JPH0369731A - Step attachment device for ultra-compact excavator - Google Patents

Step attachment device for ultra-compact excavator

Info

Publication number
JPH0369731A
JPH0369731A JP1204169A JP20416989A JPH0369731A JP H0369731 A JPH0369731 A JP H0369731A JP 1204169 A JP1204169 A JP 1204169A JP 20416989 A JP20416989 A JP 20416989A JP H0369731 A JPH0369731 A JP H0369731A
Authority
JP
Japan
Prior art keywords
boom
section
arm
pivotally
ultra
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
JP1204169A
Other languages
Japanese (ja)
Other versions
JPH0672446B2 (en
Inventor
Yoshiaki Murakami
良昭 村上
Seiji Nishihara
西原 誠二
Hidetomo Ryu
笠 英知
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.)
Iseki and Co Ltd
Kobe Steel Ltd
Iseki Agricultural Machinery Mfg Co Ltd
Original Assignee
Iseki and Co Ltd
Kobe Steel Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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 Iseki and Co Ltd, Kobe Steel Ltd, Iseki Agricultural Machinery Mfg Co Ltd filed Critical Iseki and Co Ltd
Priority to JP1204169A priority Critical patent/JPH0672446B2/en
Priority to US07/548,861 priority patent/US5106256A/en
Priority to EP19900113875 priority patent/EP0409244A3/en
Priority to KR1019900011064A priority patent/KR940009218B1/en
Publication of JPH0369731A publication Critical patent/JPH0369731A/en
Publication of JPH0672446B2 publication Critical patent/JPH0672446B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • E02F3/325Backhoes of the miniature type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

PURPOSE:To improve work capacity by fitting driving wheels pivotally on both the left and right sides of a transmission case, and by setting a step arm so as to swivel on the front side of the driving wheels, to fit the step arm pivotally to be freely folded. CONSTITUTION:On the front section of a frame 1, the fitting section 2 of a boom 5 for work is set, and on the rear section of the frame 1, an engine 3 is mounted. After that, on the fitting section 2, the base section 5a of the boom 5 is pivotally fitted. After that, the tip section of a swing cylinder 7 is pivotally fitted on an arm bracket 6, and the boom 5 is swung to the left and right. Then, between a swing bracket 4 and the intermediate section 5b of the boom 5, a boom cylinder 8 is erected, and the boom 5 is vertically swiveled. Besides, on both sides of a transmission case 13, driving shafts 14 are projected, and on the left and right, driving sprockets 15 are respectively arranged. Besides, on the rear end section of a step arm 22, a step 23 is fitted to be freely folded.

Description

【発明の詳細な説明】 [産業上の利用分野コ この発明は超小型ショベルカーに於けるステップ取付装
置に関するものであり、特にステップアームの取付部を
駆動軸の前方にして、荷重を車体の中央部位に負荷する
ようにした超小型ショベルカーに於けるステップ取付装
置に関するものである。
[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to a step mounting device for an ultra-compact excavator car. In particular, the step arm mounting portion is placed in front of the drive shaft to transfer the load to the vehicle body. This invention relates to a step attachment device for an ultra-compact excavator that applies the load to the central portion.

[従来の技術] 従来、狭所で掘削作業を行うことができる超小型ショベ
ルカーは存在しない。此種超小型ショベルカーを製作す
るに当っては、車体を小さ(するために運転席を設けず
、作業者は車体の後方に立って作業用のブーム及びパケ
ットを操作しながら掘削作業し、或は車体の後部に設け
たステップに載って上記掘削作業や車体の前後進を行う
ことが考えられる。
[Prior Art] Conventionally, there has been no ultra-compact excavator car that can perform excavation work in narrow spaces. In manufacturing this type of ultra-compact excavator car, there was no driver's seat in order to keep the car body small, and workers stood at the back of the car while operating the work boom and packet while excavating. Alternatively, it is conceivable to perform the above-mentioned excavation work or move the vehicle back and forth while standing on a step provided at the rear of the vehicle.

[発明が解決しようとする課題] 前述した超小型ショベルカーは、作業者が車体後部のス
テップに載って掘削や運転操作を行うが、車体の後部に
立って上記操作を行うこともあり、然るときは、該ステ
ップを上方へ移動して作業の妨げとならないようにする
。又、車体を小さくすることによって軽量となり、パケ
ットによる掘削力が低下することがある。
[Problems to be Solved by the Invention] In the above-mentioned ultra-compact excavator car, the operator performs digging and driving operations while standing on the steps at the rear of the vehicle, but there are times when the operator performs the above operations while standing at the rear of the vehicle. When doing so, move the step upward so that it does not interfere with the work. Furthermore, by making the car body smaller, it becomes lighter, and the excavation force by the packet may be reduced.

