JPS58180323A - Front wheel driving gear for vehicle - Google Patents
Front wheel driving gear for vehicleInfo
- Publication number
- JPS58180323A JPS58180323A JP5672483A JP5672483A JPS58180323A JP S58180323 A JPS58180323 A JP S58180323A JP 5672483 A JP5672483 A JP 5672483A JP 5672483 A JP5672483 A JP 5672483A JP S58180323 A JPS58180323 A JP S58180323A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- shaft
- front wheel
- case
- gear case
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/30—Arrangement or mounting of transmissions in vehicles the ultimate propulsive elements, e.g. ground wheels, being steerable
- B60K17/303—Arrangement or mounting of transmissions in vehicles the ultimate propulsive elements, e.g. ground wheels, being steerable with a gearwheel on the steering knuckle or kingpin axis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
Description
【発明の詳細な説明】
この発明に、例えばトラクタ、自動車の叩き車両の前輪
駆動装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a front wheel drive device for a knocking vehicle such as a tractor or an automobile.
特に低速塵打葡も要求される車両Ｃ（おいては、前輪、
駆動部分にかいても、戚速比全なるべく太きくしながら
、駆動装装置の外形をできるだけ小さくして、左石削車
輪の間隔、即ち、トレッドが長（ならない工うにし危い
ものである。In particular, for vehicles C that require low-speed dust removal (front wheels,
Regarding the drive part, it is dangerous to make the outer diameter of the drive unit as small as possible while increasing the relative speed ratio as much as possible, and to make the distance between the left stone cutting wheels, that is, the tread, long.
そこで、この発明においては前輪軸全軸叉している外側
ギヤケース葡、同側ギヤケースへ舵取回向自在ＶＣ嵌合
し、この舵取回向中心に軸心全一致させて設は友回向中
心軸を、上イ■のベベルギヤ機構全弁して前輪駆動軸に
よって駆動されるように設け、外側ギヤケースに内装し
ｔ遊星運動減速機構のキャリヤ全上記前輪軸に結合し、
その太陽ギヤ軸全上記回向中心軸によって下位のベベル
ギヤ磯購會介して駆動するように構成した前輪駆動装置
において、中空筒状の前輪軸に内嵌する工うに軸支した
人陽ギヤ軸は、外側ギヤケースの舵取回向中心である下
部ジャーナル孔と大略同一高さ以上に位置せしめるエラ
構成１−で、下位のベベルギヤ機構全構成すべぐ本陽ギ
ヤ軸に設けられているベベルギヤができるだけ大きく形
成されるので、駆動装置の減速比は大きくなり、しかも
駆動装置の外径は充分に小さくなって、前輪軸と前車輪
が中央側に接近して軸支されてトレッドも小さくなる工
うに工大したものである。Therefore, in the present invention, the outer gear case that intersects the entire front wheel axle is fitted with a VC that can freely rotate the steering wheel to the gear case on the same side, and the shaft center is completely coincident with the center of the steering wheel rotation. The center shaft is provided so as to be driven by the front wheel drive shaft with all the bevel gear mechanism valves in upper A, and the carrier of the planetary motion reduction mechanism is installed inside the outer gear case and is connected to the front wheel shaft;
In a front wheel drive device configured such that the sun gear shaft is driven by the rotation center shaft of the sun gear shaft through a lower bevel gear assembly, the sun gear shaft is pivotally supported by a mechanism fitted inside the hollow cylindrical front wheel shaft. In the gill configuration 1-, which is positioned at approximately the same height as the lower journal hole, which is the center of steering rotation of the outer gear case, the entire lower bevel gear mechanism is configured so that the bevel gear provided on the main gear shaft is as large as possible. As a result, the reduction ratio of the drive device becomes large, and the outer diameter of the drive device becomes sufficiently small, so that the front wheel axle and front wheels are supported closer to the center, and the tread is also smaller. This is what I did.
