JPH10183697A - Panel structure of working machine - Google Patents

Panel structure of working machine

Info

Publication number
JPH10183697A
JPH10183697A JP34985896A JP34985896A JPH10183697A JP H10183697 A JPH10183697 A JP H10183697A JP 34985896 A JP34985896 A JP 34985896A JP 34985896 A JP34985896 A JP 34985896A JP H10183697 A JPH10183697 A JP H10183697A
Authority
JP
Japan
Prior art keywords
panel
case
panel body
opening
display device
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.)
Pending
Application number
JP34985896A
Other languages
Japanese (ja)
Inventor
Takanori Miura
敬典 三浦
Kenichi Oyama
賢一 大山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
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 by Kubota Corp filed Critical Kubota Corp
Priority to JP34985896A priority Critical patent/JPH10183697A/en
Publication of JPH10183697A publication Critical patent/JPH10183697A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/26Indicating devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

PROBLEM TO BE SOLVED: To rationally constitute a panel which can be easily assemble without labors, by inserting a case provided with an indication device and an operating tool from the lower side of the panel body against the opening of the upper face of the panel body and connecting the panel body and the case so as to watch the indication device and control the operating tool from the opening. SOLUTION: A panel P is constituted of a panel body 16 forming the external wall and a waterproof hermetically sealing case 17 provided in the inside. An opening 16T is formed at a little hollowed position on the flat face 16S of the panel body 16. The panel P can be assembled by only a simple fitting work of the hermetically sealing case 17 to the panel body 16 and a liquid crystal display covered with a transparent window 19 is provided in the sealing case 17. And an electric switch is constituted of a pressing piece integrally formed with a rubber material. In this way, the sealing property can be easily improved to prevent water or dust from penetrating to the inside. The upper face of such panel body 16 is set to form an inclined posture getting lower at the driver' s seat 8 side.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、作業機のパネル構
造の改良に関する。
The present invention relates to an improvement in a panel structure of a working machine.

【0002】[0002]

【従来の技術】上記のように構成された作業機としてバ
ックホウを例に挙げると、従来からのバックホウでは運
転座席の近傍位置に対して、エンジン回転数、燃料残量
等を示す表示装置を備えると共に、バケットの位置の制
御、負荷に応じたエンジンの回転数の制御等を行うスイ
ッチ等の操作具を備えたパネルを配置しており、このパ
ネルを組立てる際にはパネル本体に対しては表示装置
類、スイッチ類を別個に取り付ける作業形態となってい
た。
2. Description of the Related Art Taking a backhoe as an example of a working machine configured as described above, a conventional backhoe has a display device for indicating an engine speed, a remaining fuel amount, and the like at a position near a driver's seat. In addition, a panel with operating tools such as switches for controlling the position of the bucket, controlling the number of revolutions of the engine according to the load, etc. is arranged, and when assembling this panel, it is displayed on the panel body. The device and the switches were separately attached.

【0003】[0003]

【発明が解決しようとする課題】しかし、パネル本体に
対して表示装置類を別個に取り付けるものではパネルの
組立て時に作業の手間が掛かるものとなり改善が望まれ
ていた。特に、最近の作業機では多種の電気制御を行う
ために多くのスイッチ類を備える必要があり、パネルの
組立て作業の手間を軽減する技術が望まれ、又、スイッ
チの部位から制御系に対する水や塵埃の浸入を抑制する
技術も望まれている。
However, in the case where the display devices are separately attached to the panel main body, the work is troublesome when assembling the panel, so that an improvement has been desired. In particular, recent work machines need to be equipped with a large number of switches to perform various types of electric control, and a technique for reducing the labor of panel assembly is desired. There is also a demand for a technique for suppressing intrusion of dust.

【0004】本発明の目的は、手間を掛けることなく簡
便に組立て得るパネルを合理的に構成する点にある。
[0004] An object of the present invention is to rationally construct a panel which can be easily assembled without any trouble.