そこで、小さな車体でありながら掘削力を増加させ、作
業能力を向上するために解決せられるべき技術的課題が
生じてくるのであり、本発明はこの課題を達成すること
を目的とする。
Therefore, a technical problem arises that needs to be solved in order to increase the excavation force and improve the working capacity while using a small vehicle body, and the present invention aims to achieve this problem.

[課題を解決するための手段] この発明は、上記目的を達成するために提案せられたも
のであり、車体の前部に作業用のブームを取り付け、ブ
ームシリンダ及びスイングシリンダの伸縮によって該ブ
ームを上下左右へ回動自在にし、車体の後部にエンジン
及びミッションケースを設けた小型作業用車両に於て、
ミッションケースの左右両側に夫々駆動軸を突設して駆
動輪を軸着し、該駆動軸の前方部位にステップアームの
前端部を回動自在に枢着すると共に、該ステップアーム
の後端部にステップを折り畳み自在に枢着したことを特
徴とする超小型ショベルカーに於けるステップ取付装置
を提供せんとするものである。
[Means for Solving the Problems] The present invention has been proposed to achieve the above object, and includes a work boom attached to the front of a vehicle body, and a boom cylinder and a swing cylinder that expand and contract to extend the boom. In a small work vehicle that can freely rotate vertically and horizontally, and has an engine and transmission case installed at the rear of the vehicle body,
Drive shafts are provided protruding from the left and right sides of the transmission case, and a drive wheel is pivotally attached to the drive shafts, and the front end of a step arm is rotatably pivoted to the front part of the drive shaft, and the rear end of the step arm is rotatably mounted. It is an object of the present invention to provide a step mounting device for an ultra-small excavator car, which is characterized in that the step is pivotally attached to the step so that it can be folded freely.

[作用コ この発明は、ミッションケースの左右両側へ突設された
駆動軸の前方部位に、ステップアームの前端部を枢着し
ている。ステップアームの後端部にはステップが設けら
れており、作業者が各種操作を行う際にステップに載れ
ば、作業者の体重がステップに負荷される。この荷重は
ステップアームの取付部に作用し、該取付部を駆動軸の
前方部に位置させていることにより、車体全体の接地荷
重が車体の略中央部に集中し、而も、作業者の体重針だ
け接地荷重が増加する。従って、車体重量以上の荷重が
掘削力として作用し、小型の車体であっても十分なる掘
削性能を発揮することができる。
[Operation] In this invention, the front end of the step arm is pivotally attached to the front portion of the drive shaft that protrudes to the left and right sides of the transmission case. A step is provided at the rear end of the step arm, and when an operator steps on the step while performing various operations, the operator's weight is applied to the step. This load acts on the mounting part of the step arm, and by locating the mounting part in the front part of the drive shaft, the ground load of the entire vehicle body is concentrated at the approximate center of the vehicle body, and the worker's The ground load increases only for the weight needle. Therefore, a load greater than the vehicle weight acts as an excavation force, and even a small vehicle body can exhibit sufficient excavation performance.

