JP2007125931A - Structure of getting-on/off section of working vehicle - Google Patents

Structure of getting-on/off section of working vehicle Download PDF

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JP2007125931A
JP2007125931A JP2005318479A JP2005318479A JP2007125931A JP 2007125931 A JP2007125931 A JP 2007125931A JP 2005318479 A JP2005318479 A JP 2005318479A JP 2005318479 A JP2005318479 A JP 2005318479A JP 2007125931 A JP2007125931 A JP 2007125931A
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floor
vehicle body
auxiliary step
auxiliary
getting
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JP4634910B2 (en
Inventor
Yoshitaka Tokawa
嘉孝 東川
Tadashi Nakamura
正 中村
Kenkichi Hirakawa
健吉 平川
Makoto Kubota
誠 久保田
Tokuhide Iwata
徳秀 岩田
Katsumi Yanagihara
克己 柳原
Yutaka Inubushi
豊 犬伏
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Kubota Corp
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Kubota Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To suppress enlargement in the lateral width of a vehicle body caused by auxiliary steps and reduction in the lateral width of a floor body of the vehicle body in a working vehicle that allows the easy getting-on/off of the vehicle body by using the auxiliary steps. <P>SOLUTION: A notch 22 is formed at the lateral end of the floor body 11 so as to be opened outward in the lateral direction of the vehicle body. The auxiliary step 21 is arranged immediately under the notch 22. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、作業車の乗降部構造に関する。   The present invention relates to a structure for getting on and off a work vehicle.

作業車において、車体の床体端部の付近に、床体よりも低く配置した補助ステップを設け、補助ステップを使用することによって作業車に容易に乗ったり、作業車から容易に降りたりすることができるように乗降部構造を構成されることがある。   In a work vehicle, an auxiliary step arranged lower than the floor body is provided near the end of the floor body of the vehicle body, and it is possible to easily get on and off the work vehicle by using the auxiliary step. The entrance / exit structure may be configured so that

この種の作業車として、従来、たとえば特許文献１に示されるものがあった。
特許文献１に示されるものは、ステップ１３、及び、このステップ１３の横外側に連結された補助ステップ２６を備えて成る床体を設け、補助ステップ２６の横外側端に段差ステップ４０（補助ステップに相当）を設けたものである。 Conventionally, for example, this type of work vehicle is disclosed in Patent Document 1.
In Patent Document 1, a floor body comprising step 13 and auxiliary step 26 connected to the laterally outer side of step 13 is provided, and a step 40 (auxiliary step) is provided at the laterally outer end of auxiliary step 26. Equivalent).

特開平１１−８９３３６号公報（段落〔００２０〕，〔００２１〕，〔００３１〕、図１，２，３，６）JP-A-11-89336 (paragraphs [0020], [0021], [0031], FIGS. 1, 2, 3, 6)

従来の技術を採用した場合、補助ステップを使用しやすくするには、補助ステップから床体上に、床体上から補助ステップにそれぞれ足を移動させやすいように、補助ステップを床体から車体横外方側にかなり突出させる必要があり、この結果、補助ステップのために車体横幅が大きくなったり、補助ステップが車体外に大きく突出したりすることを抑制すると、補助ステップを車体内側に配置せねばならず、その分、床体の横幅が狭くなっていた。   When the conventional technology is adopted, to make it easier to use the auxiliary step, the auxiliary step is moved from the floor to the side of the vehicle body so that it is easy to move the foot from the auxiliary step to the floor and from the floor to the auxiliary step. It is necessary to make it protrude outward considerably. As a result, if the vehicle body width increases due to the auxiliary step or the auxiliary step is prevented from protruding greatly outside the vehicle, the auxiliary step must be arranged inside the vehicle body. However, the width of the floor was reduced accordingly.

本発明の目的は、補助ステップを使用しやすいものでありながら、補助ステップのために車体横幅が大きくなったり、床体横幅が狭くなったりすることを抑制できる作業車の乗降部構造を提供することにある。   SUMMARY OF THE INVENTION An object of the present invention is to provide a work vehicle entrance / exit structure that can suppress an increase in a vehicle body width or a floor width due to an auxiliary step while being easy to use the auxiliary step. There is.

