JP3677354B2 - Trailer coupling device that couples the trailer behind the tractor - Google Patents

Trailer coupling device that couples the trailer behind the tractor Download PDF

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Publication number
JP3677354B2
JP3677354B2 JP17795496A JP17795496A JP3677354B2 JP 3677354 B2 JP3677354 B2 JP 3677354B2 JP 17795496 A JP17795496 A JP 17795496A JP 17795496 A JP17795496 A JP 17795496A JP 3677354 B2 JP3677354 B2 JP 3677354B2
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Japan
Prior art keywords
trailer
tractor
connecting portion
coupling
point link
Prior art date
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Expired - Fee Related
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JP17795496A
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Japanese (ja)
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JPH1014319A (en
Inventor
和浩 西山
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株式会社熊谷農機
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Priority to JP17795496A priority Critical patent/JP3677354B2/en
Publication of JPH1014319A publication Critical patent/JPH1014319A/en
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Description

【0001】
【発明の属する技術分野】
本発明は、トラクターの後方にトレーラーを連結するトレーラー連結装置に係るものである。
【0002】
【従来の技術及び発明が解決しようとする課題】
トラクターの後方には、作業用途に応じてロータリーや整地キャリアなど様々な作業装置を連結するが、最近規格の違う作業装置であっても、あるいは規格の違うトラクターに対しても連結できるようにトラクターの後部に三点リンクと称される三点リンク昇降連結部を設け、作業装置側にこの三点リンク昇降連結部と連結する三点連結部を設けている。
【0003】
しかしながら、従来例えばトレーラーを左右回動自在に連結してトラクターで牽引する場合には、トラクター後部に設けた牽引連結部にトレーラーの前端に設けたトレーラー側連結部を左右回動自在に枢着連結するが、前述のようにトラクターの後部に三点リンク昇降連結部が設けられているために、この牽引連結部は、この三点リンク昇降連結部よりもトラクター側の奥まった位置に配されている。
【0004】
即ち、従来トラクターXの後方にトレーラーYを牽引連結する場合に、図7に示すように牽引連結部15が奥まったトラクター側に位置するため非常に連結しづらい。
【0005】
即ち、前記トラクターXの後部には三点リンク昇降連結部1があるため、これを避けながらこのやや下方の(後方より見て)奥まった位置に、トレーラー前方に突出した連結杆14を配して連結杆14の先端のトレーラー側連結部4と連結しなくてはならず、前記三点リンク昇降連結部1が邪魔となり、この三点リンク昇降連結部1をわざわざ上方へ退避上昇させたり、場合によってはいちいちこの三点リンク昇降連結部1を取り外したりしなければならない。
【0006】
また、トラクターXの後部には大きな後輪6が左右に対設されており、この後輪6間に前記牽引連結部15があるため、一層連結しづらいだけでなく、図8に示すように左右にこの大きな後輪6があるため、トレーラーYを左右回動自在に枢着連結しても、枢着連結部がこの後輪6間の奥まった位置にあるため、この後輪6に規制されてトレーラーYがトラクターXに対して左右に傾動走行できる角度が規制されることになり、トラクターがわずかな角度しか回れずトラクターのカーブ走行がスムーズにいかなかったり、小回りがきかないことにもなる。
【0007】
本発明は、トレーラーの連結において、このような問題があることを見い出し、トレーラーもこの三点リンクを利用して連結でき、しかも後輪による規制も少なくトラクターに対して左右に大きく傾斜した傾斜走行が可能となり、更に三点リンク昇降連結部をトラク ター操縦席の操作で上昇させることによりそのままトレーラーYを後方へ傾斜させることができ、積載物を後方へ排出することも可能な画期的なトラクターの後方にトレーラーを連結するトレーラー連結装置を提供することを目的としている。
【0008】
【課題を解決するための手段】
添付図面を参照して本発明の要旨を説明する。
【0009】
三点位置に連結部1A・1B・1Cを有する三点リンク昇降連結部1をトラクター操縦席での操作により前記連結部1A・1B・1Cが昇降するようにトラクター後部に設けているトラクターXの後方にトレーラーYを連結するトレーラー連結装置であって、基体2の前部に前記三点位置の各連結部1A・1B・1Cに連結し得る連結部3A・3B・3Cを有する三点連結部3を設け、この基体2の後部に、トラクターX後方へ向けて突出配設されトレーラーYのトレーラー側連結部4に左右回動自在に連結し得るトレーラー牽引連結部5を設け、且つ前記トレーラー側連結部4とトレーラー牽引連結部5を上下回動自在に枢着することで互いを連結したまま上方へヘ字状に折曲自在となるように構成したことを特徴とするトラクターの後方にトレーラーを連結するトレーラー連結装置に係るものである。
【0010】
【発明の実施の形態】
好適な本発明の実施の形態(発明をどのように実施するか)を、図面に基づいてその作用効果を示して簡単に説明する。
【0011】
基体2の前部の三点連結部3の各連結部3A・3B・3Cを、トラクター後部の三点リンク昇降連結部1の各連結部1A・1B・1Cに連結する。
【0012】
これにより基体2の後部はトラクター後方に突出状態に配されることになり、この基体2の後部に設けたトレーラー牽引連結部5にトレーラー側連結部4を左右回動自在に枢着連結する。
【0013】
従って、ロータリーや整地キャリアなどの作業装置と同様にトレーラーYも簡単に牽引連結できると共に、この枢着連結部は、トラクターXの後方の三点リンク昇降連結部1から更に後方へ突出した位置に配することができるので、従来の奥まった位置で枢着連結する場合に比べて、連結作業が容易となる上に、後輪6の規制を受けずトラクターXに対して左右に大きく傾動走行でき、トラクターXに対して側方へ略90度走行向きが傾動した状態ともなり得るようにも設計可能となり、トラクターXのカーブ走行もスムーズとなり、トラクターXの小回り走行が良好となる。
【0014】
また、三点リンク昇降連結部1と連結するため、トラクター操縦席で三点リンク昇降連結部1を上昇させると、トレーラーYの前部が持ち上げられることになり、例えばトレーラーY上の積載物をトレーラーY後方に排出できる等便利となる。