[実施例コ 以下、この発明の一実施例を別紙添付図面に従って詳述
する。第1図及び第2図は超小型ショベルカーを示した
ものであり、フレーム(+)の前部に作業用ブームの取
付部(2)が設けられ、フレーム(1)の後部にエンジ
ン(3)が載置されている。前記取付部(2)にはスイ
ングブラケット(4)が取り付けられてわり、ブーム(
5)の基部(50が枢着されている。このスイングブラ
ケット(4)の−側部にはアームブラケット(6)が突
設され、フレーム(1)の−側部に設けたスイングシリ
ンダ(7)の先端部を該アームブラケット(6)へ枢着
し、このスイングシリンダ(7)の伸縮作動によって前
記ブーム(5)は左右に旋回する。そして、スイングブ
ラケット(4)とブーム(5)の中間部(5b)との間
に架設したブームシリンダ(8)によって、該ブーム(
5)は基部(50を中心として上下に回動する。該ブー
ム(5)の先端部(5C)にはアーム(9)の一端部(
9a)が枢着され、ブームの中間部(5b)とアームの
一端部(9つ)との間に設けられたアームシリンダ(1
0)により上下に回動する。更に、アームの先端部(9
b)にパケット01)を枢着し、パケットシリンダ0に
よって該パケット01)を回動するように形威しである
[Example 1] Hereinafter, an example of the present invention will be described in detail with reference to the accompanying drawings. Figures 1 and 2 show an ultra-compact excavator car, in which a work boom attachment part (2) is provided at the front of the frame (+), and an engine (3) is installed at the rear of the frame (1). ) are listed. A swing bracket (4) is attached to the mounting part (2), and the boom (
A base (50) of the frame (1) is pivotally attached to the base (50).An arm bracket (6) is provided protruding from the negative side of the swing bracket (4), and a swing cylinder (7) provided on the positive side of the frame (1) is provided. ) is pivotally connected to the arm bracket (6), and the boom (5) swings left and right by the expansion and contraction of the swing cylinder (7).Then, the swing bracket (4) and the boom (5) The boom cylinder (8) installed between the intermediate part (5b)
5) rotates up and down about the base (50).The tip (5C) of the boom (5) has one end (5C) of the arm (9).
9a) are pivotally connected, and the arm cylinders (1
0) to rotate up and down. Furthermore, the tip of the arm (9
The packet 01) is pivotally attached to the cylinder b), and the packet 01) is rotated by the packet cylinder 0.

前記エンジン(3)の下部にはミッションケース0つが
固設され、ミッションケース(l→の両側に駆動軸(1
70を突出して、その左右に夫々駆動スプロケット(1
”1)(1’l)を設けである。そして、フレーム(+
)の前側下部の左右に夫々受動輪(IF)(lfDを枢
着し、前記駆動スプロケット(1’1)(F)との間に
クローラ(r’)(r7)を巻装する。
Zero transmission cases are fixedly installed at the bottom of the engine (3), and drive shafts (one
70 protrudes, and drive sprockets (1
``1) (1'l) is provided.Then, the frame (+
Passive wheels (IF) (lfD) are pivotally mounted on the left and right sides of the lower front side of the drive sprocket (1'1) (F), and a crawler (r') (r7) is wound between them and the drive sprocket (1'1) (F).

又、受動輪(119(lfD間に排土板(峰のアーム0
1 <’11)を枢着し、油圧シリンダ(1)で上下動
させる。又、前記ミッションケース0つの下面前方部位
であって、その左右略中央位置にブラケツ) QQを垂
設し、このブラケットQOヘステップアーム@の前端部
を枢着すると共に、ステップアーム@の後端部にステッ
プ(至)を折り畳み自在に取り付ける。該ステップアー
ム@には油圧シリンダ(財)が取り付けられており、油
圧シリンダ(2)の伸縮によってステップアーム@が上
下何れかに回動し、ステップ(至)を昇降させる。
In addition, the passive wheel (119
1 <'11) is pivoted and moved up and down by a hydraulic cylinder (1). In addition, a bracket (QQ) is vertically installed at the front part of the lower surface of the mission case 0, approximately in the center of the left and right sides thereof, and the front end of the step arm @ is pivotally connected to this bracket QO, and the rear end of the step arm @ Attach a foldable step to the section. A hydraulic cylinder is attached to the step arm, and as the hydraulic cylinder expands and contracts, the step arm rotates either up or down, raising or lowering the step.

前記ミッションケース01の後面には支持部材凶の下端
部が固着され、エンジン(3)の上面後部に設けたブラ
ケット(4)に該支持部材凶の上端部を固着しである。
The lower end of the support member is fixed to the rear surface of the transmission case 01, and the upper end of the support member is fixed to a bracket (4) provided at the rear of the upper surface of the engine (3).

更に、該支持部材に)に座席勾の取付片に)を斜めに固
設する。
Further, a mounting piece () of the seat slope is diagonally fixed to the support member ().