本第１発明による作業車の乗降部構造にあっては、車体の床体の横端部に車体横外方側に向かって開口した状態で設けた切り欠き部、及び、前記切り欠き部の直下に配置した補助ステップを備えてある。   In the work vehicle entrance / exit structure according to the first aspect of the present invention, a notch provided in the lateral end of the floor of the vehicle body in an open state toward the laterally outward side of the vehicle, and the notch An auxiliary step is provided directly below.

すなわち、補助ステップを床体から車体横外方側に突出させなくとも、突出させた場合に突出長さを短く済ませても、補助ステップから床体上に、床体上から補助ステップにそれぞれ切り欠き部を介して足を容易に移動させることができるものである。これにより、補助ステップを床体に極力寄せて車体横幅や、補助ステップの突出を極力小さくしながら、かつ、床体の横幅を極力広くしながら補助ステップを容易に使用して車体に乗ったり、車体から降りたりすることができる。   In other words, even if the auxiliary step does not protrude from the floor to the lateral side of the vehicle body, it can be cut from the auxiliary step to the floor and from the floor to the auxiliary step even if the protruding length is shortened. The foot can be easily moved through the notch. As a result, the auxiliary step is brought to the floor body as much as possible, while the vehicle body width and the protrusion of the auxiliary step are made as small as possible, and the floor width of the floor body is made as wide as possible and the auxiliary step is easily used to get on the vehicle body, You can get off the car body.

従って、本第１発明によると、補助ステップを使用しやすくて楽に乗り降りすることができるものでありながら、車体横幅や、補助ステップの突出を小さくしてコンパクな状態に得ることがき、かつ、床体の横幅を極力広くして広い運転部空間を形成することができる。   Therefore, according to the first aspect of the invention, the auxiliary step can be easily used and can easily get on and off, and the vehicle body width and the protrusion of the auxiliary step can be reduced to obtain a compact state. A wide driving part space can be formed by making the width of the body as wide as possible.

本第２発明にあっては、本第１発明の構成において、前記補助ステップを、車体構造体より車体横外方側に突出しないように配置してある。   According to the second aspect of the invention, in the configuration of the first aspect of the invention, the auxiliary step is arranged so as not to protrude outwardly from the vehicle body structure.

すなわち、補助ステップが車体構造体より車体横外方側に突出しないものだから、補助ステップが車体から横外方側に突出しないようにしながら、床体として横端が車体横端やその付近まで至るなど幅広の床体を採用することができる。   That is, since the auxiliary step does not protrude laterally outward from the vehicle body structure, the lateral end of the floor extends to the lateral end of the vehicle body or its vicinity while preventing the auxiliary step from protruding laterally outward from the vehicle body. A wide floor body can be used.

従って、本第２発明によると、補助ステップが車体外に突出しないものでありながら、幅広の床体を採用し、運転部空間が広くて楽に運転するなど有利な状態に得ることができる。   Therefore, according to the second invention, although the auxiliary step does not protrude outside the vehicle body, it is possible to obtain an advantageous state such as adopting a wide floor and driving comfortably with a wide driving space.

本第３発明にあっては、本第１又は第２発明の構成において、前記補助ステップの上方空間が補助ステップ奥側の床体下方空間に連通している。   According to the third aspect of the invention, in the configuration of the first or second aspect of the invention, the upper space of the auxiliary step communicates with the floor body lower space on the back side of the auxiliary step.

すなわち、つま先が補助ステップから補助ステップ奥側の床体下方空間に突出した状態にして足を補助ステップに掛けることができるものである。   That is, the foot can be put on the auxiliary step with the toe protruding from the auxiliary step into the space below the floor body on the back side of the auxiliary step.

従って、本第３発明によると、補助ステップが床板から突出しないとか、それに近いものであっても、足のつま先よりも踵側に寄った部位で補助ステップを踏んで安定的に乗り降りすることができる。   Therefore, according to the third invention, even if the auxiliary step does not protrude from the floor board or is close to it, it is possible to stably get on and off by stepping on the auxiliary step at a site closer to the heel side than the toes of the foot. it can.