そして１実施例全説明すれば、第１図は石側の前輪、駆
動装置のみ盆示したが、前輪駆動軸（３）全内装してい
るフロントアクスルハウジング［１１の外側端（では下
部に筒伏の下部ジャーナルボス（２ａ） ｋ有する内側
ギヤケース（２）全取付け、外側に開口するギヤ室（５
ａ）と上部ジャーナル孔（５ｂ）と下部ジャーナル孔（
５ｃ）とを備えている外側ギヤケース（５）全形成して
、内側ギヤケース（２１の上端開口部に嵌合した上蓋（
６）の上部ジャーナルボス（６ａ）に上部ジャーナル孔
（５ｂ）”ｋ、又、下部ジャーナルボス（２ａ）に下部
ジャーナル孔（５ｃ）Ｔｒ、夫々回動自在に嵌入］〜、
ベベルギヤ（７）と（８）全上下部に大々嵌着し几回向
中心軸［９）金、上部ジャーナルボス（６ａ）と下部ジ
ャーナルボス（２ａ）の筒心に一致させながら、ベベル
ギヤ（７）１介してベアリングｄＯ）Ｋて内側ギヤケー
ス（２）とベアリング（］１）にて外側ギヤケース（５
］ｉ’ｍ天々軸叉し、ベアリング（４）（でて軸支され
る前輪駆動軸（３）の外側部に取付は穴ベベルギヤ（歳
葡上位のベベルギヤ（７）に噛合せて上位のベベルギヤ
機構とする。To fully explain one embodiment, Figure 1 shows only the front wheel and drive unit on the stone side, but the front wheel drive shaft (3) is completely housed in the front axle housing [11]. The lower journal boss (2a) with the inner gear case (2) fully installed, and the gear chamber (5) that opens to the outside.
a), upper journal hole (5b), and lower journal hole (
The outer gear case (5) is completely formed and has an upper lid (5c) fitted into the upper end opening of the inner gear case (21).
6), the upper journal hole (5b)"k is rotatably fitted into the upper journal boss (6a), and the lower journal hole (5c) Tr is rotatably fitted into the lower journal boss (2a).
Fit the bevel gears (7) and (8) completely on the upper and lower parts, aligning the rotation center axis [9] with the cylindrical center of the upper journal boss (6a) and lower journal boss (2a), and insert the bevel gear ( 7) Connect the inner gear case (2) through the bearing dO)K and the outer gear case (5) through the bearing (]1).
]I'm the top shaft, and the bearing (4) (attached to the outer part of the front wheel drive shaft (3) that is supported by the shaft) is a hole bevel gear (meshing with the upper bevel gear (7)) Bevel gear mechanism.
又、外側ギャク゛−ス（５）の外側端と外蓋（２２）と
にて輪状の内歯ギヤ（２８１全挾むようにしてポルｌ−
Ｋｌｌ・・・にてこれら全固定し、太陽ギヤ０９）全嵌
着している太陽ギヤ軸０８）は、その内側部全ベアリン
グ（１６）にて外側ギヤケース（５）の内側壁（５ｄ）
に、又、その外側部盆ベアリング（＋５）にて中空筒秋
の前輪軸（１４）にその軸支装置が下部ジャーナル孔（
５ｃ）と大略同−又はそｒＬ以上の高さに軸支し、太陽
ギヤ軸（［８）の内側部に・形成し友大径のベベルギヤ
（１７） ’に回向中心軸（９）の下位のベベルギヤ（
８）と噛合せて、下位のベベルギヤ機構とする。In addition, a ring-shaped internal gear (281) is inserted between the outer end of the outer space (5) and the outer cover (22) so that the outer end of the outer space (5) and the outer cover (22) completely sandwich the ring-shaped internal gear (281).
The sun gear shaft 08), which is fully fixed at the Kll... and the sun gear 09) is fully fitted, is attached to the inner wall (5d) of the outer gear case (5) with its inner bearing (16).
In addition, the shaft support device is attached to the front wheel shaft (14) of the hollow tube with the outer tray bearing (+5) in the lower journal hole (
5c) at a height approximately the same as or more than L, and formed on the inside of the sun gear shaft ([8). Lower bevel gear (
8) to form a lower bevel gear mechanism.
