JPH0380015A - Harvesting method of leaf tobacco and harvesting device - Google Patents

Harvesting method of leaf tobacco and harvesting device

Info

Publication number
JPH0380015A
JPH0380015A JP21790489A JP21790489A JPH0380015A JP H0380015 A JPH0380015 A JP H0380015A JP 21790489 A JP21790489 A JP 21790489A JP 21790489 A JP21790489 A JP 21790489A JP H0380015 A JPH0380015 A JP H0380015A
Authority
JP
Japan
Prior art keywords
cutter
frame
leaf tobacco
leafstalk
stalk
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
JP21790489A
Other languages
Japanese (ja)
Other versions
JP2681518B2 (en
Inventor
Hiroshi Uno
宇野 宏
Hiroyasu Inada
稲田 博保
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.)
Honda Motor Co Ltd
Original Assignee
Honda Motor 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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP1217904A priority Critical patent/JP2681518B2/en
Publication of JPH0380015A publication Critical patent/JPH0380015A/en
Application granted granted Critical
Publication of JP2681518B2 publication Critical patent/JP2681518B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To harvest leaf tobacco with reducing labor in a low cost without damaging leaf by surrounding stalk of tobacco plant with cutter, applying downward force to leafstalk with lower surface of the cutter and separating the leafstalk from stalk. CONSTITUTION:Stalk of tobacco plant is surrounded by an openable and closable cutter 40 and holder of the cutter 40 is advanced with obliquely moving the cutter 40 to rear and lower direction, then downward force is applied to leafstalk with lower surface of the cutter 40 to separate said leafstalk from stalk, thus leaf tobacco is harvested. Besides, a device, in which cutters 40 having part materials extending to tangential and crossing directions are continuously joined with outer periphery of endless part materials 27 having circulating path of continuing joined arc and line parts and cutter units 20 and 21 wound by said endless part materials 27 are installed on a frame 2 having traveling device 3 with inclining to rear and lower direction, then driving sources driving the cutters 40 to rear direction at about same speed as advancing speed of the frame 2 are installed in the cutter units 20 and 21, is preferably used.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、畑地に栽培されているたばこ草から葉を自動
的に収穫するための方法及び装置に関する。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method and apparatus for automatically harvesting leaves from tobacco plants grown in fields.

(従来の技術) 葉たばこを自動収穫する装置として、従来特開昭46−
3995のものが知られている。この装置は、たばこ草
の茎を案内するためのベルト装置、葉の向きを変えるた
めの吸引ファン、葉を保持して切取るための採葉ベルト
装置や回転カッタ等を必要とするもので、構造が極めて
複雑である。
(Prior art) As a device for automatically harvesting leaf tobacco,
3995 are known. This device requires a belt device to guide the stalks of tobacco plants, a suction fan to change the direction of the leaves, a leaf collecting belt device to hold and cut the leaves, a rotary cutter, etc. The structure is extremely complex.

(発明が解決しようとする課題) 前記の従来技術においては、構造が複雑であるため高価
にならざるを得す、また装置全体が大型、大重量となっ
て狭い農場では取扱い難い不具合がある。したがって、
本発明は、簡単な手段で葉たばこを収穫できる方法及び
装置を得ることを課題とする。
(Problems to be Solved by the Invention) In the above-mentioned conventional technology, the structure is complicated, so it is expensive, and the entire device is large and heavy, making it difficult to handle in a small farm. therefore,
SUMMARY OF THE INVENTION An object of the present invention is to provide a method and apparatus that allow leaf tobacco to be harvested by simple means.