以下、本発明の実施例を図面に基づいて説明する。
図１に示すように、左右一対の操向操作及び駆動自在な前車輪１、左右一対の駆動自在な後車輪２、車体前端部に設けたエンジン３が装備された原動部４、車体後端部に設けた運転座席５が装備された運転部６、運転座席５の後側近くに設けた転倒保護枠７を備えた自走車体の車体フレームの後部を構成しているミッションケース８の上部に、左右一対のリフトアーム９をミッションケース内に位置する油圧シリンダ（図示せず）によって上下揺動操作自在に設け、前記ミッションケース８の下部に動力取り出し軸１０を設けて、トラクタを構成してある。 Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIG. 1, a pair of left and right steering operations and driveable front wheels 1, a pair of left and right driveable rear wheels 2, a drive unit 4 equipped with an engine 3 provided at the front end of the vehicle body, a rear end of the vehicle body The upper part of the transmission case 8 constituting the rear part of the body frame of the self-propelled vehicle body provided with the driving part 6 equipped with the driving seat 5 provided in the part and the overturn protection frame 7 provided near the rear side of the driving seat 5 Further, a pair of left and right lift arms 9 are provided so as to be swingable up and down by a hydraulic cylinder (not shown) located in the transmission case, and a power take-off shaft 10 is provided below the transmission case 8 to constitute a tractor. It is.

このトラクタは、車体フレームの後部にロータリ耕耘装置を前記リフトアーム９によって昇降操作するように連結するとともに、エンジン３の駆動力を動力取り出し軸１０からロータリ耕耘装置に伝達するように構成して、乗用型の耕耘機を構成するなど、各種の作業装置を昇降操作及び駆動自在に連結して各種の乗用型作業機を構成するものである。   The tractor is configured to connect the rotary tiller to the rear part of the vehicle body frame so as to be lifted and lowered by the lift arm 9 and to transmit the driving force of the engine 3 from the power take-out shaft 10 to the rotary tiller. Various riding devices such as a riding type tiller are configured by connecting various working devices so as to be lifted and driven freely.

図１，２，３に示すように、運転座席５の前方に自走車体の横方向での一端から他端にわたって設置したメイン床１１ａ、原動部４のエンジン収容室と運転部６の居住空間とを仕切る壁体１２の下端部の両横側に前記メイン床１１ａの前端部から車体前方向き及び上方向きに延出する傾斜状態で設置したペダル操作床１１ｂを備えた運転部床１１を設けてある。運転部６の両横端部の後輪フェンダー１３の前側に、補助ステップ２１を備えた乗降部２０を設けてある。   As shown in FIGS. 1, 2, and 3, the main floor 11 a installed in front of the driver seat 5 from one end to the other end in the lateral direction of the self-propelled vehicle body, the engine storage chamber of the driving unit 4 and the living space of the driver 6 And a driving section floor 11 provided with a pedal operation floor 11b installed in an inclined state extending from the front end of the main floor 11a toward the front and upward of the vehicle body on both lateral sides of the lower end of the wall body 12. It is. On the front side of the rear wheel fender 13 at both lateral ends of the driving unit 6, a boarding / alighting unit 20 having an auxiliary step 21 is provided.

前記左右の乗降部２０は、同様に構成してあり、右側の乗降部２０を図示せず、左側の乗降部２０を例に図示して乗降部２０について説明する。   The left and right getting-on / off units 20 are configured in the same manner, and the right-side getting-on / off unit 20 is not shown, and the left-side getting-on / off unit 20 is illustrated as an example to explain the getting-on / off unit 20.

図２，３，４などに示すように、乗降部２０は、前記運転部床１１におけるメイン床１１ａの横端部に、切り欠き部２２を車体横外方側に向かって開口した状態で設け、前記切り欠き部２２の直下に前記補助ステップ２１を配置することによって構成してある。補助ステップ２１の上方空間が補助ステップ奥側の運転部床下方空間２３に連通するように運転床１１におけるメイン床１１ａの下方を開放してある。   As shown in FIGS. 2, 3, 4, etc., the getting-on / off unit 20 is provided at the lateral end of the main floor 11 a in the operation unit floor 11 with a notch 22 opened toward the laterally outward side of the vehicle body. The auxiliary step 21 is arranged immediately below the notch 22. The lower part of the operation floor 11 below the main floor 11a is opened so that the space above the auxiliary step 21 communicates with the operation part floor lower space 23 on the back side of the auxiliary step.

