JP3102016B2 - Transplant machine - Google Patents
Transplant machineInfo
- Publication number
- JP3102016B2 JP3102016B2 JP02169345A JP16934590A JP3102016B2 JP 3102016 B2 JP3102016 B2 JP 3102016B2 JP 02169345 A JP02169345 A JP 02169345A JP 16934590 A JP16934590 A JP 16934590A JP 3102016 B2 JP3102016 B2 JP 3102016B2
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- JP
- Japan
- Prior art keywords
- inter
- stock
- shaft
- transplanting
- denotes
- 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.)
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Description
【発明の詳細な説明】 〔発明の属する技術分野〕 この発明は、株間変速切換装置を装備した野菜移植機
等の移植機において、傾斜地等で苗移植作業をする際
に、苗の株間を補正する装置を設けた移植機に関するも
のである。Description: TECHNICAL FIELD [0001] The present invention relates to a transplanting machine such as a vegetable transplanting machine equipped with an inter-variable speed changeover device, which compensates for a gap between seedlings when transplanting seedlings on a slope or the like. The present invention relates to an implanting machine provided with a device for performing the above-described steps.
従来、野菜移植機においては、栽培する作物の種類に
応じて適正な株間で苗が移植されるよう株間変速切換装
置を備えていた。2. Description of the Related Art Conventionally, vegetable transplanters have been provided with inter-gear speed changeover devices so that seedlings can be transplanted between appropriate strains according to the type of crop to be cultivated.
野菜移植機では、例えば、傾斜地で移植作業を行う場
合に、登り行程で車輪のスリップが増大して株間変速切
換装置で設定した株間よりも実際の株間が小さくなるな
ど、走行装置のスリップ率の変動により設定した株間と
実際の株間との差が生じる問題があった。In the vegetable transplanter, for example, when transplanting work on a slope, the slip of the wheels increases during the climbing process and the actual inter-strain becomes smaller than the inter-strain set by the inter-stock speed changeover device. There is a problem that a difference between the set stock and the actual stock occurs due to the fluctuation.
この発明は、上記問題点を解決するために、走行装置
側への動力伝達回転速に対する移植装置側への動力伝達
回転速の比率を変更する株間変速切換装置36を設けた移
植機において、前記株間変速切換装置36により設定した
株間と実際の株間との差を修正するよう移植装置側への
動力伝達回転速を補正変更する株間補正装置30を設けた
ことを特徴とする移植機とした。In order to solve the above problems, the present invention relates to a transplanting machine provided with an inter-stock speed changeover device 36 for changing the ratio of the power transmitting rotational speed to the transplanting device side to the power transmitting rotational speed to the traveling device side. The transplanting machine is provided with an inter-strain correction device 30 that corrects and changes the power transmission rotational speed to the transplant device so as to correct the difference between the stock and the actual stock set by the inter-stock transmission switching device 36.
この発明によると、例えば、傾斜地で移植作業を行う
場合に、登り行程で車輪のスリップが増大して株間変速
切換装置36で設定した株間よりも実際の株間が小さくな
るときに株間補正装置30で適正に修正でき、よって、走
行装置のスリップ率の変動により設定した株間と実際の
株間との差を適正に修正できて、良好な移植作業が行え
る。According to the present invention, for example, when transplanting work is performed on a slope, when the slip between the wheels increases during the climbing process and the actual inter-strain becomes smaller than the inter-stock inter-change switching device 36, the inter-stock correction device 30 is used. Correction can be made appropriately, and therefore, the difference between the set stock and the actual stock can be properly corrected due to the change in the slip ratio of the traveling device, and a good transplant operation can be performed.
この発明の一実施例を図面に基づいて詳細に説明する
と、１はフレームで、前部にエンジン２に直結型のミッ
ションケース３を取り付け、後部に移植具４を備えたダ
ブル回転ケース5,6を装着する移植伝動ケース７を取付
けている。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described in detail with reference to the drawings. Reference numeral 1 denotes a frame. Is mounted.
８は走行車輪で、前記ミッションケース３の左右両側
に回動自在に装着されたチエンケース9,9の先端側外側
に軸装されていて、このチエンケースは油圧装置10で昇
降作動されるように構成されている。Numeral 8 denotes running wheels, which are mounted on the outer sides of the front ends of chain cases 9, 9 rotatably mounted on the left and right sides of the transmission case 3. The chain case is operated by a hydraulic device 10 to move up and down. Is configured.
