JP6788174B1 - 母板に雑草粘着液排除孔のある刈り払い刃。 - Google Patents
母板に雑草粘着液排除孔のある刈り払い刃。 Download PDFInfo
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Abstract
Description
この発明は出願番号特願2018−155005における微力化した回転切断力の刈り払い作業に対応したものである。
重心近くで軸支取り付けされて微力化した切断刃は刈り払い当接物に対する当接エネルギーは微力化しながらも、刈り払い対象物に対する刈り払い能力は有していた
なお、鋸刃タイプ等従来刃においても、当件母板たる円板を各所切除したものはあったが、その目的は単に円板自体の軽量化を図るものであり、そもそもそれらは単枚板の刈り払い作業用であるから、軸支回転する切断刃が母板上面に重ねられて刈り払い作業を行うという本発明の機能とは、合致しないものである。
本発明の実施の一例の形態を図1、に基づいて説明する。
2 切断刃
4 装着孔
6 回転方向
10 軸支領域
11 上面
13 外周
22 切断刃孔
31 チップ
40 取り付け孔
41 先端側
42 他端側
110 切断刃2に覆われている排除孔。
112 45度後退した排除孔
113 90度後退した部分まで広げた排除孔
401 ボルト
1101 排除孔
1121 排除孔
1131 排除孔
Claims (2)
- 刈り払い刃のなめらかな外周とした真円状の板状体を母板と称して、その母板の外周よりも5mm以下にやや突き出る刃先を一部とする切断刃が母板の上面に軸支され、その先端側の該刃先が外周より突き出る状態における他端側と重なる母板の部分を、前記軸支の領域を残して切除し、その切除部を粘り付く液をもたらす雑草の排除孔とした母板。
- 外周より突き出る刃先の状態における切断刃を、刈り払い回転方向の後方に最大90度自転させて重なる母板の部分を切除した、請求項1記載の母板。
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| JP2019122341A JP6788174B1 (ja) | 2019-06-11 | 2019-06-11 | 母板に雑草粘着液排除孔のある刈り払い刃。 |
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| JP6788174B1 true JP6788174B1 (ja) | 2020-11-25 |
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| BRMU8901415U2 (pt) * | 2009-06-09 | 2011-02-22 | Blount Ind Ltda | disposições introduzidas em conjunto faca e contra-faca acoplável no disco de máquina cortadora de cana de açúcar |
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