【0015】
【実施例】
本発明の具体的な実施例について図面に基づいて説明する。
【0016】
本実施例は、三点位置に連結部1A・1B・1Cを有する三点リンク昇降連結部1をトラクター操縦席での操作により前記連結部1A・1B・1Cが昇降するようにトラクター後部に設けているトラクターXとトレーラーYとを連結するものであるが、既存のこの三点リンク昇降連結部1を利用してトレーラーYを簡単に牽引連結できるものである。
【0017】
この三点リンク昇降連結部1は、既存のものであり、詳しい説明は省略するが、図2,図3,図4に示すように、下部左右のロアリンク7A,7Bと上部のトップリンク7Cとからなり、この各リンクの先端に係止連結できる各連結部1A・1B・1Cが設けられており、トラクター基端側のシリンダー装置8のロッド8Aの進退により各リンク7A・7B・7Cを介して先端の連結部1A・1B・1Cが昇降する構成で、このシリンダー装置8の駆動をトラクター操縦席で操作するように構成したものである。
【0018】
一方、本実施例では、前後方向に長さを有する筒体状の基体2の前部に前記三点位置の各連結部1A・1B・1Cに連結し得る連結部3A・3B・3Cを有する三点連結部3を設けている。
【0019】
具体的には、この基体2の前端に左右腕杆と上方腕杆とを連設し、補強のため基体2と各腕杆並びに腕杆同志に補強桟杆を架設している。この各腕杆の先端に前記連結部3A・3B・3Cを設けて、前記三点リンク昇降連結部1の各連結部1A・1B・1Cに相対する位置となるように設けている。
【0020】
各連結部3A・3B・3Cは、係止杆を夫々設け、この係止杆を夫々各連結部1A・1B・1Cに係合連結させる構造としている。
【0021】
具体的には、まず上方の連結部3Cを連結部1Cに引っ掛け係合した上で、下部左右の連結部3A・3Bを連結部1A・1Bに係止させ、ロックレバー9を操作することにより連結部1A・1B・1Cから連結部3A・3B・3Cが抜け止め状態となり連結ロックされるように構成している。
【0022】
また、この基体2の後部に、トラクターX後方へ向けて突出配設され、トレーラーYのトレーラー側連結部4に左右回動自在に連結し得るトレーラー牽引連結部5を設けている。
【0023】
具体的には、筒体状の基体2の後端に連結筒10を差し込み連結し、この連結筒10の後端にはチャンネル状の取付金具11が基体2に対して回動自在に設けられ、この取付金具11に左右回動自在に取付ブロック12が嵌合枢着されている。
【0024】
この取付ブロック12をトレーラーYの前方へ突設されているトレーラー側連結部4と上下折曲自在に連結し得るように構成している。
【0025】
具体的には、トレーラーYの前方へ突設されている連結杆14の先端にはチャンネル状の連結金具13が設けられており、この連結金具13に取付ブロック12を嵌合して枢着する構成とし、トレーラー側連結部4とトレーラー牽引連結部5との連結構造を連結したまま上方へヘ字状に折曲自在となるように構成している。
【0026】
従って、基体2の前部の三点連結部3の各連結部3A・3B・3Cを、トラクター後部の三点リンク昇降連結部1の各連結部1A・1B・1Cに連結する。
【0027】
これにより基体2の後部はトラクター後方に後輪6間位置より大きく突出状態に配されることになり、この基体2の後部に設けたトレーラー牽引連結部5にトレーラー側連結部4を左右回動自在にして上下折曲自在に枢着連結する。
【0028】
従って、ロータリーや整地キャリアなどの作業装置と同様にトレーラーYも簡単に牽引連結できると共に、この枢着連結部は、トラクターXの後方の三点リンク昇降連結部1から更に後方へ突出した位置に配することができるので、従来の奥まった位置で枢着連結する場合に比べて、連結作業が容易となる上に、後輪6の規制を受けずトラクターYに対して左右に大きく傾動走行でき、図6に示すように、トラクターXに対して側方へ略90度走行向きが傾動した状態ともなり得るようにも設計可能となり、トラクターXのカーブ走行もスムーズとなり、トラクターの小回り走行が良好となる。
【0029】
また、三点リンク昇降連結部1と連結するため、トラクター操縦席で三点リンク昇降連結部1を上昇させると、図5に示すようにトレーラーYの前部が持ち上げられることになり、トレーラーY上の積載物をトレーラーY後方に排出でき、非常に便利となる。
【0030】
【発明の効果】
本発明は上述のように構成したから、ロータリーや整地キャリアなどの作業装置と同様にトレーラーも簡単に牽引連結できると共に、この枢着連結部は、トラクターの後方の三点リンク昇降連結部から更に後方へ突出した位置に配することができるので、従来の奥まった位置で枢着連結する場合に比べて、連結作業が容易となる上に、後輪の規制を受けずトラクターに対して左右に大きく傾動走行でき、トラクターのカーブ走行もスムーズとなり、トラクターの小回り走行が良好なトラクターの後方にトレーラーを連結するトレーラー連結装置となる。
【0031】
また、三点リンク昇降連結部をトラクター操縦席の操作で上昇させることによりそのままトレーラーYを後方へ傾斜させることができ、積載物を後方へ排出できる極めて実用性に秀れたトラクターの後方にトレーラーを連結するトレーラー連結装置となる。
【図面の簡単な説明】
【図1】 本実施例の斜視図である。
【図2】 本実施例の取り付け手順を示す説明斜視図である。
【図3】 本実施例の使用状態を示す説明側面図である。
【図4】 本実施例の三点リンク昇降連結部の概略説明図である。
【図5】 本実施例の使用状態における三点リンク昇降連結部を上昇して積載物を排出させている状態の説明側面図である。
【図6】 本実施例のトラクターに対してトレーラーが側方へ大きく傾動走行する場合を示す説明平面図である。
【図7】 従来例のトラクター後方の奥まった位置にトレーラーを連結して牽引する場合の説明側面図である。
【図8】 従来例の図7において、後輪が邪魔となってトラクターに対してトレーラーが側方へわずかしか傾動走行できないことを示す説明平面図である。
【符号の説明】
X トラクター
Y トレーラー
1 三点リンク昇降連結部
1A・1B・1C 連結部
2 基体
3 三点連結部
3A・3B・3C 連結部
4 トレーラー側連結部
5 トレーラー牽引連結部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a trailer coupling device that couples a trailer behind a tractor.
[0002]
[Prior art and problems to be solved by the invention]
Various working devices such as a rotary and leveling carrier are connected to the rear of the tractor depending on the work application, but the tractor can be connected to a tractor with a different standard or a tractor with a different standard recently. A three-point link elevating and connecting part called a three-point link is provided at the rear part, and a three-point connecting part for connecting to the three-point link elevating and connecting part is provided on the working device side.
[0003]