【0005】[0005]

【課題を解決するための手段】本発明の第1の特徴(請
求項1)は、パネル本体の上面の平坦面に開口を形成す
ると共に、この開口に対してパネル本体の下方側から表
示装置、操作具を備えたケースを挿入して開口から表示
装置の視認が可能で操作具の操作が可能な状態にパネル
本体とケースとを連結してある点にあり、その作用は次
の通りである。
According to a first aspect of the present invention, an opening is formed in a flat surface of an upper surface of a panel body, and a display device is formed with respect to the opening from a lower side of the panel body. The point is that the panel body and the case are connected so that the display device can be viewed from the opening and the operation device can be operated by inserting the case with the operation device, and the operation is as follows. is there.

【0006】本発明の第2の特徴(請求項2)は、前記
パネル本体が運転座席の近傍位置に配置されると共に、
前記平坦面が運転座席側ほど低くくなる傾斜姿勢に設定
されている点にあり、その作用は次の通りである。
A second feature of the present invention (claim 2) is that the panel main body is arranged at a position near a driver's seat,
The point is that the flat surface is set to an inclined posture that becomes lower toward the driver's seat side, and the operation is as follows.

【0007】本発明の第3の特徴(請求項3)は、前記
表示装置がケースの上面の透明窓の下面側に配置された
液晶ディスプレイで構成され、前記操作具がケース上面
の弾性材製の押圧片の押し操作による弾性変形で入り切
りされる電気スイッチで構成されると共に、表示装置、
操作具夫々がケース内への水の浸入を阻止する防水型に
構成されている点にあり、その作用は次の通りである。
A third feature of the present invention (claim 3) is that the display device is constituted by a liquid crystal display arranged on the lower surface side of a transparent window on the upper surface of the case, and the operating tool is made of an elastic material on the upper surface of the case. And an electric switch which is turned on and off by elastic deformation by the pressing operation of the pressing piece of the display device,
Each of the operation tools is configured as a waterproof type that prevents water from entering the case, and the operation is as follows.

【0008】〔作用〕上記第1の特徴によると、パネル
を組立てる際にはパネル本体の下方側からケースを挿入
してパネル本体とケースとを連結することで、パネル本
体に形成した開口を介してケースに備えた表示装置の視
認が可能になると共に、この開口を介してケースに備え
た操作具の操作が可能になる。つまり、ケースに対して
表示装置と操作具とを備えているので、表示装置が複数
であっても操作具が複数であっても、パネル本体に対し
てケースを取り付ける手間だけでパネルを組立て得るも
のとなる。
According to the first feature, when assembling the panel, the case is inserted from the lower side of the panel main body and the panel main body and the case are connected to each other through the opening formed in the panel main body. Thus, the display device provided in the case can be visually recognized, and the operation tool provided in the case can be operated through the opening. In other words, since the display device and the operation tool are provided for the case, the panel can be assembled with only the trouble of attaching the case to the panel body, even if the display device is plural or plural. It will be.

【0009】上記第2の特徴によると、パネル上面の平
坦面が運転座席側ほど低くなる傾斜姿勢になっているの
で、パネル上面の平坦面に水や塵埃が留まり難くなると
共に、運転座席に着座した作業者が覗き込む姿勢をとら
ずとも表示装置の表示内容の視認も操作具の位置の認識
も容易となり、楽な姿勢で操作具の操作も行えるものと
なる。
According to the second feature, since the flat surface on the upper surface of the panel is inclined so that it becomes lower toward the driver's seat, water and dust hardly stay on the flat surface on the upper surface of the panel, and the driver sits on the driver's seat. This makes it easy to visually recognize the display contents of the display device and to recognize the position of the operating tool without taking the posture of the worker who looks into the operating apparatus, so that the operating tool can be operated in a comfortable posture.

