【図面の簡単な説明】[Brief explanation of the drawing]
第１図・・本考案の正面図、矢印回転方向・斜
線切刃部点線裏面、第２図・・本考案の切刃部拡
大図、第３図・・従来品の切刃部参考図、第４図
・・従来品の使用磨耗比較図、第５図・・本考案
の使用磨耗比較図。
Figure 1: Front view of the present invention, rotational direction indicated by arrows, dotted line on the back of the cutting edge, Figure 2: Enlarged view of the cutting edge of the present invention, Figure 3: Reference diagram of the cutting edge of the conventional product, Fig. 4: Comparison of wear and tear of the conventional product, Fig. 5: Comparison of wear and tear of the present invention.
補正 昭６１．２．２０
図面の簡単な説明を次のように補正する。
明細書中第４頁５行目〜９行目の「第１図……
本考案の正面図、……第５図……本考案の使用摩
耗比較図。」を下記の通り補正する。
「第１図は本考案実施例の刈払機用角型替刃を
示す平面図、第２図は同切刃部の説明図、第３図
は同切刃部の摩耗状態を示す説明図、第４図は従
来の切刃部を示す説明図、第５図は同摩耗状態を
示す説明図である。」
補正 昭６１．２．２０
実用新案登録請求の範囲を次のように補正する
。Amendment February 20, 1981 The brief description of the drawing is amended as follows. "Figure 1..." on page 4, lines 5 to 9 of the specification.
Front view of the present invention... Figure 5: Comparison of wear and tear during use of the present invention. ' shall be corrected as follows. ``Fig. 1 is a plan view showing a rectangular replaceable blade for a brush cutter according to an embodiment of the present invention, Fig. 2 is an explanatory view of the cutting blade, and Fig. 3 is an explanatory view showing the state of wear of the cutting blade. Fig. 4 is an explanatory diagram showing the conventional cutting edge portion, and Fig. 5 is an explanatory diagram showing the wear state of the same.''Amendment February 20, 1982 The scope of the claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
刈払機に着脱自在に取付て使用する替刃におい
て、替刃本体を正方形に形成し、同替刃本体の四
隔を通つて放射状に突出する突起を設け同突起の
側辺から替刃本体まで切刃部を形成したことを特
徴とする刈払機用角型替刃。
図面の簡単な説明を次のように補正する。[Claim for Utility Model Registration] In a replaceable blade that is used by being detachably attached to a brush cutter, the main body of the replaceable blade is formed in a square shape, and projections that project radially through the four partitions of the main body of the replaceable blade are provided. A square replaceable blade for a brush cutter, characterized in that a cutting edge is formed from the side of the blade to the main body of the replaceable blade. The brief description of the drawing has been amended as follows.
【図面の簡単な説明】
第１図は本考案実施例の刈払機用角型刃を示す
平面図、第２図は同切刃部の説明図、第３図は同
切刃部の摩耗状態を示す説明図、第４図は従来の
切刃部を示す説明図、第５図は同摩耗状態を示す
説明図である。
１：替刃、２：替刃本体、３：突起、４：側辺
、５：切刃部。[Brief explanation of the drawings] Fig. 1 is a plan view showing a square blade for a brush cutter according to an embodiment of the present invention, Fig. 2 is an explanatory diagram of the cutting blade, and Fig. 3 is a state of wear of the cutting blade. FIG. 4 is an explanatory diagram showing the conventional cutting edge portion, and FIG. 5 is an explanatory diagram showing the wear state of the same. 1: Replaceable blade, 2: Replaceable blade body, 3: Protrusion, 4: Side, 5: Cutting blade.