However, in the past, for example, when a trailer is connected to be able to turn left and right and towed by a tractor, the trailer side connecting portion provided at the front end of the trailer is pivotally connected to the towing connecting portion provided at the rear of the tractor. However, as described above, since the three-point link elevating connection part is provided at the rear part of the tractor, the traction connection part is arranged at a deeper position on the tractor side than the three-point link elevating connection part. Yes.
[0004]
That is, when the trailer Y is towed and connected to the rear of the conventional tractor X, it is very difficult to connect because the towed connecting portion 15 is located on the back side of the tractor as shown in FIG.
[0005]
That is, since there is a three-point link elevating connecting part 1 at the rear part of the tractor X, a connecting rod 14 protruding in front of the trailer is arranged at a slightly lower position (as viewed from the rear) while avoiding this. And the trailer side connecting portion 4 at the tip of the connecting rod 14 must be connected, and the three-point link lifting / lowering connecting portion 1 becomes an obstacle, and the three-point link lifting / lowering connecting portion 1 is retreated upward. In some cases, the three-point link lifting / lowering connecting portion 1 must be removed one by one.
[0006]
In addition, a large rear wheel 6 is provided on the left and right of the rear portion of the tractor X, and the traction connecting portion 15 is provided between the rear wheels 6, so that it is difficult to further connect, as shown in FIG. Since the large rear wheels 6 are provided on the left and right, even if the trailer Y is pivotally connected to be pivotable to the left and right, the pivot attachment portion is located at a deep position between the rear wheels 6, so that the rear wheel 6 is restricted. As a result, the angle at which the trailer Y can tilt to the left and right with respect to the tractor X is regulated, the tractor can only turn a small angle, the tractor's curve traveling does not go smoothly, and the small turn does not work. .
[0007]
The present invention finds that there is such a problem in the connection of the trailer, the trailer can also be connected using this three-point link, and there is little restriction by the rear wheel, and the vehicle is inclined to the left and right with respect to the tractor. it becomes possible to further the three-point link lifting connecting portion can be directly tilting the trailer Y rearward by raising the operation of tractors cockpit, also possible revolutionary possible to discharge the cargo to the rear An object of the present invention is to provide a trailer coupling device that couples a trailer behind a tractor.
[0008]
[Means for Solving the Problems]
The gist of the present invention will be described with reference to the accompanying drawings.
[0009]