(課題を解決するための手段) 本発明による葉たばこの収穫方法は、たばこ草の茎を開
閉可能のカッタで囲み、該カッタを後下方に向けて斜め
に運動させながらカッタの保持体を前進させ、カッタの
下面で葉柄に下向きの力を加えて該葉柄を茎から分離す
ることを特徴とするものであり、また、葉たばこの収穫
装置は、円弧と直線が連続する循環経路をもつエンドレ
ス部材の外周に、その接線方向及び交差方向にのびる部
分をもっカッタを連続的に連結し、該エンドレス部材を
巻掛けたカッタユニットを走行装置を有するフレームに
後下りに傾斜させて取付け、フレームの前進速度と路間
−の速度でカッタを後方に向けて駆動する駆動源をカッ
タユニットに備えたことを特徴とするものである。
(Means for Solving the Problems) A method for harvesting leaf tobacco according to the present invention involves surrounding the tobacco stem with a cutter that can be opened and closed, and moving the cutter diagonally backward and downward while advancing the holder of the cutter. The leaf tobacco harvesting device is characterized by applying a downward force to the petiole with the lower surface of the cutter to separate the petiole from the stem.The leaf tobacco harvesting device also includes an endless member having a circulation path in which circular arcs and straight lines are continuous. A cutter is continuously connected to the outer periphery with a portion extending in the tangential direction and the cross direction, and the cutter unit around which the endless member is wound is attached to a frame having a traveling device so as to be inclined backwardly, and the forward speed of the frame is adjusted. The cutter unit is characterized in that the cutter unit is equipped with a drive source that drives the cutter backward at a speed of -.

(作 用) たばこ草の茎の側方からカッタを円弧経路に沿って近接
させて該茎を囲み、カッタを後下方へ移動させながらカ
ッタを保持する装置全体を同じ速さで前方に移動させる
と、カッタは、茎に対して前後方向には相対移動せず、
下方にのみ移動する。この下方移動によりカッタ下辺て
葉柄を上から押しつけて該葉柄を茎から分離する。この
後、カッタは茎から離れて茎を開放する。
(Function) A cutter is brought close to the tobacco stem from the side along an arcuate path to surround the stem, and while the cutter is moved backward and downward, the entire device holding the cutter is moved forward at the same speed. , the cutter does not move relative to the stem in the front-back direction,
Move only downwards. This downward movement causes the lower edge of the cutter to press against the petiole from above and separate the petiole from the stem. After this, the cutter separates from the stem and releases it.

(実施例) 以下、図面を参照して本発明の詳細な説明する。(Example) Hereinafter, the present invention will be described in detail with reference to the drawings.

第1図、第2図において1は葉たばこ収穫装置、2は正
面から見て門形をなすフレーム、3は該フレーム2の一
方の脚に連結された走行装置で無限軌道形式をもち、駆
動動力源となるエンジン4は、ミッンヨンケース5と一
体のベツド6上に設置されている。ミッションケース4
には、上向きに変速レバー7とクラッチレバ−8か設け
られて走行装置の制御に用いられる。
In FIGS. 1 and 2, 1 is a leaf tobacco harvesting device, 2 is a frame shaped like a gate when viewed from the front, and 3 is a traveling device connected to one leg of the frame 2, which has an endless track type and has driving power. An engine 4 serving as a power source is installed on a bed 6 that is integrated with a mining case 5. mission case 4
A gear shift lever 7 and a clutch lever 8 are provided upward and are used to control the traveling device.

エンジン4の上部はカバー9で覆われ、フレーム2の他
方の脚には補助車輪10が取付けられ、フレーム下端の
荷台11上にカッタ駆動用のバッテリ12が載置され走
行装置3の後部には変向操作用のハンドル13が固定さ
れている。
The upper part of the engine 4 is covered with a cover 9, an auxiliary wheel 10 is attached to the other leg of the frame 2, a battery 12 for driving the cutter is placed on a loading platform 11 at the lower end of the frame, and a battery 12 for driving the cutter is placed on the rear of the traveling device 3. A handle 13 for direction change operation is fixed.

フレーム2の中間部には、高さ調節可能の一対のビーム
14が固定され、L形のアーム15.1Bを介して一対
のカッタユニット20.21が平行に、かつ45°以内
の傾斜角θで角度調節可能に後下りに固定されている。
A pair of height-adjustable beams 14 are fixed to the middle part of the frame 2, and a pair of cutter units 20.21 are connected in parallel to each other via L-shaped arms 15.1B at an inclination angle θ within 45°. The angle is adjustable and fixed downwards at the rear.

該カッタユニット20と21は、対称形をなしており、
その上面はカバー22.23(第3図)で覆われる。
The cutter units 20 and 21 are symmetrical,
Its upper surface is covered with a cover 22.23 (FIG. 3).