【0010】上記第3の特徴によると、表示装置の透明
窓で覆われる状態で液晶ディスプレイを備えるので防水
型ケースの密封性を高く維持できると共に、パネル本体
に液晶ディスプレイを保護する透明材を予め備える必要
がなく、又、電気スイッチが弾性変形で入り切りされる
押圧片を備えて構成されるので押圧片の作動を許容する
ための隙間を必要とせずこの点からも、防水型のケース
の密封性を高く維持できるものとなる。
According to the third feature, since the liquid crystal display is provided in a state where the liquid crystal display is covered with the transparent window of the display device, the waterproofness of the waterproof case can be kept high, and a transparent material for protecting the liquid crystal display is previously provided on the panel body. It is not necessary to equip the waterproof type case with the electric switch, which does not require a gap to allow the operation of the pressing piece because the electric switch is provided with the pressing piece which is turned on and off by elastic deformation. Can be maintained at a high level.

【0011】[0011]

【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図1に示すように、ドーザ装置1
を有したゴムクローラ式の走行装置2に対して縦向き姿
勢の軸芯Y周りに旋回自在に機台3を備え、この機台3
を旋回操作する油圧式の旋回モータMを備えると共に、
機台3の前部位置にブーム4、アーム5、バケット6夫
々を一連に連結して成るバックホウ装置Bを備え、又、
機台3にエンジン7を有した原動部E、及び、運転座席
8を有した運転部Fを備えてバックホウを構成する。
Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG.
A machine base 3 is provided so as to be rotatable around an axis Y in a vertical posture with respect to a rubber crawler type traveling device 2 having
Equipped with a hydraulic turning motor M for turning the
A backhoe device B is provided at a front position of the machine base 3 by connecting the boom 4, the arm 5, and the bucket 6 in series.
A backhoe is provided with a driving unit E having an engine 7 and a driving unit F having a driving seat 8 on the machine base 3.

【0012】前記ドーザ装置1はドーザシリンダC1で
駆動昇降自在に構成され、前記バックホウ装置Bはブー
ム4を基端部材4S、中間部材4T、先端部材4Uとの
3つの部材を縦向き姿勢の軸芯周りで揺動自在に連結す
ることで基端部材4Sに対して先端部材4Uを横方向に
平行移動自在となるよう構成されると共に、機台3に対
してブーム4を揺動駆動する油圧式のブームシリンダC
4、ブーム4に対してアーム5を揺動駆動する油圧式の
アームシリンダC5、アーム5に対してバケット6を揺
動駆動する油圧式のバケットシリンダC6を備え、又、
ブーム4の基端部材4Sに対して先端部材4Uの横方向
への移動駆動する油圧式のオフセットシリンダCSを備
えている。
The dozer device 1 is constructed so as to be driven up and down by a dozer cylinder C1. The backhoe device B comprises a boom 4 having a base member 4S, an intermediate member 4T and a distal member 4U. Hydraulic pressure that swings the boom 4 with respect to the machine base 3 while allowing the distal end member 4U to freely move in the horizontal direction with respect to the base end member 4S by swingably connecting around the core. Boom cylinder C
4. A hydraulic arm cylinder C5 for swinging and driving the arm 5 with respect to the boom 4, a hydraulic bucket cylinder C6 for swinging and driving the bucket 6 with respect to the arm 5, and
A hydraulic offset cylinder CS that drives the distal end member 4U to move in the lateral direction with respect to the proximal end member 4S of the boom 4 is provided.