Of the tractor X provided at the rear of the tractor so that the connecting portions 1A, 1B, and 1C can be moved up and down by operating the three-point link raising and lowering connecting portion 1 having the connecting portions 1A, 1B, and 1C at three positions. A trailer coupling device that couples a trailer Y to the rear, and a three-point coupling portion having coupling portions 3A, 3B, and 3C that can be coupled to the coupling portions 1A, 1B, and 1C at the three-point position at the front portion of the base 2 3 is provided, at the rear of the base 2, only set the trailer towing coupling portion 5 which can rotatably connected to the left and right pivoting trailer side connecting portion 4 of the protruding arranged to trailer Y toward the tractor X rear, and the trailer behind the tractor, characterized that you configured so as to be freely bent side connecting portion 4 and trailer towing coupling part 5 vertically pivotally f-shape upward while connected to each other by pivotally Those of the trailer coupling apparatus for coupling a trailer.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
A preferred embodiment of the present invention (how to carry out the invention) will be briefly described with reference to the drawings, showing its effects.
[0011]
The connecting portions 3A, 3B, and 3C of the three-point connecting portion 3 at the front portion of the base 2 are connected to the connecting portions 1A, 1B, and 1C of the three-point link lift connecting portion 1 at the rear of the tractor.
[0012]
As a result, the rear portion of the base body 2 is arranged in a protruding state behind the tractor, and the trailer side connecting portion 4 is pivotally connected to the trailer towing connecting portion 5 provided at the rear portion of the base body 2 so as to be pivotable in the left-right direction.
[0013]
Accordingly, the trailer Y can be easily pulled and connected in the same manner as a work device such as a rotary or a leveling carrier, and the pivot connecting portion is located at a position further protruding rearward from the three-point link lifting and lowering connecting portion 1 behind the tractor X. Compared to the conventional pivoted connection at a deep position, the connection work is easier and the vehicle can be greatly tilted to the left and right with respect to the tractor X without being restricted by the rear wheel 6. In addition, it is possible to design the vehicle so that the traveling direction can be tilted approximately 90 degrees laterally with respect to the tractor X, the tractor X can smoothly travel in the curve, and the tractor X can travel smoothly.
[0014]
Further, in order to connect with the three-point link lifting / lowering connecting portion 1, when the three-point link lifting / lowering connecting portion 1 is raised at the tractor cockpit, the front part of the trailer Y is lifted. It is convenient because it can be discharged to the rear of the trailer Y.
[0015]
【Example】
Specific embodiments of the present invention will be described with reference to the drawings.
[0016]
In this embodiment, a three-point link elevating connecting portion 1 having connecting portions 1A, 1B, and 1C at three points is provided at the rear of the tractor so that the connecting portions 1A, 1B, and 1C can be moved up and down by operation at a tractor cockpit. The tractor X and the trailer Y are connected to each other, and the trailer Y can be easily towed and connected using the existing three-point link elevating and connecting part 1.
[0017]
The three-point link lifting / lowering connecting portion 1 is an existing one and will not be described in detail. However, as shown in FIGS. 2, 3, and 4, the lower left and right lower links 7A and 7B and the upper top link 7C are provided. Each link 7A, 1B, 1C that can be locked and connected to the tip of each link is provided, and each link 7A, 7B, 7C is moved by the forward and backward movement of the rod 8A of the cylinder device 8 on the tractor base end side. The connecting portions 1A, 1B, and 1C at the front end are moved up and down, and the driving of the cylinder device 8 is operated at the tractor cockpit.
