６等を各々接続する
と共に、その出力側へ、出力インタフェース２７を介し
て、前記走行レバー１により無段変速装置２を変速させ
る変速制御モータ１５を駆動する増速側リレー２８ａと
減速側リレー２８ｂ，スロットル２０を開閉させるスロ
ットルモータ２１を駆動する開側リレー２９ａと閉側リ
レー２９ｂ等を各々接続して構成する。An engine 18 for supplying power to various parts of the vehicle body 13 is installed below the operating seat 12 and is provided with a fuel supply device 19 on one side of the engine 18 as shown in FIG.
And a throttle 20 for adjusting the fuel supply amount of the fuel supply device 19, the throttle 20 is provided so that the opening position is operably linked by driving the throttle motor 21, and the opening position of the throttle 20 is provided. A throttle position sensor 22 for detecting the is arranged at an appropriate position. Further, an engine rotation sensor 23 that detects the output speed of the engine 18 is arranged at an appropriate position of the engine 18. As shown in the block diagram of FIG. 1, a vehicle speed control device 24 for performing arithmetic control of the vehicle speed is provided in the vicinity of the operating device 11 by a centrally located CPU, and an input interface 25 is provided to the input side of the vehicle speed control device 24. The vehicle speed upper limit setting means 3, the position sensor 17, the throttle position sensor 22, the engine speed sensor 23, the vehicle speed control switch 26 for turning on the vehicle speed control, and the like are connected to each other via an output interface 27 to the output side. Via a speed increasing relay 28a for driving a speed change control motor 15 for shifting the continuously variable transmission 2 by the traveling lever 1, a deceleration side relay 28b, and an open side relay 29a for driving a throttle motor 21 for opening and closing the throttle 20. It is configured by connecting the closing side relays 29b and the like.
【００１１】エンジン１８の起動により各走行装置６、
脱穀装置９、刈取装置１０等へ動力の伝達を行い、この
伝達により該刈取装置１０を土壌面に摺接させて立毛穀
稈を刈り取り、刈り取った穀稈を該脱穀装置９へ搬送し
て脱穀処理を行うが、このようなコンバイン作業におい
て、該エンジン１８の出力回転数をエンジン回転センサ
２３によって検出し、予め設定されている設定値ｎにな
るようスロットルモータ２１を作用させてスロットル２
０の開度位置を調節制御する。When the engine 18 is started, each traveling device 6,
The power is transmitted to the threshing device 9, the mowing device 10, etc., and by this transmission, the mowing device 10 is brought into sliding contact with the soil surface to mow the napped culms, and the mowed grain culms are conveyed to the threshing device 9 and threshing. In this combine operation, the output rotation speed of the engine 18 is detected by the engine rotation sensor 23, and the throttle motor 21 is actuated so that the preset value n is reached.
The opening position of 0 is adjusted and controlled.
【００１２】このような状態において、図１のフローチ
ャートに示す如く、車速上限設定手段３により車速の上
限値ａが設定され、車速制御スイッチ２６がＯＮしてい
る車速制御中に、走行レバー１を減速側へ操作したとき
は、車速の上限値ａよりもポジションセンサ１７の検出
値による車速の方が小さいときには、走行レバー１によ
る減速位置を車速の減速上限値ｂとして該上限値ａに代
えて変更設定する。この減速上限値ｂにより車速制御中
に、走行レバー１を増速側へ操作したときは該減速上限
値ｂをリセットし該上限値ａに復帰させる。In such a state, as shown in the flowchart of FIG. 1, the vehicle speed upper limit setting means 3 sets the vehicle speed upper limit value a, and the vehicle speed control switch 26 is turned on. When the vehicle is operated toward the deceleration side and the vehicle speed detected by the position sensor 17 is smaller than the vehicle speed upper limit value a, the deceleration position of the traveling lever 1 is set as the vehicle speed deceleration upper limit value b instead of the upper limit value a. Change and set. When the traveling lever 1 is operated to the speed increasing side during the vehicle speed control with the deceleration upper limit value b, the deceleration upper limit value b is reset and returned to the upper limit value a.
【００１３】これらの情報により、作業負荷が軽いとき
は、走行レバー１により減速上限値ｂを設定し、この減
速上限値ｂよりもポジションセンサ１７の検出値による
車速の方が小さいときには、走行レバー１を変速制御モ
ータ１５により自動的に増速側へ操作させると共に、作
業負荷が重いときには、走行レバー１を変速制御モータ
１５により自動的に減速側へ操作させる。From these information, when the work load is light, the deceleration upper limit value b is set by the traveling lever 1, and when the vehicle speed detected by the position sensor 17 is lower than the deceleration upper limit value b, the traveling lever is set. 1 is automatically operated by the shift control motor 15 to the speed increasing side, and when the work load is heavy, the traveling lever 1 is automatically operated by the shift control motor 15 to the deceleration side.
