JPS6235723B2 - - Google Patents
Info
- Publication number
- JPS6235723B2 JPS6235723B2 JP16966981A JP16966981A JPS6235723B2 JP S6235723 B2 JPS6235723 B2 JP S6235723B2 JP 16966981 A JP16966981 A JP 16966981A JP 16966981 A JP16966981 A JP 16966981A JP S6235723 B2 JPS6235723 B2 JP S6235723B2
- Authority
- JP
- Japan
- Prior art keywords
- frame
- horizontal rod
- rubber cover
- rotor
- front side
- 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.)
- Expired
Links
- 239000002689 soil Substances 0.000 claims description 9
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 1
- 241000209094 Oryza Species 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009333 weeding Methods 0.000 description 2
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Soil Working Implements (AREA)
Description
【発明の詳細な説明】
本発明は、新規な構成を有する逆転スクリーン
細砕土ローターを提供しようとするものである。DETAILED DESCRIPTION OF THE INVENTION The present invention seeks to provide a reversing screen pulverized earth rotor having a novel configuration.
以下図面を参照しながら本発明の１実施例の詳
細を説明する。 The details of one embodiment of the present invention will be described below with reference to the drawings.
１は、第１発明の逆転スクリーン細砕土ロータ
ーである。そして、その構成は、トラクタなどで
牽引可能に構成したフレーム２に、当該フレーム
２の進行方向とは直交方向をもつて横杆３を取付
け、上記横杆３の下方には当該横杆３と平行に、
かつ、当該フレーム２の進行方向である前方側に
対して逆転するよう砕土ローター４を取付け、一
方、当該砕土ローター４における前方側を上方か
ら覆うゴム製カバー５は断面略〓状に構成される
と共に、当該ゴム製カバー５の後方側である上部
はバネ５Ａあるいはクツシヨンを介して上記横杆
３の下面に連結されると共に、前方側である下部
は上記フレーム２に揺動自在に取付けられた側面
略〓状の支持枠６に連結支持され、上記ゴム製カ
バー５の上部には後方へ少しく延長する突片部５
Ｂが連結され、かつ、この突片部５Ｂは上方より
昇降できる調整金具５Ｃで支持角度を調整できる
よつ構成され、上記横杆３には上記砕土ローター
４の後方側を上方から覆うよう固定格子７が所定
間隔をもつて張設され、かつ、この固定格子７の
間には当該固定格子７と同様形状に構成された揺
動格子８が配設され、かつ、この揺動格子８の上
端は連結金具９を介して上記支持枠６の後方端と
連結されている。 1 is a reversing screen pulverized soil rotor of the first invention. The configuration is such that a horizontal rod 3 is attached to a frame 2 that can be towed by a tractor or the like in a direction perpendicular to the direction of movement of the frame 2, and the horizontal rod 3 is attached below the horizontal rod 3. in parallel,
In addition, the crushing rotor 4 is installed so as to rotate in the opposite direction with respect to the front side, which is the traveling direction of the frame 2, and the rubber cover 5 that covers the front side of the crushing rotor 4 from above is configured to have a substantially square-shaped cross section. In addition, the upper rear side of the rubber cover 5 is connected to the lower surface of the horizontal rod 3 via a spring 5A or a cushion, and the lower front side is swingably attached to the frame 2. The rubber cover 5 is connected and supported by a support frame 6 having a substantially round-shaped side surface, and has a projecting piece 5 on the upper part of the rubber cover 5 that extends slightly rearward.
B are connected to each other, and this protruding piece 5B is configured so that its support angle can be adjusted with an adjustment fitting 5C that can be raised and lowered from above, and is fixed to the horizontal rod 3 so as to cover the rear side of the earth crushing rotor 4 from above. Grids 7 are stretched at predetermined intervals, and between the fixed grids 7 there is arranged an oscillating lattice 8 having the same shape as the fixed lattice 7. The upper end is connected to the rear end of the support frame 6 via a connecting fitting 9.
なお、上記横杆３の両端は第１図を参照して、
一点鎖線で示されている側板に固着されている。 In addition, both ends of the horizontal rod 3 are as shown in FIG.