[0018]
On the other hand, in the present embodiment, the front portion of the cylindrical base body 2 having a length in the front-rear direction has connection portions 3A, 3B, and 3C that can be connected to the connection portions 1A, 1B, and 1C at the three points. A three-point connecting portion 3 is provided.
[0019]
Specifically, left and right armbands and upper armbands are connected to the front end of the base body 2, and reinforcing bars are erected between the base body 2, each armband and the armbands for reinforcement. The connecting portions 3A, 3B, and 3C are provided at the ends of the armbands so as to be positioned at positions corresponding to the connecting portions 1A, 1B, and 1C of the three-point link lift connecting portion 1.
[0020]
Each of the connecting portions 3A, 3B, and 3C is provided with a locking rod, and the locking rod is engaged and connected to each of the connecting portions 1A, 1B, and 1C.
[0021]
Specifically, by first engaging the upper connecting portion 3C with the connecting portion 1C, engaging the lower left and right connecting portions 3A and 3B with the connecting portions 1A and 1B, and operating the lock lever 9 The connecting portions 1A, 1B, and 1C are configured to prevent the connecting portions 3A, 3B, and 3C from being detached and locked.
[0022]
Further, a trailer traction connecting portion 5 is provided at the rear portion of the base body 2 so as to protrude rearward from the tractor X and can be connected to the trailer side connecting portion 4 of the trailer Y so as to be able to turn left and right.
[0023]
Specifically, the connecting cylinder 10 is inserted and connected to the rear end of the cylindrical base body 2, and a channel-shaped mounting bracket 11 is provided at the rear end of the connecting cylinder 10 so as to be rotatable with respect to the base body 2. A mounting block 12 is fitted and pivotally attached to the mounting bracket 11 so as to be rotatable left and right.
[0024]
The mounting block 12 can be connected to the trailer side connecting portion 4 projecting forward of the trailer Y so as to be bent up and down.
[0025]
Specifically, a channel-shaped connecting bracket 13 is provided at the tip of the connecting rod 14 projecting forward of the trailer Y, and the mounting block 12 is fitted to the connecting bracket 13 to be pivotally attached. The configuration is such that the connecting structure of the trailer side connecting portion 4 and the trailer towing connecting portion 5 can be bent upwardly while being connected.
[0026]
Therefore, each connection part 3A * 3B * 3C of the three point connection part 3 of the front part of the base | substrate 2 is connected with each connection part 1A * 1B * 1C of the three point link raising / lowering connection part 1 of a tractor rear part.
[0027]
As a result, the rear part of the base body 2 is arranged in a projecting state larger than the position between the rear wheels 6 at the rear of the tractor, and the trailer side connection part 4 is rotated to the left and right by the trailer traction connection part 5 provided at the rear part of the base body 2. It can be freely pivoted and connected vertically.
[0028]