【0013】図2に示すように、前記運転部Fの運転座
席8の前方位置に左右一対の走行操作レバー10,10
と、左右一対の操作レバー11,11とを備え、又、運
転部Fのステップ12には操作ペダル13を備え、運転
座席8の右側位置にパネルPを備えている。前記走行操
作レバー10,10は走行装置2の左右のクローラの駆
動速度を独立して調節することで走行速度の設定と操向
制御とを行い、左右の操作レバー11,11のうち右側
のものの前後操作でブームシリンダC4を制御し、左右
操作でバケットシリンダC6を制御し、左側のものの前
後操作でアームシリンダC5を制御し、左右操作で旋回
モータMを制御し、操作ペダル13の左右方向への踏み
込み操作でオフセットシリンダCSを制御するよう油圧
制御弁(図示せず)と連係している。
As shown in FIG. 2, a pair of right and left traveling control levers 10 and 10 are located at a position in front of the driver's seat 8 of the driving section F.
And a pair of left and right operation levers 11, 11, an operation pedal 13 is provided on the step 12 of the driving unit F, and a panel P is provided on the right side of the driver's seat 8. The traveling operation levers 10 and 10 independently set the driving speed of the left and right crawlers of the traveling device 2 to set the traveling speed and control the steering. The boom cylinder C4 is controlled by the front and rear operation, the bucket cylinder C6 is controlled by the left and right operation, the arm cylinder C5 is controlled by the front and rear operation of the left one, the turning motor M is controlled by the left and right operation, and the left and right directions of the operation pedal 13 are controlled. Is linked with a hydraulic control valve (not shown) so as to control the offset cylinder CS by depressing operation.

【0014】図2に示すように、前記パネルPの前部位
置にはドーザ装置1の昇降を行う昇降レバー14とエン
ジン7の回転速度を設定するアクセルレバー15とを備
えている。又、図3〜図5に示すように、前記パネルP
は外壁を形成するパネル本体16と内部に備えた防水型
の密封ケース17とで構成され、パネル本体16の上面
には運転座席側が低くなる傾斜姿勢の平坦面16Sが形
成されると共に、この平坦面16Sを少し窪ませた部位
に開口16Tが形成されている。又、密封ケース17の
上面には表示装置Dと操作具としてのモード切換用の電
気スイッチS1と4つの選択用の電気スイッチS2,S
3,S4,S5とを備え、これら表示装置Dと電気スイ
ッチS1〜S5とがパネル本体16の開口16Tから露
出させる形態となるよう該密封ケース17のフランジ部
17Fをパネル内部にビス18で固定してある。
As shown in FIG. 2, a lift lever 14 for raising and lowering the dozer device 1 and an accelerator lever 15 for setting the rotation speed of the engine 7 are provided at a front position of the panel P. Also, as shown in FIGS.
Is composed of a panel main body 16 forming an outer wall and a waterproof sealed case 17 provided inside. A flat surface 16S having an inclined posture in which the driver's seat side is lowered is formed on the upper surface of the panel main body 16, and this flat surface is formed. An opening 16T is formed at a position where the surface 16S is slightly depressed. On the upper surface of the sealed case 17, a display device D, a mode switching electric switch S1 as an operation tool, and four selection electric switches S2 and S are provided.
3. The flange portion 17F of the sealed case 17 is fixed to the inside of the panel with screws 18 so that the display device D and the electric switches S1 to S5 are exposed from the opening 16T of the panel body 16. I have.

【0015】又、前記表示装置Dは、密封ケース17の
上面の樹脂板で形成される透明窓19で覆われる状態の
液晶ディスプレイ20で構成され、前記電気スイッチS
は夫々の電気スイッチSの押圧片21Aが単一の弾性材
としてのゴム材21の上面を突出させて一体的に形成さ
れると共に、この押圧片21Aを密封ケース17の上面
の開口17Aを介して上方に僅かに突出させ、この押圧
片の押し操作時にはゴム材21の弾性変形によって押圧
片21Aの下面側の導電材料を密封ケース内の基板上の
一対の電極の上面に接触させて電極同士を導通状態にす
るよう構成されている(図示せず)。又、密封ケース1
7の上面には警報ランプ22を備えている。
The display device D comprises a liquid crystal display 20 which is covered with a transparent window 19 formed of a resin plate on the upper surface of a sealed case 17, and the electric switch S
The pressing piece 21A of each electric switch S is integrally formed by projecting the upper surface of the rubber material 21 as a single elastic material, and the pressing piece 21A is connected to the upper surface of the sealing case 17 through an opening 17A. When the pressing piece is pressed, the conductive material on the lower surface side of the pressing piece 21A is brought into contact with the upper surface of a pair of electrodes on the substrate in the sealed case by the elastic deformation of the rubber material 21 to make the electrodes contact each other. Are made to be in a conductive state (not shown). In addition, sealed case 1
An alarm lamp 22 is provided on the upper surface of 7.