It is fixed to the side plate indicated by the dashed line.
１′は、第２発明の逆転スクリーン細砕土ロー
ターである。そして、その構成はトラクタなどで
牽引可能に構成したフレーム２に、当該フレーム
２の進行方向とは直交方向をもつて横杆３を取付
け、上記横杆３の下方には当該横杆３と平行に、
かつ、当該フレーム２の進行方向である前方側に
対して逆転するよう砕土ローター４を取付け、一
方、当該砕土ローター４における前方側を上方か
ら覆うゴム製カバー５は断面略〓状に構成される
と共に、当該ゴム製カバー５の後方側である上部
はバネ５Ａあるいはクツシヨンを介して上記横杆
３の下面に連結されると共に、前方側である下部
は上記フレーム２の前方側下方に張設された下方
枠１０に連結支持され、上記ゴム製カバー５の上
部には後方へ少しく延長する突片部５Ｂが連設さ
れ、かつ、この突片部５Ｂは上方より昇降できる
調整金具５Ｃで支持角度調整自在に構成され、上
記横杆３には上記砕土ローター４の後方側を上方
から覆うように固定格子７が所定間隔をもつて張
設され、かつ、この固定格子７の間には当該固定
格子７と同様形状に構成された揺動格子８が配設
され、かつ、この揺動格子８の上端は連杆１１、
緩衝装置１２、クランク１３を介して出力軸１
４′に連結されている。そして、この緩衝装置１
２は上記連杆１１にピンＰを介して連結したコ字
型枠１２Ａの縦板にクランク１３からのシヤフト
１２Ｂを貫入せしめ、このシヤフト１２Ｂには上
記コ字型枠１２Ａを中心に前後のコイルスプリン
グ１２Ｃ，１２Ｄを装着せしめてある。１２
C′，１２D′はワツシヤーである。この結果、出
力軸が回転によりクランク１３が前方へ移動する
と、シヤフト１２Ｂが前方へ引き寄せられる。こ
の時、後方のコイルスプリング１２Ｄは一時圧縮
状態となり、又、シヤフト１２Ｂが後方へ移動す
ると、前方のコイルスプリング１２Ｃが一時圧縮
状態となる。このような作用を繰返すことによ
り、出力軸からの回転力を緩衝しながら揺動格子
８に伝えることができる。第２図の如く、固定格
子７の上端は横板７Ｂに固定され、この横板７
Ｂ、の両端に突設したシヤフト７B′は横杆３の両
端下面に突設した軸受に回動自在に嵌合されてい
る。そこで、この横杆３に対して上下に昇降自在
に螺着されたボルト７Ａの下端は、上記横板７Ｂ
に固着したブロツク７B″に対して回動自在に連
結されている（第１図参照）。従つて、ボルト７
Ａを昇降させることにより固定格子７の支持角度
を調整することができる。上記砕土ローター４は
フレーム２の進行方向側である前方側に対して逆
転するシヤフト４Ａに砕土刃４Ｂが適本数植設さ
れた構造のものである。図中１３′は尾輪、１４
は鎮圧板で、フレーム２から突出したアーム１４
Ａ、下方へ押圧スプリングを有する連杆１４Ｂ、
平鉄１４Ｃで支持されている。上記支持枠６の下
端は上述の如くゴム製カバー５と連結されている
が、この場合、ゴム製カバー５側に取付けたブラ
ケツト５Ｄは支点５Ｅと長穴５Ｆによつて支持角
度を調整自在に構成されている。１５はフレーム
２に取付けた横杆１５Ａより突出せしめたスプリ
ングで、上記支持枠６を後方へ押圧する。また、
この支持枠６の上方頂部はフレーム２から突出せ
しめた軸点６Ａによつて揺動自在に支持されてい
ると共に、上記連結金物９は支点９Ａと長穴９Ｂ
によつて支持角度を調整しうるよう構成されてい
る。 1' is a reversing screen pulverized soil rotor of the second invention. The configuration is such that a horizontal rod 3 is attached to a frame 2 that can be towed by a tractor or the like in a direction perpendicular to the direction of movement of the frame 2, and below the horizontal rod 3 is parallel to the horizontal rod 3. To,
In addition, the crushing rotor 4 is installed so as to rotate in the opposite direction with respect to the front side, which is the traveling direction of the frame 2, and the rubber cover 5 that covers the front side of the crushing rotor 4 from above is configured to have a substantially square-shaped cross section. At the same time, the upper part on the rear side of the rubber cover 5 is connected to the lower surface of the horizontal rod 3 via a spring 5A or a cushion, and the lower part on the front side is stretched below the front side of the frame 2. The rubber cover 5 is connected and supported by the lower frame 10, and the upper part of the rubber cover 5 is provided with a protruding piece 5B that extends slightly rearward. Fixed grids 7 are stretched at predetermined intervals on the horizontal rod 3 so as to cover the rear side of the crushing rotor 4 from above, and between the fixed grids 7 are fixed grids 7. An oscillating lattice 8 configured in the same shape as the lattice 7 is disposed, and the upper end of the oscillating lattice 8 is connected to a connecting rod 11,