そして、軸支体（２０）の内孔（２０ａ）ｋ入隅ギヤ軸
（１８）に外嵌しながら、外側ギヤケース（５）のギヤ
室（５ａ）に設Ｇ丁た座（５ｅ）に＠文体（ロ）全接合
して、ポル） （２９１・・・にてこの軸支体（財）紫
座（５ｅ］Ｃ取付け、前輪軸（１→の中空軸ｇ（１４ａ
）ｆｆｉ人陽太陽軸（１８）に外嵌して、この中空軸部
（１４ａ］は、その内側ＶＡ會ベアリングｆ２１） ｋ
介して軸支体（財）に軸支すると共に、その外側部全ベ
アリングに）ＩＣよって外蓋弊）に軸支し、このときベ
アリング（２１）（至）は後述する遊星ギヤ（２ηの左
右に位置するよう定める。Then, while fitting the inner hole (20a) of the shaft support (20) into the corner gear shaft (18), it is installed in the gear chamber (5a) of the outer gear case (5) and placed in the seat (5e). Style (b) Fully joined, Pol) (At 291... install this shaft support (foundation) Purple seat (5e) C, front wheel shaft (1 → hollow shaft g (14a)
)ffi Fitted on the outside of the sun shaft (18), this hollow shaft part (14a) has its inner VA bearing f21) k
At the same time, the bearings (21) (to) are supported by the planetary gears (left and right of 2η), which will be described later. It is determined that it will be located at
中空軸部（１４Ｉａ）Ｌｌｃはキャリヤ（財））全スプ
ライン嵌着して、このキャリヤ（２６）の外周部の数個
所に遊星ギヤ（ｍ） 葡ピン（２８１に介して回転自在
に軸支して、前輪軸０→葡上述の工うに太陽ギヤ軸０８
）に外嵌して軸支した秋態では、中空軸部（１４ａ）の
数個所に設けている切欠孔（１４ｂ）’に介して太陽ギ
ヤ（１９） Ｋ天々の遊星ギヤ（２７）が噛合うことに
なり、又、同時にこれらの遊星ギヤ（Ｚ７）は門歯ギヤ
（転））にも噛合うことになる遊星運動減速機構が形成
される。The hollow shaft portion (14Ia) Llc is fitted with a carrier (incorporated) with full splines, and a planetary gear (m) is rotatably supported at several points on the outer periphery of the carrier (26) via a pin (281). Then, front wheel axle 0 → Sun gear shaft 08
), the sun gear (19) and the planetary gear (27) are inserted through the notch holes (14b)' provided in several places in the hollow shaft (14a). A planetary movement reduction mechanism is formed in which these planetary gears (Z7) also mesh with the incisor gears (transfer) at the same time.
そして、この前輪軸（Ｉ→の軸支方法の他の実施例とし
て第２図に示しｔものは、下位のベベルギヤ機構の太陽
ギヤ軸（＋８）Ｋ嵌着されるベベルギヤ四へベアリ・ン
グｔ８０＞ ｋ介してこの前輪軸◇→の内側部會軸支し
、前輪軸０→の外側部は上記第１図と同様に外蓋（２２
）へベアリングに）に工って軸支して、この場合も、ベ
アリングｌ８０）に）は、遊星ギヤｆ２７）・・・の左
右に位置せしめている。Another embodiment of the front wheel shaft (I→) support method shown in FIG. The inner part of this front wheel axle ◇→ is supported via the outer cover (22) as in Fig. 1 above.
) to the bearings), and in this case, the bearings l80)) are positioned on the left and right sides of the planetary gears f27).
又、各図において前輪軸（１４）の外側端には前車輪の
ホイルディスク［１’ｌｌ） ｋ取付けている。Furthermore, in each figure, a front wheel wheel disc [1'll)k is attached to the outer end of the front wheel axle (14).
