JP4555993B2 - Fertilizer spreader - Google Patents

Fertilizer spreader Download PDF

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JP4555993B2
JP4555993B2 JP2005074715A JP2005074715A JP4555993B2 JP 4555993 B2 JP4555993 B2 JP 4555993B2 JP 2005074715 A JP2005074715 A JP 2005074715A JP 2005074715 A JP2005074715 A JP 2005074715A JP 4555993 B2 JP4555993 B2 JP 4555993B2
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fertilizer
spinner
shutter
blade
plate
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JP2006254752A (en
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一仁 佐々木
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株式会社ササキコーポレーション
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本発明は、肥料散布機の水平回転するスピンナによる散布部の構造に関するものである。   The present invention relates to a structure of a spraying part by a horizontally rotating spinner of a fertilizer spreader.

肥料の散布が広範囲に、かつ、均平に散布しうる対向回転円板式の肥料散布機として、特開平11-225524号公報(特許文献1)が知られる。この公報には「スピンナー4・4の上面に設けられる翼板41・・・は、それの下縁に、スピンナー4・4の上面に沿う平板状の取付座板41aが連続して形成してあって、全体としてアングル状に形成してあり、それの取付座41aを、図7に示している如くアジテータ軸40中心に放射状にスピンナー4の上面に配位し、スピンナー4の中心に寄る内端側と、周縁に寄る外端側とを、連結ピン42・43によりスピンナー4に連結することで装着するが、外端側の連結ピン43は、スピンナー4に開設した連結穴44に対し挿脱自在に組付け、かつ、その外端側の連結ピン43が、内端側の連結ピン42中心とする取付座板41aの回動により画かれる回動軌跡上で、スピンナー4の回動方向に対し後方に位置する部位に開設しておく連結穴44・・・に嵌挿して連結することで、翼板41・・・がスピンナー軸40中心とする放射方向に対し所定の後退角θを具備する状態に組付けられるようにしてある。   Japanese Patent Laid-Open No. 11-225524 (Patent Document 1) is known as a counter rotating disc type fertilizer spreader that can spread fertilizer in a wide range and evenly. According to this publication, “a blade plate 41... Provided on the upper surface of the spinner 4, 4 is formed by continuously forming a flat mounting seat 41 a along the upper surface of the spinner 4, 4 at the lower edge thereof. As shown in FIG. 7, the mounting seat 41a is radially arranged on the upper surface of the spinner 4 and centered on the spinner 4 as shown in FIG. The end side and the outer end side approaching the periphery are attached by connecting to the spinner 4 by connecting pins 42 and 43. The outer end connecting pin 43 is inserted into the connecting hole 44 provided in the spinner 4. The rotation direction of the spinner 4 is removably assembled and the rotation direction of the spinner 4 is formed on the rotation trajectory formed by the rotation of the mounting seat plate 41a with the connection pin 43 on the outer end side as the center of the connection pin 42 on the inner end side. Connecting hole to be opened in the rear part 4 By linked fitted to ..., it is as vanes 41 ... are assembled to a state having a θ predetermined sweep angle with respect to the radial direction of the spinner shaft 40 center.

集肥部材5は、上述の一対のスピンナー4・4が、肥料ホッパーHの底板2に開設した繰出穴22・22から繰出される肥料Mを、対向側の周縁部の上面に受け止めて遠心力および翼板41・・・の抗力により機体枠1の後面側の散布口から振り出したときに、その肥料M・・・を所定の巾の流れに集合させるもので、前述のスピンナー4・4の翼板41・・・に後退角θを具備せしめた状態時に、ステー7・7をセットボルト70・70により機体枠1に装脱自在に組付けることで装着する。」との技術が開示されている。
特開平11-225524号公報
The fertilizer collecting member 5 receives the fertilizer M fed from the feed holes 22 and 22 opened in the bottom plate 2 of the fertilizer hopper H by the above-described pair of spinners 4 and 4 on the upper surface of the opposite peripheral edge portion, and centrifugal force And the fertilizer M ... are gathered in a flow of a predetermined width when they are swung out from the spray port on the rear side of the machine body frame 1 by the drag of the blades 41 ... When the blades 41 are provided with the receding angle θ, the stays 7 and 7 are mounted by being detachably attached to the body frame 1 with the set bolts 70 and 70. Is disclosed.
JP-A-11-225524

近年、圃場の大規模化が進み、ますます散布作業のスピード化と効率化が要求されるが、前記したスピンナの上面に設けた翼板の放射方向に対して後退角の調整や単にスピンナの回転速度の増加のみでは肥料の散布到達距離にも限界があり、その散布巾の拡大は困難になっていた。   In recent years, the field of farms has become larger, and more and more speeding up and efficiency of spraying work are required. However, the adjustment of the receding angle with respect to the radial direction of the blade plate provided on the upper surface of the spinner described above, or simply the spinner The increase in the spread width of the fertilizer has been difficult only by increasing the rotation speed, and the spread range of the fertilizer has been limited.