Output shaft 1 via shock absorber 12 and crank 13
4'. And this buffer device 1
2, the shaft 12B from the crank 13 is inserted into the vertical plate of the U-shaped frame 12A connected to the connecting rod 11 via the pin P, and the shaft 12B has coils arranged before and after the U-shaped frame 12A. Springs 12C and 12D are installed. 12
C' and 12D' are washers. As a result, when the output shaft rotates and the crank 13 moves forward, the shaft 12B is drawn forward. At this time, the rear coil spring 12D is temporarily compressed, and when the shaft 12B moves rearward, the front coil spring 12C is temporarily compressed. By repeating such actions, the rotational force from the output shaft can be transmitted to the swing grating 8 while being buffered. As shown in FIG. 2, the upper end of the fixed grid 7 is fixed to a horizontal plate 7B, and this horizontal plate 7
A shaft 7B' projecting from both ends of the horizontal rod 3 is rotatably fitted into bearings projecting from the lower surface of both ends of the horizontal rod 3. Therefore, the lower end of the bolt 7A, which is screwed to the horizontal rod 3 so as to be able to rise and fall freely up and down, is attached to the horizontal plate 7B.
It is rotatably connected to the block 7B'' which is fixed to the bolt (see Fig. 1).
By raising and lowering A, the support angle of the fixed grid 7 can be adjusted. The earth crushing rotor 4 has a structure in which an appropriate number of earth crushing blades 4B are installed on a shaft 4A that rotates in reverse relative to the front side, which is the side in the direction of movement of the frame 2. In the figure, 13' is the tail wheel, 14
is a suppressing plate, and the arm 14 protrudes from the frame 2.
A, connecting rod 14B having a downward pressing spring;
It is supported by flat iron 14C. The lower end of the support frame 6 is connected to the rubber cover 5 as described above, but in this case, the support angle of the bracket 5D attached to the rubber cover 5 side can be adjusted freely by the fulcrum 5E and the elongated hole 5F. It is configured. A spring 15 projects from a horizontal rod 15A attached to the frame 2 and presses the support frame 6 rearward. Also,
The upper apex of this support frame 6 is swingably supported by an axis point 6A projecting from the frame 2, and the connecting hardware 9 is connected to a fulcrum 9A and an elongated hole 9B.
It is constructed so that the support angle can be adjusted by.
なお、本願のものは第６図、第７図の如く必要
に応じて地ならし用のローター１６を取付けるこ
とができる。また、第８図の如くテーラー型耕耘
機タイプ１７とすることができる。第９図、第１
０図の如く中耕除草タイプとすることもできる。 In the present invention, a rotor 16 for leveling the ground can be attached as required, as shown in FIGS. 6 and 7. Alternatively, it may be a Taylor type cultivator type 17 as shown in FIG. Figure 9, 1st
It is also possible to use an inter-till weeding type as shown in Figure 0.