カッタユニット20と21は、第3図に示すように対称
形をなしており、構成部品も対称形に配置されていて部
品の運動も対称的に行なわれる゛。
The cutter units 20 and 21 are symmetrical, as shown in FIG. 3, and the component parts are also arranged symmetrically, so that the movement of the parts is symmetrical.

各ユニットは、アーム15.1Bに固定された基板24
をベースとして組付けられており、その長手方向両端に
被動スプロケット25と原動スプロケット2Bか軸支さ
れ、両スプロケットにチェーン27が巻掛けられている
Each unit has a base plate 24 fixed to the arm 15.1B.
A driven sprocket 25 and a driving sprocket 2B are pivotally supported at both ends in the longitudinal direction, and a chain 27 is wound around both sprockets.

被動スプロケット26は第4図に示すように軸28に固
定され該軸28は、球軸受29、軸受ホルダ30を介し
て支持され、該軸受ホルダ30は座板31ボルト32で
基板24に固定される。一方原動スプロケット26も同
様手段で支持されるが、その軸にギヤ33を有し、モー
タ34の回転軸に設けたピニオン35によって駆動され
る。モータ34には、左右のカッタユニット20と21
のカッタ位置を検出するセンサにより左右のカッタの位
置を同期させる適宜の手段が設けられる。
The driven sprocket 26 is fixed to a shaft 28 as shown in FIG. 4, and the shaft 28 is supported via a ball bearing 29 and a bearing holder 30, and the bearing holder 30 is fixed to the base plate 24 with a seat plate 31 and bolts 32. Ru. On the other hand, the driving sprocket 26 is supported by the same means, but has a gear 33 on its shaft and is driven by a pinion 35 provided on the rotating shaft of the motor 34. The motor 34 has left and right cutter units 20 and 21.
Appropriate means are provided for synchronizing the positions of the left and right cutters using sensors for detecting the cutter positions of the cutters.

茎から葉を収穫するためのカッタ40は、鋼板製で縦辺
40aと横辺4[]bをもつL形をなしており、かつ、
全体の下辺40cが作用部となっている。そして複数の
カッタ40の縦辺40aが直線方向に並べられ、チェー
ン27に接線状態をなすように固定される。チェーン2
7のリンクには、定数ごとに第5図の取付片41aをも
つ取付はリンク41が用いられ、これに第6図(a) 
(b)に示す軸穴42aをもつ軸受板42が固定されて
いる。
The cutter 40 for harvesting leaves from the stem is made of a steel plate and has an L shape with a vertical side 40a and a horizontal side 4[]b, and
The entire lower side 40c serves as an action portion. The vertical sides 40a of the plurality of cutters 40 are arranged in a straight line and fixed to the chain 27 so as to be tangential. chain 2
For link No. 7, the link 41 is used to install the mounting piece 41a shown in FIG. 5 for each constant, and the link 41 shown in FIG.
A bearing plate 42 having a shaft hole 42a shown in (b) is fixed.

カッタ40の背面には上下のブラケット43aと横方向
にのびるばね片43bをもっカッタホルダ43が固定さ
れ、ピン44で前記軸穴42aに枢着され、コイルばね
46で回動力を受けてばね片43bがチェーン27に接
している。したがってカッタ40はピン44を中心とし
て弾力的に若干揺動できるようにチェーン27に取付け
られている。また、チェーン27の対向側の直線部分の
裏面には、第7図に示ずガイドレール47が当接されて
カッタ40.40・・・の直線状態を維持するようにな
っている。
A cutter holder 43 having upper and lower brackets 43a and a spring piece 43b extending laterally is fixed to the back of the cutter 40, and is pivotally attached to the shaft hole 42a with a pin 44, and receives rotational force from a coil spring 46 to spring the spring piece 43b. is in contact with the chain 27. Therefore, the cutter 40 is attached to the chain 27 so as to be able to elastically swing slightly about the pin 44. Further, a guide rail 47 (not shown in FIG. 7) is brought into contact with the back surface of the opposite linear portion of the chain 27 to maintain the linear state of the cutters 40, 40, . . . .