Accordingly, the trailer Y can be easily pulled and connected in the same manner as a work device such as a rotary or a leveling carrier, and the pivot connecting portion is located at a position further protruding rearward from the three-point link lifting and lowering connecting portion 1 behind the tractor X. Compared to the conventional pivoted connection at a deep position, the connection work is easier and the vehicle can be greatly tilted to the left and right with respect to the tractor Y without being restricted by the rear wheel 6. As shown in FIG. 6, it is possible to design the vehicle so that the traveling direction can be tilted by about 90 degrees laterally with respect to the tractor X, the tractor X can be smoothly curved, and the tractor can travel smoothly. It becomes.
[0029]
Further, when the three-point link lifting / lowering connecting portion 1 is raised at the tractor cockpit to connect with the three-point link lifting / lowering connecting portion 1, the front portion of the trailer Y is lifted as shown in FIG. The upper load can be discharged behind the trailer Y, which is very convenient.
[0030]
【The invention's effect】
Since the present invention is configured as described above, the trailer can be easily pulled and connected in the same manner as a work device such as a rotary or a leveling carrier, and the pivot connecting portion is further provided from the three-point link lifting and lower connecting portion at the rear of the tractor. Since it can be placed in a position that protrudes backward, it is easier to connect compared to the conventional case where it is pivotally connected in a deep position. The trailer connecting device connects the trailer to the rear of the tractor, which can tilt and travel smoothly, and the tractor can smoothly run around the tractor, and the tractor can make a small turn.
[0031]
In addition , the trailer Y can be tilted rearward as it is by raising the three- point link elevating connection by operating the tractor cockpit, and the trailer can be discharged to the rear of the tractor with excellent practicality. It becomes a trailer coupling device which couples.
[Brief description of the drawings]
FIG. 1 is a perspective view of the present embodiment.
FIG. 2 is an explanatory perspective view showing a mounting procedure of the present embodiment.
FIG. 3 is an explanatory side view showing a use state of the embodiment.
FIG. 4 is a schematic explanatory diagram of a three-point link lifting / lowering connection portion according to the present embodiment.
FIG. 5 is an explanatory side view showing a state in which the three-point link lift connecting portion is lifted and the load is discharged in the use state of the embodiment.
FIG. 6 is an explanatory plan view showing a case where the trailer largely tilts to the side with respect to the tractor of the present embodiment.
FIG. 7 is an explanatory side view in the case where a trailer is connected and pulled at a position deep behind the tractor in the conventional example.
FIG. 8 is an explanatory plan view showing that the trailer can be slightly tilted to the side with respect to the tractor because the rear wheel becomes an obstacle in FIG. 7 of the conventional example.
[Explanation of symbols]
X Tractor Y Trailer 1 Three-point link lifting connection 1A, 1B, 1C Connection 2 Base 3 Three-point connection 3A, 3B, 3C Connection 4 Trailer side connection 5 Trailer towing connection

