JPS64432U

JPS64432U -

Info

Publication number: JPS64432U
Application number: JP9496387U
Authority: JP
Priority date: 1987-06-19
Filing date: 1987-06-19
Publication date: 1989-01-05
Also published as: JPH0438666Y2

Description

[Brief explanation of the drawing]

第１図は本考案に係る刈払機用カツターの実施
例を示す上面図、第２図は下面図、第３図は側面
図、第４図は第１図の―線断面図、第５図は
従来の刈払機用カツターの一例を示す上面図、第
６図は第５図の―線断面図である。１０……カツター、１１……刃部、１１ａ……
刃先面、１２……ボス孔、１３……環状平坦部、
１４……上向き弯曲部、１５……刃室。 Fig. 1 is a top view showing an embodiment of a cutter for a brush cutter according to the present invention, Fig. 2 is a bottom view, Fig. 3 is a side view, Fig. 4 is a cross-sectional view taken along the line - - of Fig. 1, and Fig. 5. 6 is a top view showing an example of a conventional cutter for a brush cutter, and FIG. 6 is a sectional view taken along the line -- in FIG. 10... cutter, 11... blade part, 11a...
Blade edge surface, 12...boss hole, 13...annular flat part,
14...Upward curved part, 15...Blade chamber.

補正昭６２．７．２９考案の名称を次のように補正する。考案の名称刈払機用カツター実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment July 29, 1982 The name of the invention is amended as follows. Title of the invention: Cutter for brush cutter The scope of the utility model registration claim and the brief description of the drawings are amended as follows.

【実用新案登録請求の範囲】中心部に刈払機の回転軸へ装着されるボス孔を
有し、該ボス孔の周囲に回転軸のボス部と対応し
た大きさで形成された環状平坦部と、該環状平坦部の外周部に延長形成され、上記ボ
ス孔の軸線方向の一方へ弯曲せしめられた上向き
弯曲部と、該上向き弯曲部の外周等配位置に形成され、刃
先面を回転方向前方へ傾斜した直線とし、外周縁
を回転方向後方へ漸次小径となる曲線とし、後縁
を上記刃先面と略平行な曲線とした複数の刃部と
、各刃部間に半径方向内方へ深く凹入して形成さ
れ、底部を円弧状とした刃室とを具備させたこと
を特徴とする刈払機用カツター。[Claim for Utility Model Registration] A boss hole in the center that is attached to the rotating shaft of the brush cutter, and an annular flat part formed around the boss hole with a size corresponding to the boss of the rotating shaft. , an upwardly curved part extending on the outer periphery of the annular flat part and curved in one direction in the axial direction of the boss hole; The outer peripheral edge is a curved line that gradually becomes smaller in diameter toward the rear in the rotational direction, and the trailing edge is a curved line that is approximately parallel to the cutting edge surface. A cutter for a brush cutter, characterized in that it is provided with a blade chamber that is recessed and has an arcuate bottom.

【図面の簡単な説明】第１図は本考案に係る刈払機用カツターの実施
例を示す上面図、第２図は下面図、第３図は側面
図、第４図は第１図の―線断面図、第５図は
従来の刈払機用カツターの一例を示す上面図であ
る。１０……カツター、１１……刃部、１１ａ……
刃先面、１２……ボス孔、１３……環状平坦部、
１４……上向き弯曲部、１５……刃室。[Brief Description of the Drawings] Fig. 1 is a top view showing an embodiment of the cutter for a brush cutter according to the present invention, Fig. 2 is a bottom view, Fig. 3 is a side view, and Fig. 4 is the same as in Fig. 1. A line sectional view and FIG. 5 are top views showing an example of a conventional cutter for a brush cutter. 10... cutter, 11... blade part, 11a...
Blade edge surface, 12...boss hole, 13...annular flat part,
14...Upward curved part, 15...Blade chamber.

Claims

[Scope of Claim for Utility Model Registration] Having a boss hole in the center that is attached to the rotating shaft of the brush cutter, and an annular flat part formed around the boss hole with a size corresponding to the boss part of the rotating shaft. , an upwardly curved part extending on the outer circumference of the annular flat part and curved in one direction in the axial direction of the boss hole; A plurality of blade parts each having a straight line slanted to , the outer peripheral edge is a curve whose diameter gradually becomes smaller toward the rear in the rotational direction, and the trailing edge is a curved line approximately parallel to the cutting edge surface, and a groove deep inward in the radial direction between each blade part. A cutter for a brush cutter, characterized in that it is provided with a blade chamber that is recessed and has an arcuate bottom.