11は転動車輪で、前記走行車輪８の後部にあってフレ
ーム側からアームを介して上下回動自在に取付けられ、
前記走行車輪８の昇降動に追随して上下されるように前
記油圧装置10に連動されている。11 is a rolling wheel, which is mounted on the rear part of the running wheel 8 so as to be vertically rotatable via an arm from the frame side,
It is interlocked with the hydraulic device 10 so as to move up and down following the vertical movement of the running wheel 8.
12は苗載台で、前記フレーム上に配設され、左右方向
に往復作動されるようフレーム１に支持されている。そ
して、前記移植伝動ケース７側の基部近くに設けられた
左右往復機構13に連設されている。Numeral 12 denotes a seedling mounting table, which is disposed on the frame and supported by the frame 1 so as to reciprocate in the left-right direction. It is connected to a left-right reciprocating mechanism 13 provided near the base on the transplant transmission case 7 side.
14は畝Ａの高さを検出する検出体であって、前記油圧
装置10の制御バルブ15に連設されており、畝Ａの高さに
応じて走行車輪８及び転動車輪11が自動的に昇降動され
るように構成されている。Reference numeral 14 denotes a detector for detecting the height of the ridge A, which is connected to the control valve 15 of the hydraulic device 10 so that the traveling wheels 8 and the rolling wheels 11 are automatically operated according to the height of the ridge A. It is configured to be moved up and down.
16は操縦ハンドルで、前記移植伝動ケース７に基部が
固着されて後方上部に突出する操縦枠17に取付けられて
いる。Reference numeral 16 denotes a control handle, which is attached to a control frame 17 whose base is fixed to the transplant transmission case 7 and protrudes upward and rearward.
18は移植位置を押さえる押さえ輪を示す。 Reference numeral 18 denotes a holding ring for holding the implantation position.
以上の通り構成された移植機における伝動機構を説明
すると、エンジン２から遠心クラッチ機構21を介して駆
動される軸22から一組の減速歯車を介してウオーム歯車
23を駆動し、このウオーム歯車23に噛み合うウオームホ
イル歯車24の取り付け筒軸25とこの筒軸内を通過して左
右に延びる走行駆動軸26との間に走行クラッチ27を設け
て、前記走行車輪8,8側を駆動するよう構成している。The transmission mechanism in the transplanter configured as described above will be described. A worm gear is transmitted from a shaft 22 driven from the engine 2 via a centrifugal clutch mechanism 21 via a set of reduction gears.
23, a traveling clutch 27 is provided between a mounting cylinder shaft 25 of a worm wheel gear 24 meshing with the worm gear 23 and a traveling drive shaft 26 extending right and left through the cylindrical shaft. It is configured to drive the 8 and 8 sides.
一方、前記筒軸25から中間軸28を一組の増速歯車を介
して伝動ならしめ、この中間軸28と移植部側を伝動する
移植側駆動軸29との間に株間補正装置30を介装してい
る。即ち、株間補正装置30は、中間軸28に固着の大径歯
車31と小径歯車32を設け、この大、小径歯車31、32に選
択して噛みあわせるようにシフター35で軸方向に作動で
きる小径歯車33と大径歯車34とを移植側駆動軸29に取付
けている。On the other hand, the intermediate shaft 28 is transmitted from the cylindrical shaft 25 via a set of speed increasing gears, and an inter-strain correction device 30 is interposed between the intermediate shaft 28 and the transplant drive shaft 29 transmitting on the transplant portion side. I am wearing it. That is, the stock correction device 30 is provided with a large-diameter gear 31 and a small-diameter gear 32 fixed to an intermediate shaft 28, and a small-diameter operable in the axial direction by a shifter 35 so as to selectively mesh with the large- and small-diameter gears 31, 32. The gear 33 and the large-diameter gear 34 are attached to the transplant drive shaft 29.