Claims (1)

三点位置に連結部を有する三点リンク昇降連結部をトラクター操縦席での操作により前記連結部が昇降するようにトラクター後部に設けているトラクターの後方にトレーラーを連結するトレーラー連結装置であって、基体の前部に前記三点位置の各連結部に連結し得る連結部を有する三点連結部を設け、この基体の後部に、トラクター後方へ向けて突出配設されトレーラーのトレーラー側連結部に左右回動自在に連結し得るトレーラー牽引連結部を設け、且つ前記トレーラー側連結部とトレーラー牽引連結部を上下回動自在に枢着することで互いを連結したまま上方へヘ字状に折曲自在となるように構成したことを特徴とするトラクターの後方にトレーラーを連結するトレーラー連結装置。A trailer coupling device that couples a trailer to the rear of a tractor provided at the rear of the tractor so that the coupling portion moves up and down by an operation at a tractor cockpit with a three-point link elevation coupling unit having a coupling unit at a three-point position. A three-point connecting portion having a connecting portion that can be connected to each connecting portion at the three-point position is provided at a front portion of the base body, and a trailer side connecting portion of the trailer that is disposed to protrude rearward of the tractor at the rear portion of the base body. trailer towing connection unit capable of connecting to freely right and left pivot setting only, and the trailer-side coupling part and trailer towing coupling portion vertically rotatably f-shape upward while connected to each other by pivoted to trailer coupling apparatus for coupling a trailer behind a tractor, characterized that you configured so as to be freely bent.
JP17795496A 1996-07-08 1996-07-08 Trailer coupling device that couples the trailer behind the tractor Expired - Fee Related JP3677354B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17795496A JP3677354B2 (en) 1996-07-08 1996-07-08 Trailer coupling device that couples the trailer behind the tractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17795496A JP3677354B2 (en) 1996-07-08 1996-07-08 Trailer coupling device that couples the trailer behind the tractor

Publications (2)

Publication Number Publication Date
JPH1014319A JPH1014319A (en) 1998-01-20
JP3677354B2 true JP3677354B2 (en) 2005-07-27

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JP17795496A Expired - Fee Related JP3677354B2 (en) 1996-07-08 1996-07-08 Trailer coupling device that couples the trailer behind the tractor

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210122442A (en) * 2020-04-01 2021-10-12 배석우 Balanced two-wheel transport mechanism with dump function

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102156477B1 (en) * 2018-10-22 2020-09-15 배석우 Three-wheel carrier with a connection between the loading and the anchorage of the vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210122442A (en) * 2020-04-01 2021-10-12 배석우 Balanced two-wheel transport mechanism with dump function
KR102395875B1 (en) 2020-04-01 2022-05-09 배석우 Balanced two-wheel transport mechanism with dump function

Also Published As

Publication number Publication date
JPH1014319A (en) 1998-01-20

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