上記課題を解決するために、肥料ホッパーと、肥料ホッパーの下方には繰り出し口と、繰り出し口には肥料の繰出量を調節するシャッタ板が設けられ、その繰出口の下方には、水平方向に回転するスピンナを有した散布部を配したトラクタに装着する肥料散布機において、前記スピンナには、その上面に立設した羽根を有するとともに、その回転中心から外縁に向けて次第に椀状あるいは円錐状にセリ上げた形状とし、前記羽根は、回転方向に向けて開放した断面チャンネル状で先端がスピンナの外縁より突出しているとともに、羽根の立設面に適宜に切欠孔を設けたことを特徴とした肥料散布機による。 In order to solve the above-mentioned problems, a fertilizer hopper, a feeding port below the fertilizer hopper, and a shutter plate for adjusting the amount of fertilizer fed are provided at the feeding port, and horizontally below the feeding port. In a fertilizer spreader mounted on a tractor having a sprinkler having a rotating spinner, the spinner has blades standing on its upper surface and gradually has a bowl shape or a conical shape from its rotation center toward the outer edge. The blade has a channel shape with a cross section opened in the rotation direction, the tip protrudes from the outer edge of the spinner, and a notch hole is appropriately provided in the standing surface of the blade. By fertilizer spreader.

以上のような構成にすることにより、従来公知のもの、例えば図7に示す表面がフラットなスピンナ620よりも散布巾を拡大することができたもので、請求項1においては特に、スピンナの中心から外縁に向けて次第に椀状あるいは円錐状にセリ上げた形状によって、繰り出し口から落下した肥料は遠心力を与えられながらセリ上げられてスピンナ外縁から上方に放物線を描いて放出される。このため従来の水平なスピンナに比較して到達点が遠くなり、その分散布巾が広まる。
又、請求項2においては羽根が回転方向に向けて開放した断面チャンネル状で先端がスピンナの外縁より突出しているので、肥料がチャンネル形状の立設面と上面に抱持されて外方へ移動して、その突出した先端から放出されるので、所定の重量を有する肥料は従来より遠心力が大きくなって到達点が大きくなる。
又、請求項3において、断面チャンネル状の羽根の立設面に適宜に切欠孔を設けたので、チャンネル内を抱持されながら移動する肥料の一部が切欠孔を通過し、その肥料の遠心力は小さくなって、その到達点は分散され、幅方向に対する散布精度が向上する。
With the above-described configuration, the spreading width can be expanded as compared with a conventionally known one, for example, a spinner 620 having a flat surface shown in FIG. The fertilizer dropped from the feeding port is lifted while being given a centrifugal force by the shape gradually raised in a bowl shape or a cone shape from the outer edge toward the outer edge, and released from the outer edge of the spinner while drawing a parabola. For this reason, compared with the conventional horizontal spinner, an arrival point becomes far and the dispersion | distribution cloth width becomes wide.
According to the second aspect of the present invention, the fertilizer is held by the channel-shaped standing surface and the upper surface and moves outward because the blade is open in the rotational direction and the tip protrudes from the outer edge of the spinner. And since it discharges | emits from the protruded front-end | tip, the fertilizer which has a predetermined | prescribed weight has a larger centrifugal force than before, and a reaching point becomes large.
Further, in claim 3, since the notch hole is appropriately provided in the standing surface of the blade having the cross-sectional channel shape, a part of the fertilizer that moves while being held in the channel passes through the notch hole, and the fertilizer is centrifuged. The force becomes smaller, the arrival points are dispersed, and the spreading accuracy in the width direction is improved.