36は株間変速切換装置で、この入力筒軸37は、前記移
植側駆動軸29からスプロケット38、39及びチエン40を介
して駆動される構造になっており、この入力筒軸37に一
連の小径歯車42と大径歯車43とが設けられ、苗載台12と
移植具側とを駆動する出力軸44に前記小、大歯車42、43
にシフター41によって選択して噛み合う大径歯車45、小
径歯車46を回転自在に遊嵌ならしめ、この大径歯車45と
出力軸44との間にクラッチ47を設けている。また、前記
筒軸37を貫通する軸48と出力軸44との間には一組の伝動
歯車が設けられ、この軸48には前記苗載台12の底面に張
設された苗縦送りベルトを苗載台が左右横端に移動した
とき駆動するカム機構を設けている。Reference numeral 36 denotes an inter-stock speed changeover device. The input cylinder shaft 37 is configured to be driven from the transplant drive shaft 29 via sprockets 38, 39 and a chain 40. A gear 42 and a large-diameter gear 43 are provided, and the small and large gears 42 and 43 are attached to an output shaft 44 that drives the seedling mounting table 12 and the implanting tool side.
A large-diameter gear 45 and a small-diameter gear 46, which are selectively meshed by the shifter 41, are freely rotatably fitted. A clutch 47 is provided between the large-diameter gear 45 and the output shaft 44. A set of transmission gears is provided between a shaft 48 that penetrates the cylindrical shaft 37 and the output shaft 44, and the shaft 48 is provided with a seedling vertical feed belt stretched on the bottom surface of the seedling mounting table 12. A cam mechanism that drives when the seedling table is moved to the left and right lateral ends is provided.
49は苗載台12の左右往復機構13を駆動するスプロケッ
ト、50は苗移植装置側を駆動するスプロケットを示す。Reference numeral 49 denotes a sprocket that drives the left-right reciprocating mechanism 13 of the seedling mounting table 12, and 50 denotes a sprocket that drives the seedling transplanter side.
51は前記株間補正装置30のシフター35にワイヤを介し
て連動された切換レバーであり、操縦位置近くにあって
作業中に簡単に切り換えができるように構成されてい
る。Reference numeral 51 denotes a switching lever interlocked with the shifter 35 of the inter-stock correction device 30 via a wire, which is located near the operation position and can be easily switched during operation.
52は前記株間変速切換装置36の切換レバーを示す。 Reference numeral 52 denotes a switching lever of the inter-stock transmission switching device 36.
上例の作用について説明すると、左右の走行車輪8,8
及び転動車輪11,11が畝Ａを跨いで推進する状態にし、
検出体14が畝Ａの上面に接地するよう油圧装置10を手元
の油圧操作レバー53で操作して走行車輪８及び転動車輪
11を上昇させ機体を下降する。そして、該検出体14が適
正な接地圧になると機体の下降が自動停止する。この状
態で苗載台12に苗を搭載して機体を推進させながら移植
部側を移植クラッチ操作レバー54を操作して伝動し、移
植作業を行う。即ち、移植具４が上下に大きく楕円運動
して苗載台12から苗を分割して畝Ａの上に順次移植す
る。The operation of the above example will be described.
And the rolling wheels 11, 11 are propelled across the ridge A,
The traveling wheel 8 and the rolling wheel are operated by operating the hydraulic device 10 with the hydraulic operating lever 53 at hand so that the detection body 14 is in contact with the upper surface of the ridge A.
Raise 11 and lower the aircraft. Then, when the detection body 14 reaches a proper ground pressure, the lowering of the body automatically stops. In this state, while the seedling is mounted on the seedling mounting table 12 and the airframe is propelled, the transplanting part side is operated by operating the transplanting clutch operation lever 54 to perform the transplanting operation. That is, the transplanting tool 4 makes large elliptical movements up and down to divide the seedlings from the seedling mounting table 12 and transplant them sequentially on the ridges A.
このとき、移植株間１は走行速度に対する移植具４の
作動速度で決定されるから、株間変速切換装置36の切換
レバー52を操作して決定する。そして、実施例の場合で
は株間補正装置30の操作レバー51は普通株間が狭くなる
側、即ち歯車31と歯車33とが噛み合い移植具４側の回転
作動が速くなるように設定しておく。At this time, since the interplant strain 1 is determined by the operating speed of the implanting tool 4 with respect to the running speed, the switching lever 52 of the interstock speed changeover switching device 36 is operated to determine. In the case of the embodiment, the operating lever 51 of the inter-stock correction device 30 is set so that the common stock is narrowed, that is, the gear 31 and the gear 33 are engaged with each other so that the rotation operation on the implant 4 side is accelerated.
