【図面の簡単な説明】[Brief explanation of drawings]
添付図面は、本考案による刈払機の実施例を示すもので
、第１図は全体の斜視−１第２図は切換装置の一例を示
す平面図、第３図は刈刃の固定状態を示す一部縦断の側
面図、である。
１・・・・・・支持枠、２・・・・・・刈刃、２ａ・・
間取付軸、３・・・・・・エンジン、４・・・・・・ハ
ンドル、５・・曲原動軸、６・・・・・・従動軸、７・
・・・・・駆動軸、５ａ、 ５ａ、 ５ｂ。
５ｃ、 ７ａ・・・・・・傘歯車、８．９・・間ナツ
ト、１０・・・・・・割ピン、Ａ・・・・・・切換装置
、Ｂ・・・・・・クラッチ。
補正 昭５９． ５．２５
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。
Ｏ実用新案登録請求の範囲
（１）支持杆１（駆動軸７）の先端部に着脱可能に装着
した刈払刃（丸鋸）２を高速回転させて雑草、下草、潅
木などを刈取る動力式刈払機において、上記刈払刃（丸
鋸）２を駆動するための動力伝達機構の一部として、該
刈払刃（丸鋸）２の正転、逆転、停止への切換を行なう
切換装置Ａが設けられ、所定個所に装着した該刈払刃（
丸鋸）２には、その弛緩、脱落防止手段が講じられてい
ることを特徴とする、刈払機。
（２） 実用新案登録請求の範囲第１項の記載におい
て、該支持杆１（駆動軸７）の先端に設けられる雄ネジ
部には、左ネジ２ｂ−と右ネジ２ｃとが螺刻され、これ
ら２つのネジ部にそれぞれ対応して螺合し互いに当接さ
せるダブルナツト８．９の締付けを介して、該刈払刃（
丸鋸）２が上記支持杆１（駆動軸７）先端の所定個所に
挟持、止着せしめられるようにした刈払機。
図面の簡単な説明
添付図面は、本考案による刈払機の実施例を示すもので
、第１図は全体の斜視図、第２図は切換装置の一例を示
す平面図、第３図は刈刃の固定状態を示す一部縦断の側
面図である。
１・・・・・・支持杆、２・・・・・・刈刃、２ａ・・
・・・・取付軸、３・・・・・・エンジン、４・・・・
・・ハンドル、５・・−Ｗ’ｉＪＪ軸、６・・・・・・
従動軸、７・・・・・・駆動軸、５ａ、 ５ａ、
５ｂ。
ｆ）ｃ、 ７ａ・・・・・・傘歯車、８．９・・・・
・・ナツト、１０・・・・・・割ピン、Ａ・・・・・・
切換装置、Ｂ・・・・・・クラッチ。The attached drawings show an embodiment of the brush cutter according to the present invention, in which Fig. 1 is an overall perspective view, Fig. 2 is a plan view showing an example of a switching device, and Fig. 3 shows a fixed state of the cutting blade. It is a partially longitudinal side view. 1... Support frame, 2... Cutting blade, 2a...
Inter-mounting shaft, 3...Engine, 4...Handle, 5...Curved drive shaft, 6...Driver shaft, 7...
... Drive shaft, 5a, 5a, 5b. 5c, 7a...Bevel gear, 8.9...Bevel nut, 10...Cotter pin, A...Switching device, B...Clutch. Correction 1982. 5.25 The claims for utility model registration and the brief description of the drawings are amended as follows. O Scope of Utility Model Registration Claims (1) Power for mowing weeds, underbrush, shrubs, etc. by rotating at high speed a cutting blade (circular saw) 2 detachably attached to the tip of the support rod 1 (drive shaft 7) In a type brush cutter, a switching device that switches the brush cutting blade (circular saw) 2 between forward rotation, reverse rotation, and stop, as part of a power transmission mechanism for driving the brush cutting blade (circular saw) 2. A is provided and the brush cutting blade (
A brush cutter, characterized in that the circular saw (2) is provided with a means to prevent it from loosening and falling off. (2) In the description of claim 1 of the utility model registration claim, the male threaded portion provided at the tip of the support rod 1 (drive shaft 7) is threaded with a left-hand thread 2b- and a right-hand thread 2c, The brush cutting blade (
A brush cutter in which a circular saw (circular saw) 2 is clamped and fixed at a predetermined position on the tip of the support rod 1 (drive shaft 7). BRIEF DESCRIPTION OF THE DRAWINGS The attached drawings show an embodiment of the brush cutter according to the present invention. Figure 1 is an overall perspective view, Figure 2 is a plan view showing an example of a switching device, and Figure 3 is a cutting blade. FIG. 3 is a partially longitudinal side view showing a fixed state of the holder. 1... Support rod, 2... Cutting blade, 2a...
...Mounting shaft, 3...Engine, 4...
...Handle, 5...-W'iJJ axis, 6...
Driven shaft, 7... Drive shaft, 5a, 5a,
5b. f) c, 7a...Bevel gear, 8.9...
...Natsuto, 10...Cotter pin, A...
Switching device, B...Clutch.