【００１４】このように、該設定手段３による車速の設
定上限値ａによって車速を制御して作業を行っていると
きに、圃場に部分的に倒伏した立毛穀稈が存在するため
車速を減速させる必要があるとき等には、走行レバー１
を減速側に操作することにより、この減速位置を減速上
限値ｂに変更設定して車速を減速制御することができる
から、走行レバー１を減速操作したにも拘らず、負荷が
軽い場合には該上限値ａまで自動的に増速して刈取作業
が阻害されるということがなく、的確な車速制御により
円滑に作業を継続することができる。また、次に走行レ
バー１を増速側へ操作したときは、減速上限値ｂをリセ
ットして変更前の設定上限値ａに復帰して制御を行わせ
ることができるから、車速の設定上限値ａと減速上限値
ｂとの変更設定を簡単容易に行うことができる。As described above, when the vehicle speed is controlled by the setting upper limit value a of the vehicle speed by the setting means 3, the vehicle speed is decelerated because there is a partially fallen napped culm in the field. When necessary, run lever 1
The deceleration position can be changed to the deceleration upper limit value b to control the vehicle speed by decelerating the vehicle. Therefore, when the traveling lever 1 is decelerated and the load is light, It is possible to continue the work smoothly by the accurate vehicle speed control without the reaping work being hindered by automatically increasing the speed to the upper limit value a. Further, when the traveling lever 1 is next operated to the speed increasing side, the deceleration upper limit value b can be reset to return to the set upper limit value a before the change and control can be performed. It is possible to easily and easily change and set a and the deceleration upper limit value b.
【００１５】また、コンバインの作業時に、図４のフロ
ーチャートに示す如く、該設定手段３により車速の上限
値ａが設定され、車速制御スイッチ２６がＯＮしている
車速制御中に、車速が設定上限値ａより早いときは、走
行レバー１を前記変速制御モータ１５により自動的に減
速側へ操作させると共に、車速が設定上限値ａより遅い
ときは、ファジィ車速制御により車速の上限値ａまで自
動的に増速させる。このように、該設定手段３による設
定上限値ａを基準として、車速を自動的に減速又は増速
させることができるから、作業性が向上する。During the combine operation, as shown in the flowchart of FIG. 4, the vehicle speed upper limit value a is set by the setting means 3 and the vehicle speed control switch 26 is turned ON. When the speed is faster than the value a, the travel lever 1 is automatically operated to the deceleration side by the shift control motor 15, and when the vehicle speed is slower than the set upper limit value a, the fuzzy vehicle speed control automatically sets the vehicle speed to the upper limit value a. Speed up. In this way, the vehicle speed can be automatically decelerated or increased with reference to the upper limit value a set by the setting means 3, so that workability is improved.
【００１６】また、図５のフローチャートに示す如く、
車速制御中に、車速が設定上限値ａより遅いときは、フ
ァジィ車速制御により車速の上限値ａまで自動的に増速
させると共に、車速が設定上限値ａより早いときは、走
行レバー１を変速制御モータ１５により自動的に減速側
へ操作させる際に、走行レバー１を操作する変速制御モ
ータ１５による減速操作量を、ファジィ車速制御時にお
ける該モータ１５の許容範囲内での最高速回転となるよ
う、図５に示す如きパルスによって出力させることによ
り、設定上限値ａまで速やかに減速させることができる
から、作業性が著しく向上する。Further, as shown in the flow chart of FIG.
When the vehicle speed is lower than the set upper limit value a during the vehicle speed control, the fuzzy vehicle speed control automatically increases the vehicle speed to the upper limit value a, and when the vehicle speed is faster than the set upper limit value a, the traveling lever 1 is shifted. When the control motor 15 automatically operates to the deceleration side, the deceleration operation amount by the shift control motor 15 that operates the traveling lever 1 becomes the highest speed rotation within the allowable range of the motor 15 during fuzzy vehicle speed control. As described above, by outputting with a pulse as shown in FIG. 5, it is possible to rapidly decelerate to the set upper limit value a, so that workability is significantly improved.
【００１７】また、図６のフローチャートに示す如く、
車速制御中に、車速が設定上限値ａより遅いときは、フ
ァジィ車速制御により車速の上限値ａまで自動的に増速
させると共に、車速が設定上限値ａより早いときは、走
行レバー１を変速制御モータ１５により自動的に減速側
へ操作させる際に、前記スロットル２０の開度を操作す
るスロットルモータ２１の開度操作量を、ファジィ推論
からスロットルポジションセンサ２２の検出値によって
開側又は閉側へ出力させることにより、該エンジン１８
の回転数を前記設定値ｎに保持させることができるか
ら、安定した性能により作業を継続することができる。Further, as shown in the flow chart of FIG.