そして、山間地で登り方向の移植作業と折り返して下
り方向の移植作業をする場合には、登り行程の移植作業
に際しては、株間補正装置30の操作レバー51を操作して
株間が広がるように歯車32と歯車34とを噛み合せる。す
ると、登り行程では走行車輪8,8のスリップが大きくな
るから実質的には株間が広がらずに変動せず、登り行程
作業であるにも拘らず株間が縮小せずに希望に近い株間
で移植できる。また、折り返して下り作業行程になると
きには操作レバー51を操作して株間を縮小するよう歯車
31と歯車33とを噛み合せるとよい。And, when transplanting in the ascending direction and returning in the descending direction in mountainous areas, when transplanting in the ascending process, the operating lever 51 of the inter-strain correction device 30 is operated so that the gears are expanded so as to spread the inter-stock. The gear 32 and the gear 34 are engaged. Then, during the climbing process, the slip of the running wheels 8, 8 becomes large, so the stocks do not substantially spread and do not fluctuate. it can. Also, when returning to the downstroke process, the operating lever 51 is operated so that the gears are reduced so as to reduce the distance between the stocks.
It is good to mesh the gear 31 with the gear 33.
尚、実施例では、手元で該株間補正装置30を切り換え
できるように操作レバー51を設けたが、手元近くにおい
ても切り換えを忘れることがあると株間が登り作業行程
と下り作業行程とで大きく変動することは当然の帰結で
ある。In the embodiment, the operating lever 51 is provided so that the inter-stock correction device 30 can be switched at hand. However, if the switching is forgotten near the hand, the stock greatly fluctuates between the ascending work process and the descending work process. Doing is a natural consequence.
このような不具合いを無くするためには、折り返し時
に必ず操作が必要な操作具あるいは操作レバーに前記の
株間補正装置30の切換具を連動すると防止できる。In order to eliminate such inconvenience, it is possible to prevent the switching tool of the inter-stock correction device 30 from interlocking with an operating tool or an operating lever which must be operated at the time of turning back.
例えば、油圧操作レバー53は、移植機を畝Ａの移植終
端になると必ず機体を上昇させて旋回し、その後に機体
を下降させる操作をするものである。For example, the hydraulic operating lever 53 is used for raising and rotating the machine every time the transplanting machine reaches the end of transplantation of the ridge A, and thereafter performing operation of lowering the machine.
したがって、第３図及び第４図で示す実施例のように
前記株間補正装置30の切換シフター35をソレノイド55で
切換える構成となし、このソレノイド55の励磁、開放を
させる切換スイッチ56を油圧操作レバー53で行う構成と
なし、この切換スイッチ56が油圧操作レバー53の２行程
操作でスイッチ「入」になるような構成になっている。
即ち、油圧操作レバー53を移植状態の「下げ」から「上
げ」にして再び移植状態の「下げ」の１行程ではスイッ
チ56が「切」になり、次の同じ１行程で「入」になる構
成にする。57はバッテリ、59,60は登り作業及び下り作
業の表示をするランプを示す。Therefore, as in the embodiment shown in FIGS. 3 and 4, the switching shifter 35 of the inter-stock correction device 30 is switched by the solenoid 55, and the switching switch 56 for exciting and releasing the solenoid 55 is operated by a hydraulic operating lever. The configuration is such that the changeover switch 56 is turned on by a two-stroke operation of the hydraulic operation lever 53 without performing the configuration by 53.
That is, the switch 56 is turned off in one stroke of "lower" in the transplanted state after the hydraulic operating lever 53 is changed from "lower" in the transplanted state to "up" in the transplanted state, and turned "on" in the next same stroke. Configure. Reference numeral 57 denotes a battery, and reference numerals 59 and 60 denote lamps for displaying climbing work and descending work.
更に、切換えを自動化する場合には、第５図及び第６
図で示す通り、ソレノイド55を制御させるスイッチ56a
を傾斜検出器の一実施例である振り子センサー61で切換
えて登り移植作業時では株間が拡大する側に、下り移植
作業時では株間が縮小する側に切り換わるようにすれば
よい。Further, in the case where the switching is automated, FIGS.
As shown in the figure, a switch 56a for controlling the solenoid 55
May be switched by the pendulum sensor 61, which is an embodiment of the tilt detector, to switch to the side where the distance between the strains expands during the uphill transplanting operation and to the side where the distance between the strains decreases during the downward transplanting work.