以下、本発明の実施形態を図面に基づいて説明する。図1は本発明の実施例を示す肥料散布機の全体斜視図、図2は本発明の実施例を示す肥料散布機の横断面図、図3は同肥料散布機の繰出口及び散布部の上面図、図4は同肥料散布機の繰出口及び散布部の部分断面側面図、図5は同肥料散布機に備えた散布部のスピンナ斜視図、図6はスピンナの作用を示す断面図及び図7は従来のスピンナ作用を示す側面図を示している。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an overall perspective view of a fertilizer spreader showing an embodiment of the present invention, FIG. 2 is a cross-sectional view of the fertilizer spreader showing an embodiment of the present invention, and FIG. FIG. 4 is a partial cross-sectional side view of the outlet and spraying unit of the fertilizer spreader, FIG. 5 is a perspective view of the spinner of the spraying unit provided in the fertilizer spreader, and FIG. 6 is a cross-sectional view illustrating the action of the spinner. FIG. 7 is a side view showing a conventional spinner action.

図1において、全体の構成を説明する。機体フレーム1前方には、トラクタに装着するロアピン11とトップブラケット12があり、肥料散布機はトラクタから駆動力を入力軸30に伝達され駆動する。   In FIG. 1, the overall configuration will be described. In front of the body frame 1, there are a lower pin 11 and a top bracket 12 to be attached to the tractor, and the fertilizer spreader is driven by the driving force transmitted from the tractor to the input shaft 30.

シャッタ開閉装置54は、左右に配置された散布部6に肥料の供給を調節するシャッタをそれぞれ作動させ、肥料ホッパー2に入れた肥料はシャッタを開くと散布部6に供給され散布される。   The shutter opening / closing device 54 operates shutters for adjusting the supply of fertilizer to the spraying units 6 arranged on the left and right sides, and the fertilizer put in the fertilizer hopper 2 is supplied to the spraying unit 6 and sprayed when the shutter is opened.

81はコントロールボックスで、図示されていないがトラクタ座席近傍に配置され、シャッタ開閉装置54を作業者が指示作動させる遠隔操作装置である。メインスイッチ81aをONすると、シャッタ開度制御装置が作動可能となり、開度設定ダイヤル81b,81bでシャッタ開度を設定し、シャッタ開閉スイッチ81cをONにすると設定した開度にシャッタはそれぞれ開かれる。シャッタ開閉スイッチ81cをOFFすると、開度設定ダイヤル81b,81bが開状態であっても、シャッタ板はそれぞれ全閉となる。   Reference numeral 81 denotes a control box, which is a remote control device (not shown), which is disposed near the tractor seat and allows the operator to instruct and operate the shutter opening / closing device 54. When the main switch 81a is turned on, the shutter opening control device can be operated, the shutter opening is set with the opening setting dials 81b and 81b, and the shutter is opened to the set opening when the shutter opening / closing switch 81c is turned on. . When the shutter open / close switch 81c is turned off, the shutter plates are fully closed even when the opening setting dials 81b and 81b are open.

シャッタが閉じているときはシャッタ全閉ランプ81d,81dが、シャッタが設定した開度に開いたときはシャッタ開ランプ81e,81eがそれぞれ点燈する。このシャッタ開閉スイッチ81cを設けることにより、枕地旋回時や肥料の補給時など散布作業を一時中断する場合に、シャッタ開度設定ダイヤル81bを「0」に戻すことなく散布作業を停止することが可能となる。   When the shutter is closed, the shutter fully closed lamps 81d and 81d are turned on, and when the shutter is opened to the set opening degree, the shutter open lamps 81e and 81e are turned on. By providing the shutter opening / closing switch 81c, the spraying operation can be stopped without returning the shutter opening setting dial 81b to “0” when the spraying operation is temporarily interrupted, for example, when the headland turns or when fertilizer is replenished. It becomes possible.

図2から図4において、本発明を実施した肥料散布機の断面図を示し説明する。機体フレーム1と、上方に配設される肥料ホッパー2をホッパーフレーム21で支持し固定する。機体フレーム1内の前方に入力軸30と出力軸31を有した減速機3を配設し、入力軸30の回転力は減速機3内のベベルギヤ3aにより垂直方向へ変換され、平歯車3bにより減速され出力軸31へ伝達される。   2 to 4, a cross-sectional view of a fertilizer spreader embodying the present invention is shown and described. The body frame 1 and the fertilizer hopper 2 disposed above are supported and fixed by a hopper frame 21. A reduction gear 3 having an input shaft 30 and an output shaft 31 is disposed in front of the machine body frame 1, and the rotational force of the input shaft 30 is converted into a vertical direction by a bevel gear 3a in the reduction gear 3, and is converted by a spur gear 3b. Decelerated and transmitted to the output shaft 31.