したがって、何れの実施例においても、外側ギヤケース
（５）に取付けられている図示外のナックルアーム全舵
取機構によって回向操作すれば、上部ジャーナルボス（
６ａ）と下部ジャーナルボス（２ａ）及び回向中心軸（
９）全中心に外側ギヤケース（５）と前輪軸ｄ→及びこ
ｆ″Ｌ、ＶＣ取付けられている前車輪（ＩＢ）が回向す
ることになり、又、図示外の前輪デフギヤ機構によって
前輪駆動軸（３）が駆動されると、上位のベベルギヤ機
構と下位のベベルギヤ機構と全弁して太陽ギヤ軸（１８
）が駆動され、キャリヤ（財））はこの太陽ギヤ軸（１
）よりも犬きく減速されて、前輪軸０→に取付けされて
いる前車輪全駆動することになる。Therefore, in any of the embodiments, if the rotation operation is performed by the knuckle arm full steering mechanism (not shown) attached to the outer gear case (5), the upper journal boss (
6a), lower journal boss (2a) and rotation center axis (
9) The front wheel (IB) attached to the outer gear case (5) and the front wheel axle d → and f''L and VC rotates around the entire center, and the front wheel is driven by a front wheel differential gear mechanism (not shown). When the shaft (3) is driven, the upper bevel gear mechanism and the lower bevel gear mechanism are fully connected to the sun gear shaft (18
) is driven, and the carrier (goods)) is driven by this sun gear shaft (1
), and the front wheels attached to the front wheel axle 0→ are fully driven.
この発明は回向中心軸（９）全駆動するように設けたベ
ベルギヤ機構と遊星運動減速機構と全組合せているので
、前輪駆動軸（３）の回転速度はこのベベルギヤ機構及
び遊星運動減速機構によって犬きぐ減速されて前車輪金
低速にて駆動することになる。Since this invention is fully combined with a bevel gear mechanism and a planetary motion reduction mechanism that are provided to fully drive the turning center shaft (9), the rotational speed of the front wheel drive shaft (3) is controlled by the bevel gear mechanism and the planetary motion reduction mechanism. The speed of the front wheels is reduced to a low speed.
そして、太陽ギヤ軸（＋ｓ） 全、外側のギヤケース（
５）の舵取回向中心となっている下部ジャーナル孔（５
ｃ）と大略同一高さに、又（ｄこ扛以上の高い位置に軸
支したので、この入隅ギヤ軸０８）に設けるベベルギヤ
０７）（又は（２９１）は、その外径？充分に大きく形
成することができたので、外側ギヤケース（５）の外形
は大きくしないでこのベベルギヤ０７）（又は（２９１
）とベベルギヤ（８）とからなる下位のベベルギヤ機構
の減速比は充分に大きくすることができたので、この駆
動装置の減速比は一層大きぐなつ几のである。Then, the sun gear shaft (+s), the entire outer gear case (
The lower journal hole (5) is the center of steering turning.
Since the shaft is supported at approximately the same height as (c) and at a higher position than (d), the bevel gear 07) (or (291) installed on this corner gear shaft 08) has a sufficiently large outer diameter. Since the outer gear case (5) can be formed without increasing the external shape, this bevel gear 07) (or (291)
) and the bevel gear (8), the reduction ratio of the lower bevel gear mechanism can be made sufficiently large, so the reduction ratio of this drive device is even larger.
しかも１太陽ギヤ軸０８）に外嵌するよう位置せしめた
中空筒状のｉ１輪４１１Ｏ→のキャリヤ（２０）に軸支
している遊星ギヤｆｍｌ ｅ ｓ 前輪軸（ｌａ）ｔｉ
ｃ設けた切欠孔（１４ｂ）？介して太陽ギヤ（１９）に
噛合せると共に、外側ギヤケース（５）に取付けている
門歯ギヤ（２８）に噛合せているので、この遊星運動減
速機構の駆動軸である入隅ギヤ軸０８）に従動軸である
前輪軸０劫が同心状に外嵌されてその槓＠（駆動装置の
左方方向幅〕が充分に短縮でき友のであり、この結果、
前輪軸（ｌ→の外側端に取付けられるホイルディスク０
８）は、充分に芹右方向中心側に接近し７ζ位置となっ
て、前車輪のトレッドは充分に小さくできるのである。Moreover, the planetary gear fml e s front wheel shaft (la) ti is pivotally supported by the carrier (20) of the hollow cylindrical i1 wheel 411O, which is positioned so as to fit onto the sun gear shaft 08).