ここで、第2図及び第3図に従ってステラプアーに@及
びステップに)について更に詳述する。ステップアーム
@の前端部及び後端部には夫々軸受部(8)及び(至)
を設け、且つ、該後端部上面に支持板(4+)GOを立
設する。この支持板(3+)(31)の前端部に孔(2
)@を貫通して開穿し、支持板(3+)(31)の後部
上面に湾曲したガイド板(至)を固設する。
Here, the Stellar Poor (@ and Step) will be described in more detail according to FIGS. 2 and 3. Bearings (8) and (to) are provided at the front and rear ends of the step arm @, respectively.
is provided, and a support plate (4+) GO is provided upright on the upper surface of the rear end portion. The front end of this support plate (3+) (31) has holes (2
) @ is drilled and a curved guide plate (to) is fixed on the rear upper surface of the support plate (3+) (31).

一方、ステップに)の裏面には適宜位置へ補強板(ロ)
(ロ)・・・が固着され、ステップ(至)の前側中央部
に切欠部(至)を開穿すると共に後側中央部に開口部(
4)を開穿する。そして、ステップ(2)の中央部に係
止杆(ロ)を前後へ摺動自在に配設し、前記開口部国内
に設けられた係止杆(ロ)の取手(至)を把持して前後
動させることにより、係止杆(ロ)の前端部(37a)
が前記ガイド板(2)の孔(391)又は(39b)へ
嵌入或は離脱するように形成しである。更に、ステップ
(至)前端部の左右には、前記ステップアーム@後端部
の軸受部(1)の両端に係合すべく軸受部(4働を設け
、該軸受部(44(41及び(至)へビン(41)を挿
通する。
On the other hand, on the back of the step), place the reinforcing plate (b) at the appropriate position.
(B) ... is fixed, a notch (to) is bored in the front center of the step (to), and an opening (to) is made in the rear center of the step (to).
4) Open the hole. Then, a locking rod (B) is disposed in the center of step (2) so as to be slidable back and forth, and the handle (H) of the locking rod (B) provided inside the opening is grasped. By moving back and forth, the front end (37a) of the locking rod (b)
is formed so as to fit into or leave the hole (391) or (39b) of the guide plate (2). Further, on the left and right sides of the front end of the step, bearing parts (44 (41 and ) Insert the bottle (41) into the hole.

斯くして、前記ステップアーム(2)の軸受部(1)へ
ステップ(至)が回動自在に枢着され、係止杆(ロ)の
前端部(370をガイド板(至)の孔(390又は(3
9b)へ係合することにより、該ステップ(至)が固定
される。
In this way, the step (to) is rotatably pivoted to the bearing part (1) of the step arm (2), and the front end (370) of the locking rod (b) is inserted into the hole (to) of the guide plate (to). 390 or (3
9b), the step is fixed.

即ち、ステップに)の不使用時には第3図の鎖線で示す
ように、該ステップ(至)を上方へ回動して折り畳んで
おくことができる。
That is, when the step is not in use, the step can be rotated upward and folded, as shown by the chain line in FIG.

又、前記ステップ@の左右両端部に扇形状のサブステッ
プ(42H42)を回動自在に枢着し、夫々のサブステ
ップ(42)(42)を前記ステップに)の側方へ出し
入れ自在に形成してもよい。2等サブステップ(42)
(42)を引き出すことによってステップ全体の幅が拡
張され、作業者が安定した状態でステップに載って作業
を行うことができる。
Further, fan-shaped sub-steps (42H42) are rotatably attached to both left and right ends of the step @, and the respective sub-steps (42) (42) are formed so as to be freely inserted and removed from the sides of the step. You may. 2nd class substep (42)
By pulling out (42), the width of the entire step is expanded, allowing the worker to work while standing on the step in a stable condition.

第4図は座席に)の取付部位を示したものであり、前述
したように支持部材に)の後部に取付片−が斜めに固設
されている。該取付片(至)はバイブ状に形成され、そ
の左右方向へ孔(43) (43)を貫通して開穿しで
ある。そして、側面視く字状に屈曲した支柱(44)を
該取付片(2)へ嵌入し、支柱(44)の左右に開穿し
た孔(45) (45)と前記取付片(1)の孔(43
) (43)とを合致させ、ピン(46)を挿通して支
柱(44)を固定する。更に、支柱(44)の上部はス
ライド自在に形成され、調整ビン(47)の抜き差しに
よって座席(イ)の高さを適宜調節することができる。
FIG. 4 shows the mounting portion of the seat), and as mentioned above, the mounting piece is fixed diagonally to the rear of the support member. The attachment piece (to) is formed in the shape of a vibrator, and is opened through holes (43) (43) in the left-right direction. Then, the strut (44) bent in a dogleg shape when viewed from the side is fitted into the mounting piece (2), and the holes (45) (45) drilled on the left and right sides of the strut (44) are connected to the mounting piece (1). Hole (43
) (43) and insert the pin (46) to fix the support column (44). Furthermore, the upper part of the support column (44) is formed to be slidable, and the height of the seat (a) can be adjusted as appropriate by inserting and removing the adjustment bin (47).