肥料ホッパー2の底部に配設された底板4に繰出口41を開設し、それにシャッタ板51を摺動するように配置し、シャッタレバー52を回動させ、リンクロット53aとリンクアーム53bおよびシャッタリンク53を介しシャッタ板51を開閉させ、肥料繰出量を調節する。   A feed port 41 is opened in the bottom plate 4 disposed at the bottom of the fertilizer hopper 2, and the shutter plate 51 is slid on the bottom plate 4, and the shutter lever 52 is rotated to link the link lot 53a, the link arm 53b, and the shutter. The shutter plate 51 is opened and closed via the link 53 to adjust the fertilizer feed amount.

54はシャッタ開閉装置で、前記機体フレーム1の前方上部に配置される。シャッタ開閉装置54は、前記シャッタ板51の開閉作動を電気的に行うもので、モータギヤ54aを備えた電動モータMとモータギヤ54aと噛合し、水平方向に軸支されたシャッタギヤプレート54bを有し、このシャッタギヤプレート54bはシャッタレバー52と連動して動き、リンクロット53aとリンクアーム53bおよびシャッタリンク53を介して、シャッタ板51を作動させる。   Reference numeral 54 denotes a shutter opening / closing device, which is disposed at the upper front of the body frame 1. The shutter opening / closing device 54 electrically opens and closes the shutter plate 51, and has an electric motor M provided with a motor gear 54a and a shutter gear plate 54b meshed with the motor gear 54a and supported in the horizontal direction. The shutter gear plate 54b moves in conjunction with the shutter lever 52, and operates the shutter plate 51 through the link lot 53a, the link arm 53b, and the shutter link 53.

8はシャッタ開度制御装置で、前記コントロールボックス81からの指示により、シャッタ開閉装置54を作動させるための制御回路が組み込まれていて、シャッタギヤプレート54bの回動軸にはポテンショメータ82が組み込まれており、シャッタギヤプレート54bの回動量情報をシャッタ開度制御装置8に伝える。   Reference numeral 8 denotes a shutter opening control device, which is incorporated with a control circuit for operating the shutter opening / closing device 54 in accordance with an instruction from the control box 81, and a potentiometer 82 is incorporated on the rotating shaft of the shutter gear plate 54b. The rotation amount information of the shutter gear plate 54b is transmitted to the shutter opening degree control device 8.

肥料繰出口41から繰り出される肥料は、傾斜板61を介し回転する散布部6に落下し散布される。
散布部6は、左右一対に配置されて水平方向に回転するスピンナ62を有する。スピンナ62は縦軸65によって回転される。63の羽根はスピンナ62の上面に配置され、回転する縦軸65から放射方向に向けて着脱自在に、且つ、投てき角度(後退角)調整自在に取り付けられている。羽根63はコ字状チャンネル断面を有し、下面がスピンナ62の上面に当接され回転方向に開放側を向けて固着される。
The fertilizer fed from the fertilizer feed port 41 falls and spreads on the sprinkling unit 6 that rotates via the inclined plate 61.
The spreading unit 6 includes spinners 62 that are arranged in a pair on the left and right and rotate in the horizontal direction. The spinner 62 is rotated by the vertical axis 65. The 63 blades are disposed on the upper surface of the spinner 62, and are detachably attached in a radial direction from the rotating vertical axis 65 and are adjusted so that the throwing angle (retraction angle) can be adjusted. The vane 63 has a U-shaped channel cross section, and its lower surface is in contact with the upper surface of the spinner 62 and is fixed with the open side facing in the rotational direction.

7は混合装置で、回転軸71と回転軸71の中間部に放射状に伸ばした板、放射板72を配設し、回転軸71の上端部に回転軸中心からオフセットした位置により放射方向に突出させて、下方に向け屈曲させた一対のアーム右73とアーム左74を設けている。アーム右73はホッパー底面に近接する部分に配設される混合板75に向けて伸ばし下端で接合し、アーム右74は、前記放射板72の上面に配設した混合板75に向けて伸ばし下端で接合されたものから構成され、出力軸31に嵌挿される。   Reference numeral 7 denotes a mixing device, in which a radially extending plate and a radiation plate 72 are arranged in the middle of the rotating shaft 71 and the rotating shaft 71, and project in the radial direction at a position offset from the rotating shaft center at the upper end of the rotating shaft 71. Thus, a pair of arm right 73 and arm left 74 bent downward are provided. The arm right 73 extends toward the mixing plate 75 disposed near the bottom surface of the hopper and is joined at the lower end, and the arm right 74 extends toward the mixing plate 75 disposed on the upper surface of the radiation plate 72. And is inserted into the output shaft 31.