第１１図の如く耕耘兼砕工機１９としてもよ
い。この場合はロアーアーム１９Ａをフレームパ
イプなどを中心として前後に回動自在に構成する
ことにより、砕土ローター４の回転方向は同じで
あるが、牽引方向を前後に変えるよう構成されて
いる。１９Ｂはトツプアーム、１９Ｃは連杆、２
０は鎮圧輪である。 It may also be used as a tiller and crusher 19 as shown in FIG. In this case, by configuring the lower arm 19A to be freely rotatable back and forth around a frame pipe or the like, the rotation direction of the crushing rotor 4 remains the same, but the traction direction is changed back and forth. 19B is the top arm, 19C is the continuous rod, 2
0 is the suppression ring.
本発明のものは、上述の如く構成されているか
ら、砕土刃４Ｂによつて砕土された土砂は、ゴム
製カバー５に当たり、このゴム製カバー５を振動
させながら固定格子７、揺動格子８からなるふる
い体方向へ飛ばされる。この場合、ゴム製カバー
５の突片部５Ｂは角度調整自在となつているか
ら、土砂の飛散方向を最適な角度に調整しうる。
一方、ゴム製カバー５と支持枠６とは下方で連結
されているから、ゴム製カバー５の振動は支持枠
６に伝えられ、この支持枠６には、振動格子８が
連結されているから揺動し、ふるい体の目づまり
現象を防止できる。 Since the device of the present invention is constructed as described above, the soil crushed by the crushing blade 4B hits the rubber cover 5, and while vibrating the rubber cover 5, the fixed lattice 7 and the oscillating lattice 8 It is blown towards the sieve body, which consists of In this case, since the angle of the protruding piece 5B of the rubber cover 5 is adjustable, the direction of scattering of earth and sand can be adjusted to an optimal angle.
On the other hand, since the rubber cover 5 and the support frame 6 are connected below, the vibration of the rubber cover 5 is transmitted to the support frame 6, and the vibration grating 8 is connected to the support frame 6. The sieve body can be oscillated to prevent clogging of the sieve body.
第２発明の場合は、この揺動格子８へは出力軸
などから振動が与えられる。ふるい体に達した土
砂は、ふるいの目より小さい土砂は鎮圧板方向へ
飛び、大きい土砂はふるい体の前方側に落下する
ことになる。この結果、下方に粗い土砂が、上方
に細かい土砂が積層された状態で砕土されること
になる。 In the case of the second invention, vibrations are applied to the oscillating grating 8 from an output shaft or the like. When the sediment reaches the sieve body, the sediment smaller than the mesh size of the sieve flies toward the suppression plate, and the larger sediment falls toward the front of the sieve body. As a result, the earth is crushed with coarse earth and sand layered on the bottom and fine earth and sand layered on the top.
このように本発明のものによれば、細砕土作業
を確実かつ迅速に行うことのできる有用な発明と
言うべきものである。 As described above, the present invention can be said to be a useful invention that can perform pulverizing soil work reliably and quickly.
なお、本願のものは収穫後残つた麦や稲の残桿
や稲株の地中への引き込みを行うことができると
共に、代かきに使用した場合にも稲株の引き込み
作用を発揮することになる。 In addition, the product of the present application can pull the remaining barley and rice stalks and rice plants that remain after harvesting into the ground, and also exerts the action of pulling rice plants when used for puddling. .
第１図は第１発明の１部を切欠いた左側面図、
第２図はカバーと固定格子、揺動格子の関係を示
す斜視図、第３図は正面図、第４図は鎮圧輪を取
付けた状態の側面図、第５図は平面図、第６図は
地面をならすローターを取付けたものの正面図、
第７図は右側面図、第８図はテーラー型耕耘機タ
イプを取付けた場合の右側面図、第９図は中耕除
草タイプにした場合の正面図、第１０図は１部を
切欠いた右側面図、第１１図は耕耘兼細砕土機用
に構成したものの側面図、第１２図は第２発明の
１部を切欠いた側面図である。
１，１′…逆転スクリーン細砕土ローター、４
…砕土ローター、５…ゴム製カバー、６…支持
枠、７…固定格子、８…揺動格子、１２…緩衝装
置。
FIG. 1 is a partially cutaway left side view of the first invention;
Figure 2 is a perspective view showing the relationship between the cover, fixed grid, and swinging grid, Figure 3 is a front view, Figure 4 is a side view with the suppression ring attached, Figure 5 is a plan view, and Figure 6. is a front view of the one with the ground leveling rotor attached,
Figure 7 is a right side view, Figure 8 is a right side view when the Taylor tiller type is installed, Figure 9 is a front view when the inter-till weeding type is installed, and Figure 10 is the right side with one part cut away. A top view, FIG. 11 is a side view of a device constructed for use as a tiller and pulverizer, and FIG. 12 is a partially cutaway side view of the second invention. 1, 1'... Reversing screen pulverized soil rotor, 4
... Soil crushing rotor, 5... Rubber cover, 6... Support frame, 7... Fixed grid, 8... Swinging grid, 12... Shock absorber.
Claims (1)
２に、当該フレーム２の進行方向とは直交方向を
もつて横杆３を取付け、上記横杆３の下方には当
該横杆３と並行に、かつ、当該フレーム２の進行
方向である前方側に対して逆転するよう砕土ロー
ター４を取付け、一方、当該砕土ローター４にお
ける前方側を上方から覆うゴム製カバー５は断面
略〓状に構成されると共に、当該ゴム製カバー５
の後方側である上部はバネ５Ａあるいはクツシヨ
ンを介して上記横杆３の下面に連結されると共
に、前方側である下部は上記フレーム２に揺動自
在に取付けられた側面略〓状の支持枠６に連結支
持され、上記ゴム製カバー５の上部には後方へ少
しく延長する突片部５Ｂが連結され、かつ、この
突片部５Ｂは上方より昇降できる調整金具５Ｃで
支持角度を調整できるよう構成され、上記横杆３
には上記砕土ローター４の後方側を上方から覆う
よう固定格子７が所定間隔をもつて張設され、か
つ、この固定格子７の間には当該固定格子７と同
様形状に構成された揺動格子８が配設され、か
つ、この揺動格子８の上端は連結金物９を介して
上記支持枠６の後方端と連結されていることを特
徴とする逆転スクリーン細砕土ローター。 ２ トラクタなどで牽引可能に構成したフレーム
２に、当該フレーム２の進行方向とは直交方向を
もつて横杆３を取付け、上記横杆３の下方には当
該横杆３と並行に、かつ、当該フレーム２の進行
方向である前方側に対して逆転するよう砕土ロー
ター４を取付け、一方、当該砕土ローター４にお
ける前方側を上方から覆うゴム製カバー５は断面
略〓状に構成されると共に、当該ゴム製カバー５
の後方側である上部はバネ５Ａあるいはクツシヨ
ンを介して上記横杆３の下面に連結されると共
に、前方側である下部は上記フレーム２の前方側
下方に張設された下方枠１０に連結支持され、上
記ゴム製カバー５の上部には後方へ少しく延長す
る突片部５Ｂが連結され、かつ、この突片部５Ｂ
は上方より昇降できる調整金具５Ｃで支持角度を
調整できるよう構成され、上記横杆３には上記砕
土ローター４の後方側を上方から覆うよう固定格
子７が所定間隔をもつて張設され、かつ、この固
定格子７の間には当該固定格子７と同様形状に構
成された揺動格子８が配設され、かつ、この揺動
格子８の上端は連杆１１、緩衝装置１２、クラン
ク１３を介して出力軸１４′に連結されていると
共に、上記揺動格子８を適宜な動力により強制的
に揺動するよう構成したことを特徴とする逆転ス
クリーン細砕土ローター。[Claims] 1. A horizontal rod 3 is attached to a frame 2 configured to be towed by a tractor or the like in a direction perpendicular to the direction of movement of the frame 2, and a horizontal rod 3 is attached below the horizontal rod 3. The crushing rotor 4 is installed parallel to the frame 2 and reversely with respect to the forward side, which is the direction of movement of the frame 2. On the other hand, the rubber cover 5 that covers the front side of the crushing rotor 4 from above has a substantially square-shaped cross section. and the rubber cover 5
The upper part on the rear side is connected to the lower surface of the horizontal rod 3 via a spring 5A or a cushion, and the lower part on the front side is a support frame with a substantially square-shaped side surface that is swingably attached to the frame 2. A projecting piece 5B extending slightly rearward is connected to the upper part of the rubber cover 5, and the supporting angle of the projecting piece 5B can be adjusted with an adjustment fitting 5C that can be raised and lowered from above. Consisting of the above transverse rod 3
Fixed gratings 7 are stretched at predetermined intervals so as to cover the rear side of the crushing rotor 4 from above, and between the fixed gratings 7 there is a rocking structure having the same shape as the fixed gratings 7. A reversing screen pulverized soil rotor characterized in that a lattice 8 is disposed, and the upper end of the oscillating lattice 8 is connected to the rear end of the support frame 6 via a connecting metal fitting 9. 2. A horizontal rod 3 is attached to a frame 2 configured to be towed by a tractor or the like in a direction perpendicular to the direction of movement of the frame 2, and below the horizontal rod 3, parallel to the horizontal rod 3, and The crushing rotor 4 is attached so as to rotate in reverse with respect to the front side, which is the direction of movement of the frame 2, and the rubber cover 5 that covers the front side of the crushing rotor 4 from above is configured to have a substantially square cross section, The rubber cover 5
The upper part on the rear side is connected to the lower surface of the horizontal rod 3 via a spring 5A or a cushion, and the lower part on the front side is connected and supported by a lower frame 10 stretched under the front side of the frame 2. A protruding piece 5B extending slightly rearward is connected to the upper part of the rubber cover 5, and this protruding piece 5B
is constructed so that the support angle can be adjusted with an adjustment fitting 5C that can be raised and lowered from above, and fixed grids 7 are stretched on the horizontal rods 3 at predetermined intervals so as to cover the rear side of the soil crushing rotor 4 from above, and A swinging grid 8 having the same shape as the fixed grid 7 is disposed between the fixed grids 7, and the upper end of the swinging grid 8 has a connecting rod 11, a shock absorber 12, and a crank 13. A reversing screen pulverized soil rotor, which is connected to an output shaft 14' through a rotor, and is configured to forcibly oscillate the oscillating grid 8 with an appropriate power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16966981A JPS5871801A (en) | 1981-10-22 | 1981-10-22 | Reverse screen fine crushed soil rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16966981A JPS5871801A (en) | 1981-10-22 | 1981-10-22 | Reverse screen fine crushed soil rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5871801A JPS5871801A (en) | 1983-04-28 |
| JPS6235723B2 true JPS6235723B2 (en) | 1987-08-04 |
Family
ID=15890714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16966981A Granted JPS5871801A (en) | 1981-10-22 | 1981-10-22 | Reverse screen fine crushed soil rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5871801A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0166932U (en) * | 1987-10-22 | 1989-04-28 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155904U (en) * | 1982-04-13 | 1983-10-18 | 佐々木農機株式会社 | rotary tiller |
| JPS5959806U (en) * | 1982-10-15 | 1984-04-19 | 株式会社クボタ | Rake device of rotary device |
| JPH052008Y2 (en) * | 1985-06-21 | 1993-01-19 | ||
| JPS621504U (en) * | 1985-06-21 | 1987-01-07 | ||
| JPS63188301A (en) * | 1987-01-30 | 1988-08-03 | 小橋工業株式会社 | Up-cut type rotary plowing apparatus |
| JPH071921Y2 (en) * | 1987-05-26 | 1995-01-25 | 小橋工業株式会社 | Rotary farm work machine |
| JP2520322Y2 (en) * | 1987-06-25 | 1996-12-18 | 小橋工業 株式会社 | Rotary farm work machine |
-
1981
- 1981-10-22 JP JP16966981A patent/JPS5871801A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0166932U (en) * | 1987-10-22 | 1989-04-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5871801A (en) | 1983-04-28 |
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