移植作業は、必ずしも畝Ａに移植する場合とは限ら
ず、平畑に移植させることも多い。このような場合の移
植機は次の折り返し作業行程時の条間を正確にさせるた
めに圃場面に返り作業行程の進路の目安になる筋付けを
することが必要になる。この場合、移植機の機体に筋付
けマーカーを取付けることになるが、野菜移植機では作
物の種類によって条間を変更する場合が多く、したがっ
て走行車輪8,8の車輪間隔Ｔを変更しなければならない
事態になる。このとき、単に機体にマーカを取付けたも
のでは、車輪間隔調節とマーカ長さ調節の両方を格別に
しなければならず、また、車輪間隔に合わして正確にマ
ーカ調節が必要なことから、その操作が極めて面倒であ
る。このような場合に、第７図で示した通り、車輪間隔
調節とマーカ調節とが同時に行える構成にすると極めて
便利になる。The transplanting operation is not always limited to transplanting to the ridge A, and is often performed to a flat field. In such a case, it is necessary for the transplanter to return to the field scene and make creases that serve as a guide for the course of the work process in order to make the gap at the next turn work process accurate. In this case, a creasing marker is attached to the body of the transplanting machine. However, in the vegetable transplanting machine, the streak is often changed depending on the kind of the crop, and therefore, the wheel interval T of the traveling wheels 8, 8 must be changed. It will not be a situation. At this time, if the marker is simply attached to the fuselage, both the adjustment of the wheel spacing and the adjustment of the marker length must be specially performed, and the marker adjustment must be performed accurately according to the wheel spacing. Is very troublesome. In such a case, as shown in FIG. 7, it is extremely convenient to adopt a configuration in which the wheel interval adjustment and the marker adjustment can be performed simultaneously.
第７図の構成について説明すると、チエンケース9a,9
bの基部側はスプライン駆動軸62に回動自在に遊嵌され
ていて内装されるスプロケットはスプライン係合してい
て該軸62と一体回転する構造になっている。そして、ミ
ッションケース３側と前記スプライン駆動軸62の先端側
に一体の軸62aに嵌合されたメタル63から突出するアー
ム64との間には右螺子軸65と左螺子軸66とを連結螺合さ
せる螺子筒67を設けてターンバックル構成となし、この
ターンバックスの螺子筒67で前記チエンケース9a,9bを
係合するよう構成している。そして、この螺子筒67とチ
エンケース9a,9bに固着のブラケットに軸受されてレバ
ー68で回転させる軸69との間に一組の傘歯車を設け、こ
のレバー68の正、逆回転操作で右螺子軸65と螺子筒67と
の関係でチエンケース9a,9bを内側あるいは外側へ移動
させることになるが、一方螺子筒67と左螺子軸66との螺
合によって螺子筒67の移動と同時に当該螺子筒67が回転
されるために左螺子軸66もチエンケース9a,9bの移動方
向と同じ方向へ移動されるから都合、左螺子軸66は２倍
の寸法だけ移動されることになる。The configuration of FIG. 7 will be described.
The base side of b is rotatably and loosely fitted to the spline drive shaft 62, and the internal sprocket is engaged with the spline and is configured to rotate integrally with the shaft 62. A right screw shaft 65 and a left screw shaft 66 are connected between the transmission case 3 side and an arm 64 protruding from a metal 63 fitted to a shaft 62a integral with the end of the spline drive shaft 62. A turnbuckle structure is provided by providing a screw cylinder 67 to be combined, and the chain case 9a, 9b is configured to be engaged with the screw cylinder 67 of the turnbucks. A set of bevel gears is provided between the screw cylinder 67 and a shaft 69 which is supported by a bracket fixed to the chain case 9a, 9b and is rotated by a lever 68. The chain case 9a, 9b is moved inward or outward due to the relationship between the screw shaft 65 and the screw tube 67, but the screw case 67 and the left screw shaft 66 are screwed together with the movement of the screw tube 67 at the same time. Since the screw cylinder 67 is rotated, the left screw shaft 66 is also moved in the same direction as the movement direction of the chain case 9a, 9b, so that the left screw shaft 66 is moved by twice the size.
したがってこの左螺子軸66にマーカ70を装着しておく
と、車輪間隔Ｔを変更すれば自動的にマーカ70の作用位
置が変更した移植条間に見合う位置を筋付けすることに
なる。Therefore, when the marker 70 is mounted on the left screw shaft 66, if the wheel interval T is changed, the position where the marker 70 operates is automatically creased at a position corresponding to the changed transplantation line.