図5と図6に基づいて散布部6を構成するスピンナ62について詳説する。
縦軸65を中心に回転するスピンナ62は、回転中心から外縁に向けて次第に椀状あるいは円錐状にせり上げた形状を示す。図6はスピンナ62の断面を示したもので、回転するスピンナ62の表面に落下した肥料は遠心力を与えられながらセリ上げられてスピンナ62の外縁から
上方に放物線を描いて放出されるので到達点が遠くなる。
Based on FIG. 5 and FIG. 6, the spinner 62 which comprises the spreading | diffusion part 6 is explained in full detail.
The spinner 62 that rotates about the vertical axis 65 shows a shape that is gradually raised from the center of rotation toward the outer edge in a bowl shape or a conical shape. FIG. 6 shows a cross-section of the spinner 62. The fertilizer that has fallen on the surface of the rotating spinner 62 is lifted while being given centrifugal force, and released from the outer edge of the spinner 62 while drawing a parabola upward. The point gets far away.

図5に示すスピンナ62の上面に設置された断面コ字状でチャンネル状の羽根は、スピンナ62の外縁より突出して設置され、立設面に切欠孔64が設けられている。回転するスピンナ62に落下してくる肥料は外縁へ向けて移動し、一部は羽根63のチャンネル状の内部に移動し、立設面を上面によって抱持されて外縁へ移動し、その突出した先端から放出されるので所定重量の肥料は遠心力が加速されて到達点が遠くなって散布巾が広まる。 The channel-shaped blades having a U-shaped cross section installed on the upper surface of the spinner 62 shown in FIG. 5 are installed so as to protrude from the outer edge of the spinner 62, and a notch hole 64 is provided on the standing surface. The fertilizer falling on the rotating spinner 62 moves toward the outer edge, a part moves to the inside of the channel shape of the blade 63, the standing surface is held by the upper surface, moves to the outer edge, and protrudes Since it is discharged from the tip, the fertilizer of a predetermined weight is accelerated in centrifugal force, and the reaching point becomes far and the spread width is widened.

羽根63の立設面に切欠孔64を設けたのでチャンネル状の羽63内部を抱持移動されながら、一部の肥料は切欠孔64を通過して放出される。
切欠孔64は羽63外縁より回転中心から近い位置にあるので遠心力は小さくなり到達点も短くなり巾方向に対して分散され散布精度が向上する。
Since the cutout hole 64 is provided on the standing surface of the blade 63, a portion of the fertilizer is discharged through the cutout hole 64 while being held and moved inside the channel-shaped blade 63.
Since the cutout holes 64 are located closer to the center of rotation than the outer edges of the wings 63, the centrifugal force is reduced, the arrival point is shortened and dispersed in the width direction to improve the spraying accuracy.

本発明の実施例を示す肥料散布機の全体斜視図Overall perspective view of a fertilizer spreader showing an embodiment of the present invention 本発明の実施例を示す肥料散布機の横断面図Cross section of a fertilizer spreader showing an embodiment of the present invention 同肥料散布機の繰出口及び散布部の上面図Top view of the outlet and spreader of the fertilizer spreader 同肥料散布機の繰出口及び散布部の部分断面側面図Partial cross-sectional side view of the outlet and spreader of the fertilizer spreader 同肥料散布機に備えた散布部のスピンナ斜視図Spinner perspective view of the spraying section of the fertilizer spreader スピンナの作用を示す断面図Sectional view showing the action of the spinner 従来のスピンナ作用を示す側面図Side view showing conventional spinner action