以上により、モータ34を時計方向に駆動すると、ギヤ
35.33を介して原動スプロケット26を反時計方向
に駆動し、チェーン27とカッタ40は同方向に移動し
、カッタユニット20の前部側でカッタ40は■■■の
ように姿勢を変えながら移動し、チェーン27の直線部
分に至ると両ユニット20.21のカッタ40.40は
対向して門形状になり、その姿勢のまま矢印A方向に移
動する。茎S1、Sl・・・が並ぶたばこ草の列をまた
いで、フレーム2を走行装置3によりF方向にチェーン
27の移動速さとほぼ同じ速さで移動させると、カッタ
40.40は、■の位置で茎S1を両側から囲み始め、
全体のF方向への移動により茎S1と同一位置で■と同
一の姿勢になり、茎S1の前方と両側方を横辺40bと
縦辺40aで囲み、茎S1の後方は先行したカッタの横
辺40bで囲まれる。
As described above, when the motor 34 is driven clockwise, the driving sprocket 26 is driven counterclockwise via the gears 35 and 33, and the chain 27 and cutter 40 move in the same direction, and the front side of the cutter unit 20 The cutter 40 moves while changing its posture as shown in ■■■, and when it reaches the straight part of the chain 27, the cutters 40 and 40 of both units 20 and 21 face each other in a gate shape, and remain in that posture in the direction of arrow A. Move to. When the frame 2 is moved in the F direction by the traveling device 3 at almost the same speed as the moving speed of the chain 27, the cutters 40 and 40 move as shown in Start surrounding the stem S1 from both sides at the position,
By moving the entire body in the F direction, it becomes the same position as the stem S1 and the same posture as ■, the front and both sides of the stem S1 are surrounded by the horizontal side 40b and the vertical side 40a, and the rear of the stem S1 is next to the preceding cutter. It is surrounded by the side 40b.

第4図で明らかなように、カッタ40か基板24に対し
て矢印Aに示す後下方に移動し、該基板24を含む装置
全体がF方向に路間−の速さで移動すると、茎S1と該
カッタ40.40との水平方向の相対速度はゼロになり
位置ずれは生じないか、カッタ40に矢印りで示す下向
きの例えばSlと82の間で高さhの移動が生じ、下辺
40cで葉りの葉柄を下に押して切断し、図外の収集装
置上に落す。葉りが側方にのびている場合は縦辺40a
で切断され、前後方向にのびている場合は横辺40bで
切断される。装置のF方向の進行に伴い、茎S1とカッ
タユニット20.21の相対位置はSl、S3に示すよ
うに変化して最後に茎はカッタ40から解放される。上
記の収集装置は、カッタユニット20.21の下方で左
右外方に延設され、葉をベルトコンベア等で外側へ運搬
収集する。
As is clear from FIG. 4, when the cutter 40 moves backward and downward as shown by the arrow A with respect to the substrate 24, and the entire apparatus including the substrate 24 moves in the direction F at a speed of -1, the stem S1 The relative velocity in the horizontal direction between the cutter 40 and the cutter 40.40 becomes zero and no positional deviation occurs, or the cutter 40 moves downward by a height h, as indicated by the arrow, for example, between Sl and 82, and the lower side 40c Press down on the petiole of the leaf to cut it and drop it onto a collecting device (not shown). If the leaves extend laterally, the vertical side is 40a.
If it extends in the front-rear direction, it is cut at the horizontal side 40b. As the device advances in the F direction, the relative positions of the stem S1 and the cutter unit 20.21 change as shown in Sl and S3, and finally the stem is released from the cutter 40. The above-mentioned collecting device extends outward from the left and right below the cutter unit 20.21, and conveys and collects leaves to the outside using a belt conveyor or the like.