When the vehicle speed is lower than the set upper limit value a during the vehicle speed control, the fuzzy vehicle speed control automatically increases the vehicle speed to the upper limit value a, and when the vehicle speed is faster than the set upper limit value a, the traveling lever 1 is shifted. When the control motor 15 automatically operates to the deceleration side, the opening operation amount of the throttle motor 21 that operates the opening of the throttle 20 is opened or closed depending on the detection value of the throttle position sensor 22 based on fuzzy reasoning. Output to the engine 18
Since it is possible to maintain the number of rotations of 1 to the set value n, the work can be continued with stable performance.
【００１８】なお、前記無段変速装置２を走行レバー１
により手動操作を行いうることは勿論であり、自動操作
中に手動操作を優先させることも可能である。The continuously variable transmission 2 is connected to the traveling lever 1
It goes without saying that the manual operation can be performed by, and the manual operation can be prioritized during the automatic operation.
【図１】車速の変速制御手順を示すフローチャートとそ
の制御回路を示すブロック図。FIG. 1 is a block diagram showing a flowchart showing a vehicle speed shift control procedure and its control circuit.
【図２】車速の変速制御機構を示す斜視図。FIG. 2 is a perspective view showing a vehicle speed shift control mechanism.
【図３】エンジンの回転制御機構を示す側面図。FIG. 3 is a side view showing an engine rotation control mechanism.
【図４】車速の変速制御手順を示すフローチャート。FIG. 4 is a flowchart showing a vehicle speed shift control procedure.
【図５】車速の変速制御手順を示すフローチャートと変
速制御モータのパルス出力を示す線図。FIG. 5 is a flowchart showing a vehicle speed shift control procedure and a diagram showing a pulse output of a gear shift control motor.
【図６】車速の変速制御手順を示すフローチャート。FIG. 6 is a flowchart showing a vehicle speed shift control procedure.
【図７】コンバインの全体を示す側面図。FIG. 7 is a side view showing the entire combine.
１． 走行レバー ２． 無段変速装置 ３． 車速上限設定手段 ａ． 上限値 ｂ． 減速上限値 1. Travel lever 2. Continuously variable transmission 3. Vehicle speed upper limit setting means a. Upper limit b. Deceleration upper limit
Claims (1)
作用させて車速を変速すると共にこの車速の上限値ａ，
ｂを設定する農作業車において、該走行レバー１の減速
側への操作によってこの減速された車速を減速上限値ｂ
として変更設定すると共に、次の増速側への操作により
該変更前の上限値ａに復帰させる車速上限設定手段３を
有する車速制御装置。1. A vehicle speed is changed by operating a continuously variable transmission 2 by operating a traveling lever 1, and an upper limit value a of this vehicle speed,
In the agricultural work vehicle for which b is set, the vehicle speed reduced by the operation of the traveling lever 1 toward the deceleration side is set to the deceleration upper limit value b.
The vehicle speed control device having the vehicle speed upper limit setting means 3 for changing and setting as above and returning to the upper limit value a before the change by the operation to the next speed increasing side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07080796A JP3750180B2 (en) | 1996-03-27 | 1996-03-27 | Combine vehicle speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07080796A JP3750180B2 (en) | 1996-03-27 | 1996-03-27 | Combine vehicle speed control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09262022A true JPH09262022A (en) | 1997-10-07 |
| JP3750180B2 JP3750180B2 (en) | 2006-03-01 |
Family
ID=13442214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07080796A Expired - Fee Related JP3750180B2 (en) | 1996-03-27 | 1996-03-27 | Combine vehicle speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3750180B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011173490A (en) * | 2010-02-24 | 2011-09-08 | Yanmar Co Ltd | Sensor unit for shift operation lever |
| JP2018102150A (en) * | 2016-12-22 | 2018-07-05 | 株式会社クボタ | Working vehicle |
| JP2020174537A (en) * | 2019-04-15 | 2020-10-29 | 三菱マヒンドラ農機株式会社 | Work vehicle |
-
1996
- 1996-03-27 JP JP07080796A patent/JP3750180B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011173490A (en) * | 2010-02-24 | 2011-09-08 | Yanmar Co Ltd | Sensor unit for shift operation lever |
| JP2018102150A (en) * | 2016-12-22 | 2018-07-05 | 株式会社クボタ | Working vehicle |
| JP2020174537A (en) * | 2019-04-15 | 2020-10-29 | 三菱マヒンドラ農機株式会社 | Work vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3750180B2 (en) | 2006-03-01 |
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