尚、第5図に示すように、前記取付片−の底面(4B)
にはスプリング(49)の一端部が掛止され、該スプリ
ング(4g)の他端部は引張状態で支柱(44)内の凸
部(50)へ掛止されている。従って、支柱(44)は
常時取付片(至)に密嵌するように付勢されている。
In addition, as shown in FIG. 5, the bottom surface (4B) of the mounting piece
One end of a spring (49) is hooked to the spring (49), and the other end of the spring (4g) is hooked under tension to a convex portion (50) in the column (44). Therefore, the strut (44) is always biased so as to tightly fit into the mounting piece (to).

ここで、ビン(46)を引き抜いて前記支柱(44)を
取付片(至)の内部で180度回転し、再びピン(46
)を孔(43)及び(45)へ挿通すれば、第4図の鎖
線で示すように座席0が前後反転し、支柱(44)は略
直立状態となって固定される。この支柱(44)を回転
する際には、前述したように該支柱(44)はスプリン
グ(4g)によって引張されているので、該支柱(44
)が取付片(4)から不慮妄脱する虞れはない。斯くし
て、座席(ト)の不使用時には該支柱(44)を上記状
態に起立させて、車体後方に於ける作業範囲を広く確保
することができる。
At this point, pull out the bottle (46), rotate the pillar (44) 180 degrees inside the mounting piece (to), and then turn the pin (46) again.
) are inserted into the holes (43) and (45), the seat 0 is reversed back and forth as shown by the chain line in FIG. 4, and the support column (44) is fixed in a substantially upright state. When rotating this support (44), since the support (44) is tensioned by the spring (4g) as described above, the support (44) is rotated.
) may accidentally dislodge from the mounting piece (4). In this way, when the seat (G) is not in use, the support column (44) can be erected in the above-mentioned state, thereby ensuring a wide working range at the rear of the vehicle body.

而して、第1図に示すように、前記支持部材に)はエン
ジン(3)上部のブラケット(4)及びミッションケー
スθ→へ頑強に取り付けられており、ステップ(2)昇
降用の油圧シリンダ(財)の支持部(51)並びに座席
ケbの取付片(2)は上記支持部材に)へ取り付けられ
ているため、極めて強固に支持される。
As shown in Fig. 1, the supporting member () is firmly attached to the bracket (4) on the upper part of the engine (3) and the transmission case θ→, and the hydraulic cylinder for lifting and lowering (step (2)) The support part (51) of the company and the attachment piece (2) of the seat b are attached to the above-mentioned support member, so that they are extremely firmly supported.

尚、この考案は、この考案の精神を逸脱しない限り種々
の改変を為す事ができ、そして、この考案が該改変せら
れたものに及ぶことは当然である。
It should be noted that this invention can be modified in various ways without departing from the spirit of the invention, and it goes without saying that this invention extends to such modifications.

[発明の効果] この発明は上記一実施例に詳述したように、ステップア
ームの前端部を駆動軸の前方部位へ軸支させたことによ
り、ステップに載った作業者の体重が車体中央部に負荷
される。従って、軽量な車体であっても、上記荷重が加
算されることにより接地荷重が増加し、車体重量以上の
荷重が掘削力として作用する。斯くして、小型の車体で
あっても十分なる掘削性能を備えた超小型ショベルカー
を提供することが可能となる。
[Effects of the Invention] As detailed in the above embodiment, the front end of the step arm is pivoted to the front part of the drive shaft, so that the weight of the worker on the step is transferred to the center of the vehicle body. is loaded. Therefore, even if the vehicle body is lightweight, the ground contact load increases due to the addition of the above-mentioned load, and a load greater than the vehicle weight acts as an excavation force. In this way, it is possible to provide an ultra-compact excavator car that has sufficient excavation performance even though it has a small body.