【0016】尚、液晶ディスプレイ20にはエンジン回
転数、燃料の残量、エンジンオイル不足、バッテリー電
圧の低下等を示す表示部20Aと、前記選択用の電気ス
イッチS2〜S5の操作状況を示す表示部20Bとが形
成され、選択用の電気スイッチS1〜S5を構成する押
圧片21Aは平面視で図3の紙面において左上がり姿勢
となる楕円形に成形されることで作業者の右手の親指で
の押し操作を自然な姿勢で行えるものとなっており、更
に押圧片21Aの上面夫々に異なる数の小突起を形成す
ることで指先の感覚で押圧片の識別を行い得るものとな
っている。
The liquid crystal display 20 has a display section 20A for displaying the number of engine revolutions, the remaining amount of fuel, a shortage of engine oil, a decrease in battery voltage, and the like, and a display for showing the operation status of the selection electric switches S2 to S5. The pressing piece 21A that forms the electrical switch S1 to S5 for selection is formed into an elliptical shape that is raised leftward in the plane of FIG. Can be performed in a natural posture, and furthermore, by forming a different number of small projections on the upper surface of the pressing piece 21A, the pressing piece can be identified with the sense of a fingertip.

【0017】このようにパネルを構成したことによっ
て、パネル本体16に対する密封ケース17の単純な取
付け作業だけでパネルPを組立て得るものとなってお
り、又、密封ケース17に対して透明窓19で覆われた
状態で液晶ディスプレイ20を備えると共に、ゴム材2
1に一体形成された押圧片21で電気スイッチS1〜S
5を構成するので容易にシール性を高めて水や塵埃の浸
入を阻止するものとなっている。そして、パネル本体1
6の上面を運転座席8の側が低くなる傾斜姿勢に設定す
ることで、パネル上面に水や塵埃が降りかかった場合に
も自然な滑り落ちを促進して水や塵埃が上面に留まらな
いものとなると同時に、作業者が楽な姿勢のまま液晶デ
ィスプレイ20の内容を容易に視認し、電気スイッチS
1〜S5の位置を視覚的に容易に把握し、しかも、作業
者の手の自然な姿勢で楽に選択用の電気スイッチS1〜
S5を操作し得るものとなっている。
With the above-described structure of the panel, the panel P can be assembled by simply attaching the sealing case 17 to the panel body 16. The liquid crystal display 20 is provided in a covered state, and the rubber material 2
The electric switches S1 to S1
5, the sealability is easily improved to prevent water and dust from entering. And the panel body 1
By setting the upper surface of 6 to an inclined position in which the driver's seat 8 side is lowered, even when water or dust falls on the upper surface of the panel, natural sliding down is promoted so that water or dust does not stay on the upper surface. At the same time, the operator can easily visually recognize the contents of the liquid crystal display 20 while keeping the posture
The electric switches S1 to S5 can easily and visually grasp the positions of S1 to S5, and can be easily selected in a natural posture of the operator's hand.
S5 can be operated.

【0018】[0018]

【発明の効果】従って、手間を掛けることなく簡便に組
立て得るパネルが合理的に構成されたのである(請求項
1)。又、パネル上面への水や塵埃を自然に排除し、無
理のない状態での表示装置の視認と操作具の操作とを可
能にし(請求項2)、ケースの防水性を高く維持して液
晶ディスプレイ、電気スイッチを含めたケース内の電気
系に不都合を発生させないものとなった(請求項3)。
As a result, a panel which can be easily assembled without any trouble has been rationally constructed (claim 1). In addition, water and dust on the upper surface of the panel are naturally removed, and the display device can be visually recognized and the operation tool can be operated in a reasonable state (Claim 2). No inconvenience occurs in the electric system in the case including the display and the electric switch (claim 3).