茎から収穫される葉の範囲は、カッタユニットの取付は
高さや傾斜角θを調節することにより任意に調節するこ
とができる。チェーンtの速度は、傾斜角θに応じて調
整するのが好ましく、該速度は走行速度の1/cosθ
とされる。
The range of leaves to be harvested from the stem can be arbitrarily adjusted by adjusting the mounting height and inclination angle θ of the cutter unit. The speed of the chain t is preferably adjusted according to the inclination angle θ, and the speed is 1/cos θ of the running speed.
It is said that

前記実施例は、カッタ40がL形に構成されているが、
これと異なる形状、例えばC形にしてもよく、また二つ
の横辺40bが対向する代りに、前後に僅かに喰い違わ
せてオーバラップするようにしてもよいし、一方のカッ
タを直線刃にして他方のカッタのみをL形にしてその横
辺を該直線刃の側面に接するようにすることもできる。
In the above embodiment, the cutter 40 is configured in an L shape, but
A different shape may be used, for example, a C-shape, and instead of the two horizontal sides 40b facing each other, they may be overlapped with a slight difference in the front and back, or one cutter may have a straight blade. It is also possible to make only the other cutter L-shaped so that its lateral side touches the side surface of the straight blade.

このように一方のカッタに直線刃を用いる形式にすれば
、左右のカッタユニットを同期駆動させる必要がなくな
る。
If one cutter uses a straight blade in this way, there is no need to drive the left and right cutter units synchronously.

更に、カッタの一方を一本の直線刃又はガイド板で構成
してカッタユニット又はフレームに固定し、他方のカッ
タのみをL形等にして駆動する形式とし、該直線刃又は
ガイド板の前方にこれと一体又は別体に茎のガイドを必
要に応じて設ける構成とすることもできる。この場合は
、直線刃又はガイド板側では葉柄に対して前方に摺動し
ながら下向きの力を働かせて押し切りか行なわれる。
Furthermore, one of the cutters is configured with one straight blade or a guide plate and is fixed to a cutter unit or frame, and only the other cutter is made into an L shape or the like and driven, and a cutter is provided in front of the straight blade or guide plate. It is also possible to provide a guide for the stem as required, either integrally with this or separately. In this case, the straight blade or guide plate side slides forward against the petiole while exerting downward force to perform push-cutting.

以上の下辺40cで押し切るカッタに代えて、葉柄を単
に押すことにより茎の付は根でもぎ取る形式にしてもよ
く、この場合はカッタとして厚みのあるプラスチック材
や堅いゴム又は鋼材を用いることができる。
Instead of using a cutter that presses on the lower side 40c, the stem attachment may be pulled off by the root by simply pressing the petiole. In this case, a thick plastic material, hard rubber, or steel material can be used as the cutter. .

また、チェーン27に代えて歯付きベルトや平ベルト等
のエンドレス部材を用いることができるが、平ベルトと
図示のカッタ40を用いる場合は特に左右のカッタの位
置を検出するセンサを用いてモータを制御し、左右のカ
ッタを同期させる必要がある。
In addition, an endless member such as a toothed belt or a flat belt can be used in place of the chain 27, but when using a flat belt and the cutter 40 shown in the figure, the motor is controlled by using sensors that detect the positions of the left and right cutters. It is necessary to control and synchronize the left and right cutters.

(発明の効果) 本発明の方法によれば、カッタを保持する装置の前進運
動を利用してこれにカッタの後下方への運動を重畳させ
ながら、カッタに定位置で連続的に下向きの運動を生じ
させることができ、簡単な手段で脱葉することができる
(Effects of the Invention) According to the method of the present invention, the forward movement of the device that holds the cutter is used to superimpose the backward and downward movement of the cutter, and the cutter is continuously moved downward at a fixed position. can be produced and the leaves can be removed by simple means.

また、本発明の装置によれば、走行機構と一対のエンド
レス部材を駆動する簡単な機構を用いるだけで所望の範
囲の葉を自動的に脱葉することができるから、低コスト
で構成することができ、かつ収穫時の労力が軽減される
効果を有する。しかも、作業時にカッタ、カッタユニッ
ト等が葉に接触しないので葉をいためる不具合がない利
点を有する。
Further, according to the device of the present invention, leaves in a desired range can be automatically removed by simply using a simple mechanism that drives a traveling mechanism and a pair of endless members, so it can be constructed at low cost. It has the effect of reducing labor during harvesting. Moreover, since the cutter, cutter unit, etc. do not come into contact with the leaves during operation, there is no problem of damaging the leaves.