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

図は本発明の一実施例を示したものであり、第1図は超
小型ショベルカーの一部切欠側面図、第2図はステップ
装置の平面図、第3図は第2図のA−A線断面図、第4
図は座席装置の要部側面図、第5図は取付片の縦断側面
図である。 (1)・・・・・−フレーム   (2)・・・・・・
取付部(3)・・・・・・エンジン   (5)・・・
・・・ブーム(7)・・−・・・スイングシリンダ (8)・・・・・・ブームシリンダ θ1・・・・・・ミッションケース (ゆ・・・・・・駆動軸    (■・・・・・・駆動
スプロヶッQ+)・・・・・・ステップアーム @・・・・・・ステップ   (至)(至)(7)・・
・・・・軸受部ト
The figures show one embodiment of the present invention, in which Fig. 1 is a partially cutaway side view of an ultra-compact excavator, Fig. 2 is a plan view of a step device, and Fig. 3 is a view taken from A--A in Fig. 2. A-line sectional view, 4th
The figure is a side view of the main part of the seat device, and FIG. 5 is a longitudinal sectional side view of the mounting piece. (1)・・・・・・-Frame (2)・・・・・・
Mounting part (3)...Engine (5)...
...Boom (7) ...Swing cylinder (8) ...Boom cylinder θ1 ...Mission case (Y) ...Drive shaft (■ ... ...Drive sprocket Q+)...Step arm @...Step (to) (to) (7)...
...Bearing part

Claims (1)

【特許請求の範囲】[Claims] 車体の前部に作業用のブームを取り付け、ブームシリン
ダ及びスイングシリンダの伸縮によつて該ブームを上下
左右へ回動自在にし、車体の後部にエンジン及びミッシ
ョンケースを設けた小型作業用車両に於て、ミッション
ケースの左右両側に夫々駆動軸を突設して駆動輪を軸着
し、該駆動軸の前方部位にステップアームの前端部を回
動自在に枢着すると共に、該ステップアームの後端部に
ステップを折り畳み自在に枢着したことを特徴とする超
小型ショベルカーに於けるステップ取付装置。
A working boom is attached to the front of the vehicle body, and the boom can be rotated vertically and horizontally by expanding and contracting the boom cylinder and swing cylinder, and the engine and transmission case are installed in the rear of the vehicle body. Drive shafts are provided protruding from the left and right sides of the transmission case, and the drive wheels are pivotally attached to the drive shafts, and the front end of the step arm is rotatably pivoted to the front part of the drive shaft. A step mounting device for an ultra-compact excavator car, characterized in that a step is pivotally attached to an end portion so that the step can be folded freely.
JP1204169A 1989-08-07 1989-08-07 Step mounting device for ultra-small shovel car Expired - Lifetime JPH0672446B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1204169A JPH0672446B2 (en) 1989-08-07 1989-08-07 Step mounting device for ultra-small shovel car
US07/548,861 US5106256A (en) 1989-08-07 1990-07-06 Step device in miniature shovel car
EP19900113875 EP0409244A3 (en) 1989-08-07 1990-07-19 Step device in miniature shovel car
KR1019900011064A KR940009218B1 (en) 1989-08-07 1990-07-20 Step device of small shovel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1204169A JPH0672446B2 (en) 1989-08-07 1989-08-07 Step mounting device for ultra-small shovel car

Publications (2)

Publication Number Publication Date
JPH0369731A true JPH0369731A (en) 1991-03-26
JPH0672446B2 JPH0672446B2 (en) 1994-09-14

Family

ID=16485980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1204169A Expired - Lifetime JPH0672446B2 (en) 1989-08-07 1989-08-07 Step mounting device for ultra-small shovel car

Country Status (1)

Country Link
JP (1) JPH0672446B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017136736A1 (en) * 2016-02-05 2017-08-10 Clark Equipment Company Small loader

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7549571B2 (en) 2002-09-18 2009-06-23 Ecoenvelopes, Llc Environmentally friendly reusable envelope structures

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS504501U (en) * 1973-05-08 1975-01-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS504501U (en) * 1973-05-08 1975-01-17

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017136736A1 (en) * 2016-02-05 2017-08-10 Clark Equipment Company Small loader
CN108603353A (en) * 2016-02-05 2018-09-28 克拉克设备公司 small sized loader
KR20180108607A (en) * 2016-02-05 2018-10-04 클라크 이큅먼트 컴파니 Small Loader
US10316487B2 (en) 2016-02-05 2019-06-11 Clark Equipment Company Small loader

Also Published As

Publication number Publication date
JPH0672446B2 (en) 1994-09-14

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