【図面の簡単な説明】[Brief description of the drawings]

【図1】バックホウの全体側面図FIG. 1 is an overall side view of a backhoe.

【図2】運転部の平面図FIG. 2 is a plan view of an operation unit.

【図3】パネルに備えられるケースの平面図FIG. 3 is a plan view of a case provided in the panel.

【図4】パネルに対するケースの取付け構造を示す縦断
正面図
FIG. 4 is a longitudinal sectional front view showing a structure for attaching a case to a panel.

【図5】ケースの構造を示す縦断正面図FIG. 5 is a longitudinal sectional front view showing the structure of the case.

【符号の説明】[Explanation of symbols]

8 運転座席 16 パネル本体 16S 平坦面 16T 開口 17 ケース 19 透明窓 20 液晶ディスプレイ 21A 押圧片 D 表示装置 S 操作具 8 Driver Seat 16 Panel Body 16S Flat Surface 16T Opening 17 Case 19 Transparent Window 20 Liquid Crystal Display 21A Pressing Piece D Display S Operation Tool

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 パネル本体の上面の平坦面に開口を形成
すると共に、この開口に対してパネル本体の下方側から
表示装置、操作具を備えたケースを挿入して開口から表
示装置の視認が可能で操作具の操作が可能な状態にパネ
ル本体とケースとを連結してある作業機のパネル構造
An opening is formed in a flat surface on an upper surface of a panel main body, and a case including a display device and an operation tool is inserted into the opening from a lower side of the panel main body so that the display device can be visually recognized from the opening. The panel structure of the working machine that connects the panel body and the case in a state where it is possible to operate the operating tool
【請求項2】 前記パネル本体が運転座席の近傍位置に
配置されると共に、前記平坦面が運転座席側ほど低くく
なる傾斜姿勢に設定されている請求項1記載の作業機の
パネル構造。
2. The panel structure of a working machine according to claim 1, wherein the panel main body is disposed at a position near a driver's seat, and the flat surface is set to be inclined such that the flat surface becomes lower toward the driver's seat.
【請求項3】 前記表示装置がケースの上面の透明窓の
下面側に配置された液晶ディスプレイで構成され、前記
操作具がケース上面の弾性材製の押圧片の押し操作によ
る弾性変形で入り切りされる電気スイッチで構成される
と共に、表示装置、操作具夫々がケース内への水の浸入
を阻止する防水型に構成されている請求項1記載の作業
機のパネル構造。
3. The display device comprises a liquid crystal display disposed on a lower surface side of a transparent window on an upper surface of a case, and the operation tool is turned on and off by elastic deformation by a pressing operation of an elastic pressing piece on the upper surface of the case. The panel structure of a working machine according to claim 1, wherein the display device and the operating tool are each configured as a waterproof type for preventing water from entering the case.
JP34985896A 1996-12-27 1996-12-27 Panel structure of working machine Pending JPH10183697A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34985896A JPH10183697A (en) 1996-12-27 1996-12-27 Panel structure of working machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34985896A JPH10183697A (en) 1996-12-27 1996-12-27 Panel structure of working machine

Publications (1)

Publication Number Publication Date
JPH10183697A true JPH10183697A (en) 1998-07-14

Family

ID=18406603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34985896A Pending JPH10183697A (en) 1996-12-27 1996-12-27 Panel structure of working machine

Country Status (1)

Country Link
JP (1) JPH10183697A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017138552A1 (en) * 2016-02-09 2017-08-17 住友建機株式会社 Excavator
JP2017150277A (en) * 2016-02-26 2017-08-31 株式会社クボタ Work machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017138552A1 (en) * 2016-02-09 2017-08-17 住友建機株式会社 Excavator
JPWO2017138552A1 (en) * 2016-02-09 2018-12-06 住友建機株式会社 Excavator
US10697152B2 (en) 2016-02-09 2020-06-30 Sumitomo(S.H.I.) Construction Machinery Co., Ltd. Excavator
JP2017150277A (en) * 2016-02-26 2017-08-31 株式会社クボタ Work machine

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