すなわち、乗降部２０は、地上から車体に乗る際も、車体から地上に降りる際も、地面と運転部床１１の間の高さに位置する補助ステップ２１を利用して、かつ、運転部床１１から補助ステップ２１に、補助ステップ２１から運転部床１１にそれぞれ切り欠き部２２を介して足を容易に移動させて楽に乗り降りすることを可能にしている。補助ステップ２１に足を掛ける際、つま先が補助ステップ２１から補助ステップ奥側の運転部床下方の空間２３に突出した状態にして足を補助ステップ２１に掛け、足のつま先よりも踵側に寄った部位で補助ステップ２１を踏んで乗り降りすることを可能にしている。   That is, the boarding / exiting unit 20 uses the auxiliary step 21 located at the height between the ground and the driving unit floor 11 when getting on the vehicle body from the ground and when getting off the ground from the vehicle body, and the driving unit floor. 11 to the auxiliary step 21 and from the auxiliary step 21 to the driving unit floor 11 through the notch portion 22 respectively, it is possible to easily get on and off the foot. When the foot is put on the auxiliary step 21, the toe protrudes from the auxiliary step 21 into the space 23 below the driving unit floor on the back side of the auxiliary step, and the foot is put on the auxiliary step 21 and closer to the heel side than the toe of the foot. It is possible to step on and off the auxiliary step 21 at the site.

補助ステップ２１の複数箇所に、補助ステップ２１の下面側から上面側に貫通孔を設ける加工を施すことによって貫通孔の周囲に形成された滑り止め突起２４を設けてある。   Non-slip protrusions 24 formed around the through hole are provided at a plurality of locations of the auxiliary step 21 by performing a process of providing the through hole from the lower surface side to the upper surface side of the auxiliary step 21.

補助ステップ２１は、この補助ステップ２１の前後両端側に連結している車体上方向きの支持体２５の上端側を運転部床１１に連結することにより、運転部床１１に支持させてある。補助ステップ２１も各支持体２５も、車体構造体としての後輪フェンダー１３よりも車体横外方側に突出しないように、補助ステップ２１の車体外方側端２１ａを、後輪フェンダー１３の車体外方側端１３ａと車体横方向でほぼ同一箇所に位置するように配置し、支持体２５の車体外方側端２５ａを、後輪フェンダー１３の車体外方側端１３ａよりも車体内側に位置するように配置してある。   The auxiliary step 21 is supported on the driving unit floor 11 by connecting the upper end side of the support body 25 facing the vehicle body upward to both the front and rear ends of the auxiliary step 21 to the driving unit floor 11. The vehicle body outer side end 21 a of the auxiliary step 21 is connected to the vehicle body of the rear wheel fender 13 so that neither the auxiliary step 21 nor each support body 25 protrudes laterally outward of the vehicle body from the rear wheel fender 13 as the vehicle body structure. The vehicle body outer side end 25a of the support body 25 is positioned closer to the vehicle body inner side than the vehicle body outer side end 13a of the rear wheel fender 13. It is arranged to do.

図５に示すように、一方の後輪フェンダー１３の上方に、走行用副変速装置（図示せず）を切り換え操作する副変速レバー３０、動力取り出し軸１０の出力の速度や回転方向を変更する作業変速レバー３１、各レバー３０，３１のためのガイド溝３２，３３、及び、各レバー３０，３１の操作位置を示すレバー位置表示面３４，３５を備えたレバーガイド３６を設けてある。図６に明示するように、各レバー位置表示面３４，３５は、対応するレバー３０，３１のガイド溝３２，３３よりも車体内側に設け、かつ、運転者から見やすいようにガイド溝３２，３３から運転座席５の方に離れるほど（車体内側に至るほど）低い配置高さに位置した状態に傾斜した傾斜面にしてある。   As shown in FIG. 5, the speed and rotation direction of the output of the auxiliary transmission lever 30 and the power take-off shaft 10 for switching the auxiliary transmission for traveling (not shown) are changed above the rear wheel fender 13. A lever guide 36 provided with a work speed change lever 31, guide grooves 32, 33 for the levers 30, 31, and lever position display surfaces 34, 35 indicating the operation positions of the levers 30, 31 is provided. As clearly shown in FIG. 6, the lever position display surfaces 34 and 35 are provided on the inner side of the vehicle body than the guide grooves 32 and 33 of the corresponding levers 30 and 31, and the guide grooves 32 and 33 are easy to see from the driver. The inclined surface is inclined so as to be located at a lower arrangement height as it moves away from the driver seat 5 toward the driver's seat 5 (as it goes to the inside of the vehicle body).