71はマーカ70の上下操作レバーを示す。 Reference numeral 71 denotes an up / down operation lever of the marker 70.
72はミッションケース３の駆動軸62を包むケース部に
回動自在に枢着のメタル73に固着のレバーで、これを油
圧装置10に連動させており、該メタル73に固着のフラン
ジに前記右螺子軸65を固着し、これを介して車輪を昇降
作動するように構成している。Reference numeral 72 denotes a lever fixedly attached to a metal 73 rotatably pivotally attached to a case portion surrounding the drive shaft 62 of the transmission case 3 and is linked to the hydraulic device 10. The screw shaft 65 is fixed, and the wheels are moved up and down via the screw shaft 65.
図は、この発明の一実施例を示したもので、第１図は側
面図、第２図は伝動機構図、第３図は別例の切換え制御
機構図、第４図は要部の側面図、第５図は更に別例の切
換え制御機構図、第６図は要部の側面図、第７図は別実
施例の要部の一部断面した背面図を示す。 図中の記号 30は株間補正装置、36は株間変速切換装置を示す。Fig. 1 shows an embodiment of the present invention. Fig. 1 is a side view, Fig. 2 is a transmission mechanism diagram, Fig. 3 is another switching control mechanism diagram, and Fig. 4 is a side view of a main part. FIG. 5 is a diagram of a switching control mechanism of still another example, FIG. 6 is a side view of a main part, and FIG. 7 is a rear view of a main part of another embodiment with a partial cross section. In the figure, reference numeral 30 denotes an inter-stock correction device, and reference numeral 36 denotes an inter-stock speed changeover device.
Claims (1)
植装置側への動力伝達回転速の比率を変更する株間変速
切換装置36を設けた移植機において、前記株間変速切換
装置36により設定した株間と実際の株間との差を修正す
るよう移植装置側への動力伝達回転速を補正変更する株
間補正装置30を設けたことを特徴とする移植機。1. An implanting machine provided with an inter-stock speed changeover device 36 for changing the ratio of the power transmission speed to the transplant device to the power transmission speed to the traveling device side. A transplanting machine comprising an inter-strain correction device 30 that corrects and changes the power transmission rotational speed to the transplant device so as to correct the difference between the strains and the actual strain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02169345A JP3102016B2 (en) | 1990-06-26 | 1990-06-26 | Transplant machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02169345A JP3102016B2 (en) | 1990-06-26 | 1990-06-26 | Transplant machine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000146646A Division JP3312620B2 (en) | 1990-06-26 | 2000-05-18 | Transplant machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0458810A JPH0458810A (en) | 1992-02-25 |
| JP3102016B2 true JP3102016B2 (en) | 2000-10-23 |
Family
ID=15884844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02169345A Expired - Fee Related JP3102016B2 (en) | 1990-06-26 | 1990-06-26 | Transplant machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3102016B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7785695B2 (en) | 2003-10-20 | 2010-08-31 | Ibiden Co., Ltd. | Honeycomb structured body |
| US8062603B2 (en) | 2003-06-23 | 2011-11-22 | Ibiden Co., Ltd. | Honeycomb structural body |
| US8246710B2 (en) | 2003-06-05 | 2012-08-21 | Ibiden Co., Ltd. | Honeycomb structural body |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5500777A (en) * | 1993-05-19 | 1996-03-19 | Matsushita Electric Industrial Co., Ltd. | Magnetic head drive which uses independently controlled piezo-electric elements |
| JP2009060845A (en) * | 2007-09-06 | 2009-03-26 | Kubota Corp | Transplanter |
| CN108781635A (en) * | 2017-04-26 | 2018-11-13 | 张凤林 | Double ridge roll-types of hand tractor traction intercut seeder |
-
1990
- 1990-06-26 JP JP02169345A patent/JP3102016B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8246710B2 (en) | 2003-06-05 | 2012-08-21 | Ibiden Co., Ltd. | Honeycomb structural body |
| US8062603B2 (en) | 2003-06-23 | 2011-11-22 | Ibiden Co., Ltd. | Honeycomb structural body |
| US8361400B2 (en) | 2003-06-23 | 2013-01-29 | Ibiden Co., Ltd. | Honeycomb structural body |
| US7785695B2 (en) | 2003-10-20 | 2010-08-31 | Ibiden Co., Ltd. | Honeycomb structured body |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0458810A (en) | 1992-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |