JPH01121318U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る装置を備えた刈払機の斜
視説明図、第２図は本考案の一実施例の側断面図
、第３図は第２図の―線の正断面図、第４図
は従来例の側断面図である。 １９……回転刃、２１……軸受体、２３……エ
ンジン、２５……連結杆、３３……スリーブ、３
５……切欠溝、３７……ボルト、３９，４１……
リブ、４３……防振体、４５……クラツチハウジ
ング、６７……カバー。 Fig. 1 is a perspective explanatory view of a brush cutter equipped with a device according to the present invention, Fig. 2 is a side sectional view of an embodiment of the present invention, Fig. 3 is a front sectional view taken along the - line in Fig. 2; FIG. 4 is a side sectional view of a conventional example. 19... Rotating blade, 21... Bearing body, 23... Engine, 25... Connection rod, 33... Sleeve, 3
5... Notch groove, 37... Bolt, 39, 41...
Rib, 43... Vibration isolator, 45... Clutch housing, 67... Cover.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転刃１９を回転自在に軸支する軸受体２１と
、後方に設けたエンジン２３とを管状の連結杆２
５によつて連結して設けた刈払機において、前記
連結杆２５の後端に嵌合する円筒状の、外周に適
宜高さのリブ３９，４１を備えたスリーブ３３を
、軸方向に切り欠いた切欠溝３５を横切るボルト
３７によつて前記連結杆２５に締め付け固定して
設け、前記スリーブ３３の外周に一体的に固着す
る防振体４３を、前記エンジン２３の前端に設け
たクラツチハウジング４５の内径部に嵌合すると
ともに円周方向に係止して設け、前記防振体４３
を前記クラツチハウジング４５との間に挾持、固
定するとともに前記スリーブ３３の前端部を覆う
カバー６７を設けたことを特徴とする刈払機の防
振装置。 A tubular connecting rod 2 connects a bearing body 21 that rotatably supports the rotary blade 19 and an engine 23 provided at the rear.
5, a cylindrical sleeve 33 that fits into the rear end of the connecting rod 25 and has ribs 39, 41 of an appropriate height on the outer periphery is cut out in the axial direction. A clutch housing 45 is provided at the front end of the engine 23 with a vibration isolator 43 that is tightened and fixed to the connecting rod 25 by a bolt 37 that crosses the notched groove 35 and is integrally fixed to the outer periphery of the sleeve 33. The vibration isolator 43
A vibration isolating device for a brush cutter, characterized in that a cover 67 is provided which is clamped and fixed between the sleeve 33 and the clutch housing 45 and which covers the front end of the sleeve 33.