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

第1図は本発明を実施する装置の正面図、第2図は側面
図、第3図はカッタユニットの平面図、第4図は側面図
、第5図はチェーンの正面図、第6図(a) (b)は
軸受板の平面図及び正面図、第7図はガイドレールの側
面図である。 2・・・フレーム 3・・・走行装置 20.21・・・カッタユニット 27・・・チェーン(エンドレス部材)40・・・カッ
タ 1 ] 47・・・ガイドレ ル 第7図 27
Fig. 1 is a front view of a device implementing the present invention, Fig. 2 is a side view, Fig. 3 is a plan view of the cutter unit, Fig. 4 is a side view, Fig. 5 is a front view of the chain, Fig. 6 (a) and (b) are a plan view and a front view of the bearing plate, and FIG. 7 is a side view of the guide rail. 2...Frame 3...Traveling device 20.21...Cutter unit 27...Chain (endless member) 40...Cutter 1] 47...Guide rail Fig. 7 27

Claims (1)

【特許請求の範囲】 1、たばこ草の茎を開閉可能のカッタで囲み、該カッタ
を後下方に向けて斜めに運動させながらカッタの保持体
を前進させ、カッタの下面で葉柄に下向きの力を加えて
該葉柄を茎から分離することを特徴とする、葉たばこの
収穫方法。 2、円弧と直線が連続する循環経路をもつエンドレス部
材の外周に、その接線方向及び交差方向にのびる部分を
もつカッタを連続的に連結し、該エンドレス部材を巻掛
けたカッタユニットを走行装置を有するフレームに後下
りに傾斜させて取付け、フレームの前進速度と略同一の
速度でカッタを後方に向けて駆動する駆動源をカッタユ
ニットに備えたことを特徴とする、葉たばこの収穫装置
。 3、エンドレス部材の直線経路の内側にガイドレールを
当接させたことを特徴とする、請求項2記載の葉たばこ
の収穫装置。
[Claims] 1. Surround the stems of tobacco plants with a cutter that can be opened and closed, move the cutter obliquely backward and downward while advancing the cutter holder, and apply a downward force to the petiole with the lower surface of the cutter. 1. A method for harvesting leaf tobacco, the method comprising: adding a compound to separate the petioles from the stems. 2. A cutter having a portion extending in the tangential direction and the cross direction is continuously connected to the outer periphery of an endless member having a circulation path in which circular arcs and straight lines are continuous, and the cutter unit around which the endless member is wound is moved by a traveling device. 1. A leaf tobacco harvesting device, characterized in that the cutter unit is equipped with a drive source that is attached to a frame with a frame tilted backward downward and drives the cutter backward at substantially the same speed as the forward speed of the frame. 3. The leaf tobacco harvesting device according to claim 2, characterized in that a guide rail is brought into contact with the inside of the linear path of the endless member.
JP1217904A 1989-08-24 1989-08-24 Leaf tobacco harvesting equipment Expired - Fee Related JP2681518B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1217904A JP2681518B2 (en) 1989-08-24 1989-08-24 Leaf tobacco harvesting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1217904A JP2681518B2 (en) 1989-08-24 1989-08-24 Leaf tobacco harvesting equipment

Publications (2)

Publication Number Publication Date
JPH0380015A true JPH0380015A (en) 1991-04-04
JP2681518B2 JP2681518B2 (en) 1997-11-26

Family

ID=16711578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1217904A Expired - Fee Related JP2681518B2 (en) 1989-08-24 1989-08-24 Leaf tobacco harvesting equipment

Country Status (1)

Country Link
JP (1) JP2681518B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402804A (en) * 1992-02-06 1995-04-04 Japan Tobacco, Inc. Tobacco harverter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51104958U (en) * 1975-02-21 1976-08-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51104958U (en) * 1975-02-21 1976-08-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402804A (en) * 1992-02-06 1995-04-04 Japan Tobacco, Inc. Tobacco harverter
US5499635A (en) * 1992-02-06 1996-03-19 Japan Tobacco Inc. Tobacco harvester

Also Published As

Publication number Publication date
JP2681518B2 (en) 1997-11-26

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