図１，７に示すように、前記転倒保護枠７の左右の車体上下向きの縦枠部に、前後一対の方向指示器４１，４２を備えた方向支持装置４０を取付けてある。左右の方向指示装置４０は、前側の方向指示器４１を装着する前側支持片４３ａ、後側の方向指示器４２を装着する後側支持片４３ｂなどを備えた一つの取り付け台４３を介して転倒保護枠７に支持させてある。   As shown in FIGS. 1 and 7, a direction support device 40 including a pair of front and rear direction indicators 41 and 42 is attached to left and right vertical frame portions of the vehicle body of the fall protection frame 7. The left and right direction indicating devices 40 fall through a single mounting base 43 including a front support piece 43a for attaching the front direction indicator 41, a rear support piece 43b for attaching the rear direction indicator 42, and the like. It is supported by the protective frame 7.

図７，８に示すように、前記取り付け台４３は、この取り付け台４３の車体外側端に前記前側支持片４３ａと前記後側支持片４３ｂを連結する連結片４３ｃを備え、取り付け台４３の内部に、前側支持片４３ａ、後側支持片４３ｂ、連結片４３ｃのそれぞれによって囲われた電線収容空間４４を備えるように折り曲げ成形した板金材によって構成してある。前記電線収容空間４４の上部に配置した連結ピン４５を、転倒保護枠７に固定のブラケット４６に回動自在に連結し、前記電線収容空間４４の下部に配置した固定片４７を、転倒保護枠７の回り止めブラケット４８にロックボルト４９によって脱着自在に連結することにより、取り付け台４３を転倒保護枠７に連結してある。   As shown in FIGS. 7 and 8, the mounting base 43 includes a connection piece 43 c that connects the front support piece 43 a and the rear support piece 43 b to the vehicle body outer side end of the mounting base 43. Further, it is made of a sheet metal material that is bent so as to have an electric wire housing space 44 surrounded by the front support piece 43a, the rear support piece 43b, and the connection piece 43c. A connecting pin 45 arranged at the upper part of the electric wire housing space 44 is rotatably connected to a bracket 46 fixed to the fall protection frame 7, and a fixed piece 47 arranged at the lower part of the electric wire housing space 44 is attached to the fall protection frame. The mounting base 43 is connected to the fall protection frame 7 by detachably connecting to the detent bracket 48 of 7 with a lock bolt 49.

つまり、方向指示装置４０の組み付けや、方向指示器４１の交換を行う際、図８（ロ）に示すように、ロックボルト４９を取り外して固定片４７の回り止めブラケット４８に対する連結を解除し、この連結解除状態になった取り付け台４３を連結ピン４５の軸芯まわりで転倒保護枠７に対して上昇揺動操作することにより、電線収容空間４４が、前記連結片４３ｃが位置する側とは反対側で下方向きに開口し、この開口から電線を結線するなどの作業を行うことができる。この結果、方向指示装置４０の全体を転倒保護枠７から取り外す必要がなく、作業を能率よく行うことができ、かつ、電線収容空間４４に収容する電線の長さを短く済ませることができる。   That is, when assembling the direction indicating device 40 or replacing the direction indicator 41, as shown in FIG. 8 (b), the lock bolt 49 is removed to release the connection of the fixing piece 47 to the detent bracket 48, When the mounting base 43 in the disconnected state is moved up and down with respect to the overturn protection frame 7 around the axis of the connecting pin 45, the wire receiving space 44 is defined as the side where the connecting piece 43c is located. It is possible to perform an operation such as opening downward on the opposite side and connecting an electric wire from this opening. As a result, it is not necessary to remove the entire direction indicating device 40 from the overturn protection frame 7, the work can be performed efficiently, and the length of the electric wire accommodated in the electric wire accommodating space 44 can be shortened.