c cutout hole (14b)? Since it meshes with the sun gear (19) through the inlet gear and the incisor gear (28) attached to the outer gear case (5), the inner corner gear shaft 08) which is the drive shaft of this planetary motion reduction mechanism. The front wheel axle, which is the driven shaft, is fitted concentrically to the outside, and the width of the shaft (width in the left direction of the drive device) can be sufficiently shortened, and as a result,
Wheel disc 0 attached to the outer end of the front wheel axle (l→
8) is sufficiently close to the center side in the right direction to the 7ζ position, and the tread of the front wheel can be made sufficiently small.
第１図と第２図はこの発明の夫々の実施例ｒ示す縦断正
面図である。
符号説明
［１１・・・・・・フロントアクスルハウジング（２）
・・・・・・内側ギヤケース （３１・・・・・・前輪
駆動軸（２ａ）・・・・・・下部ジャーナルボス［４１
ＧＯ＋ ＋１ηａ５）ｎｏ）＋２１１嘆）＋８０１・・
・・・・ベアリング（５）・・・・・・外側ギヤケース
（５ａ）・・・・・・ギヤ室（５ｂ）・・・・・・上
部ジャーナル孔（５ｃ）・・・・・・下部ジャーナル孔
（５ｄ）・・・・・内側壁 （５ｅ）・・・・・
座（６）・・・・・・上蓋 （６ａ）・・・・・・
土部ジャーナルボス（７１［８］ｔｌａ（１７）（２９
１・・・・・ベベルギヤ （９）・・・・・回向中心軸
（１Ｂ）・・・・・ホイルディスク ０４）・・・・・
前輪軸（１町・・・・入隅ギヤ軸 （］９）・・・
・・・太陽ギヤ（２０）・・・・・軸支体 （
２０ａ）・・・・・・内孔（２２）・・・・・・外蓋
ｔ２８）・・・・・・内歯ギヤ（５））０１
）・・・・・・ポルｌ−１２６１・・・・・キャリヤ（
２７）・・・・・・遊星ギヤ （２８）・・・・
・・ビン時計出願人 井関農機株式会社1 and 2 are longitudinal sectional front views showing respective embodiments of the present invention. Code explanation [11...Front axle housing (2)
...Inner gear case (31...Front wheel drive shaft (2a)...Lower journal boss [41
GO+ +1ηa5) no) +211 lament) +801...
...Bearing (5) ...Outer gear case (5a) ...Gear chamber (5b) ...Upper journal hole (5c) ...Lower journal Hole (5d)...Inner wall (5e)...
Seat (6)...Top lid (6a)...
Dobe Journal Boss (71 [8] tla (17) (29)
1...Bevel gear (9)...Rotation center axis (1B)...Wheel disc 04)...
Front wheel axle (1 town...inner corner gear shaft (]9)...
... Sun gear (20) ... Shaft support (
20a)...Inner hole (22)...Outer cover
t28)...Internal gear (5))01
)...Pol l-1261...Carrier (
27)... Planetary gear (28)...
...Bin clock applicant Iseki Agricultural Machinery Co., Ltd.