符号の説明Explanation of symbols

1 機体フレーム
11 ロアピン
12 トップブラケット
2 肥料ホッパー
21 ホッパーフレーム
3 減速機
30 入力軸
31 出力軸
3a ベベルギヤ
3b 平歯車
4 底板
41 繰出口
51 シャッタ板
52 シャッタレバー
53 シャッタリンク
53a リンクロット
53b リンクアーム
54 シャッタ開閉装置
54a モータギヤ
54b シャッタギヤプレート
6 散布部
61 傾斜板
62 スピンナ
63 羽根
64 切欠孔
65 縦軸
7 混合装置
71 回転軸
72 放射板
73 アーム右
74 アーム左
75 混合板
8 シャッタ開度制御装置
81 コントロールボックス
81a メインスイッチ
81b シャッタ開度設定ダイヤル
81c シャッタ開閉スイッチ
81d シャッタ全閉ランプ
81e シャッタ開ランプ
82 ポテンショメータ
M 電動モータ
DESCRIPTION OF SYMBOLS 1 Airframe frame 11 Lower pin 12 Top bracket 2 Fertilizer hopper 21 Hopper frame 3 Reducer 30 Input shaft 31 Output shaft 3a Bevel gear 3b Spur gear 4 Bottom plate 41 Exit 51 Shutter plate 52 Shutter lever 53 Shutter link 53a Link lot 53b Link arm 54 Shutter Opening / closing device 54a Motor gear 54b Shutter gear plate 6 Spreading part 61 Inclining plate 62 Spinner 63 Blade 64 Notch hole 65 Vertical axis 7 Mixing device 71 Rotating shaft 72 Radiating plate 73 Arm right 74 Arm left 75 Mixing plate 8 Shutter opening control device 81 Control Box 81a Main switch 81b Shutter opening setting dial 81c Shutter open / close switch 81d Shutter fully closed lamp 81e Shutter open lamp 82 Potentiometer M Electric motor

Claims (1)

肥料ホッパーと、肥料ホッパーの下方には繰り出し口と、繰り出し口には肥料の繰出量を調節するシャッタ板が設けられ、その繰出口の下方には、水平方向に回転するスピンナを有した散布部を配したトラクタに装着する肥料散布機において、前記スピンナには、その上面に立設した羽根を有するとともに、その回転中心から外縁に向けて次第に椀状あるいは円錐状にセリ上げた形状とし、前記羽根は、回転方向に向けて開放した断面チャンネル状で先端がスピンナの外縁より突出しているとともに、羽根の立設面に適宜に切欠孔を設けたことを特徴とした肥料散布機。 A fertilizer hopper, a feed port under the fertilizer hopper, and a shutter plate for adjusting the feed amount of the fertilizer are provided at the feed port, and a spraying unit having a spinner that rotates horizontally below the feed port in manure spreaders for mounting on a tractor which arranged to the spinner, as well as having a blade that is erected on the upper surface thereof, a shape raised parsley like a bowl or a cone gradually toward the outer edge from the center of rotation, the The fertilizer spreader is characterized in that the blade has a cross-sectional channel shape opened in the rotation direction, the tip protrudes from the outer edge of the spinner, and a notch hole is appropriately provided in the standing surface of the blade .
JP2005074715A 2005-03-16 2005-03-16 Fertilizer spreader Active JP4555993B2 (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5763902B2 (en) * 2010-09-29 2015-08-12 川崎重工業株式会社 Bucket wheel device
JP5627020B2 (en) * 2011-07-28 2014-11-19 初田拡撒機株式会社 Sprinklers for sand, fertilizer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57117929U (en) * 1981-01-16 1982-07-22
JPS59156429U (en) * 1983-04-05 1984-10-20 東洋農機株式会社 Spreader
JPH0337817U (en) * 1989-08-21 1991-04-12
JPH0576224A (en) * 1991-09-17 1993-03-30 Hatsuta Kakusanki Kk Fertilizer application machine
JPH09275877A (en) * 1996-04-15 1997-10-28 Yanmar Agricult Equip Co Ltd Applicator mounted on helicopter
JP2002142523A (en) * 2000-11-08 2002-05-21 Star Noki Kk Fertilizer distributor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57117929U (en) * 1981-01-16 1982-07-22
JPS59156429U (en) * 1983-04-05 1984-10-20 東洋農機株式会社 Spreader
JPH0337817U (en) * 1989-08-21 1991-04-12
JPH0576224A (en) * 1991-09-17 1993-03-30 Hatsuta Kakusanki Kk Fertilizer application machine
JPH09275877A (en) * 1996-04-15 1997-10-28 Yanmar Agricult Equip Co Ltd Applicator mounted on helicopter
JP2002142523A (en) * 2000-11-08 2002-05-21 Star Noki Kk Fertilizer distributor

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