〔別実施例〕
上記実施例の如く、運転部床１１の横端部に切り欠き部２２を設けて実施する他、運転部床１１の横端に床延長用の補助床を連結して車体全体の床を構成し、補助床の横端部に切り欠き部を設けて実施する場合にも本発明は適用することができる。従って、運転部床１１、運転部床１１と補助床で成る床などを総称して車体の床体１１と呼称する。 [Another Example]
As in the above embodiment, the cutout 22 is provided at the lateral end of the driving unit floor 11, and an auxiliary floor for floor extension is connected to the horizontal end of the driving unit floor 11 to constitute the floor of the entire vehicle body. However, the present invention can also be applied to a case where a cutout portion is provided in the lateral end portion of the auxiliary floor. Therefore, the driving unit floor 11, the floor composed of the driving unit floor 11 and the auxiliary floor, and the like are collectively referred to as a vehicle body floor body 11.

本発明は、トラクタの他、田植機、芝刈り機、コンバインなど各種の車両にも適用することができるのであり、これらを総称して作業車と呼称する。   The present invention can be applied to various vehicles such as a rice transplanter, a lawn mower, and a combiner in addition to a tractor. These are collectively referred to as a work vehicle.

トラクタ全体の側面図Side view of the entire tractor 乗降部の側面図Side view of getting on and off 乗降部の平面図Plan view of boarding / exiting section 図３のＡ−Ａ断面矢視図AA cross-sectional arrow view of FIG. 操作レバー配設部の平面図Top view of the operating lever arrangement 図５のＢ−Ｂ断面矢視図BB sectional view of FIG. 5 方向指示装置の側面図Side view of direction indicator （イ）は、方向指示装置の装着状態での正面図、（ロ）は、方向指示装置の点検要領を示す正面図(A) is a front view of the direction indicating device in a mounted state, and (b) is a front view showing an inspection procedure for the direction indicating device.

符号の説明Explanation of symbols

１１ 床体
１３ 車体構造体
２１ 補助ステップ
２２ 切り欠き部
２３ 床下方空間 11 Floor body 13 Car body structure 21 Auxiliary step 22 Notch portion 23 Floor lower space

Claims (3)

車体の床体の横端部に車体横外方側に向かって開口した状態で設けた切り欠き部、及び、前記切り欠き部の直下に配置した補助ステップを備えてある作業車の乗降部構造。   A structure for getting on and off a work vehicle, comprising a notch provided at the lateral end of the floor of the vehicle body in an open state toward the laterally outward side of the vehicle body, and an auxiliary step disposed immediately below the notch . 前記補助ステップを、前記車体構造体より車体横外方側に突出しないように配置してある請求項１記載の作業車の乗降部構造。   2. The work vehicle entrance / exit structure according to claim 1, wherein the auxiliary step is disposed so as not to protrude laterally outward of the vehicle body from the vehicle body structure. 前記補助ステップの上方空間が補助ステップ奥側の床体下方空間に連通している請求項１又は２記載の作業車の乗降部構造。   The structure for getting on and off the work vehicle according to claim 1 or 2, wherein the space above the auxiliary step communicates with the space below the floor body on the back side of the auxiliary step.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8801019B2 (en) 2012-07-27 2014-08-12 Kubota Corporation Working vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004201502A (en) * 2002-12-20 2004-07-22 Yanmar Agricult Equip Co Ltd Sulky rice transplanter
JP2004243802A (en) * 2003-02-12 2004-09-02 Mitsubishi Agricult Mach Co Ltd Mounting structure of auxiliary step for getting on and off on working vehicle
JP2005067533A (en) * 2003-08-27 2005-03-17 Shin Caterpillar Mitsubishi Ltd Wheel type construction machinery

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004201502A (en) * 2002-12-20 2004-07-22 Yanmar Agricult Equip Co Ltd Sulky rice transplanter
JP2004243802A (en) * 2003-02-12 2004-09-02 Mitsubishi Agricult Mach Co Ltd Mounting structure of auxiliary step for getting on and off on working vehicle
JP2005067533A (en) * 2003-08-27 2005-03-17 Shin Caterpillar Mitsubishi Ltd Wheel type construction machinery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8801019B2 (en) 2012-07-27 2014-08-12 Kubota Corporation Working vehicle

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