Claims (1)
スへ舵取回向自在に嵌合し、この舵取回向中心に軸心ン
一致させて設ｖ″ｒ罠回向中心軸？、上位のベベルギヤ
機構を弁して前輪駆動軸によって駆動さｎるエラに設け
、外側ギヤケースに内装し疋遊星運動減速機構のキャリ
ヤ全上記前輪軸に結合し、その人陽ギヤ軸７上記回向中
心軸ＶＣ，Ｊ：つて下位のベベルギヤ機構を介して駆動
するように構成した＠輪駆動装置において、中空筒状の
前輪軸に内嵌するように軸支し瓦人陽ギヤ軸は、外側ギ
ヤケースの舵取回向中心である下部ジャーナル孔と大略
同一高さ以上に位置せしめてなる車両の前輪駆動装置。The outer gear case that supports the front wheel? , fit into the inner gear case so that the steering wheel can freely rotate, set the shaft center to coincide with the center of the steering wheel turn, valve the upper bevel gear mechanism, and drive the front wheel drive shaft The carrier of the planetary movement reduction mechanism is installed in the driven gill, and is housed in the outer gear case, and is connected to the front wheel shaft of the planetary motion reduction mechanism, and the rotation center axis VC, J of the gear shaft 7 is connected to the lower bevel gear mechanism. In the @wheel drive device configured to drive the vehicle, the Kawarinyo gear shaft, which is supported so as to fit inside the hollow cylindrical front wheel shaft, is roughly connected to the lower journal hole, which is the center of steering rotation of the outer gear case. A front wheel drive device for a vehicle that is located at or above the same height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5672483A JPS58180323A (en) | 1983-03-31 | 1983-03-31 | Front wheel driving gear for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5672483A JPS58180323A (en) | 1983-03-31 | 1983-03-31 | Front wheel driving gear for vehicle |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20431284A Division JPS60121125A (en) | 1984-09-28 | 1984-09-28 | Steering wheel driving device of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58180323A true JPS58180323A (en) | 1983-10-21 |
| JPS612525B2 JPS612525B2 (en) | 1986-01-25 |
Family
ID=13035437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5672483A Granted JPS58180323A (en) | 1983-03-31 | 1983-03-31 | Front wheel driving gear for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58180323A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798260A (en) * | 1986-03-27 | 1989-01-17 | Kubota, Ltd. | Steering apparatus for a front wheel drive tractor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR973268A (en) * | 1941-08-09 | 1951-02-09 | Bendix Aviat Corp | Wheel improvements |
| FR1068378A (en) * | 1952-12-18 | 1954-06-24 | Rech S Ind Soc Et | Motor and steering axle for motor vehicles |
| US3378095A (en) * | 1967-02-06 | 1968-04-16 | Caterpillar Tractor Co | Multi-wheeled oscillating carriage |
| US3696879A (en) * | 1969-05-31 | 1972-10-10 | Komatsu Mfg Co Ltd | Heavy bulldozer |
| JPS4842136A (en) * | 1971-10-07 | 1973-06-19 | ||
| JPS5121620A (en) * | 1974-08-13 | 1976-02-20 | Kubota Ltd | Torakutatono zenrinkudosochi |
| JPS51124715U (en) * | 1975-04-03 | 1976-10-08 |
-
1983
- 1983-03-31 JP JP5672483A patent/JPS58180323A/en active Granted
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR973268A (en) * | 1941-08-09 | 1951-02-09 | Bendix Aviat Corp | Wheel improvements |
| FR1068378A (en) * | 1952-12-18 | 1954-06-24 | Rech S Ind Soc Et | Motor and steering axle for motor vehicles |
| US3378095A (en) * | 1967-02-06 | 1968-04-16 | Caterpillar Tractor Co | Multi-wheeled oscillating carriage |
| US3696879A (en) * | 1969-05-31 | 1972-10-10 | Komatsu Mfg Co Ltd | Heavy bulldozer |
| JPS4842136A (en) * | 1971-10-07 | 1973-06-19 | ||
| JPS5121620A (en) * | 1974-08-13 | 1976-02-20 | Kubota Ltd | Torakutatono zenrinkudosochi |
| US3980151A (en) * | 1974-08-13 | 1976-09-14 | Kubota Tekko Kabushiki Kaisha | Front wheel drive assembly for four-wheel drive tractor |
| US3980151B1 (en) * | 1974-08-13 | 1987-10-20 | ||
| JPS51124715U (en) * | 1975-04-03 | 1976-10-08 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798260A (en) * | 1986-03-27 | 1989-01-17 | Kubota, Ltd. | Steering apparatus for a front wheel drive tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS612525B2 (en) | 1986-01-25 |
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