Powered landscape rake

专利名称：Powered landscape rake

发明人：Kenneth Hammarlund,Wilford Hammarlund申请号：US06/479606申请日：19830328公开号：US04516639A公开日：19850514

摘要：A powered landscape rake for fine grading of and for stone and debris removalfrom a landscape surface is shown according to the teachings of the present invention.The rake of the present invention includes a drum rotatably mounted in a drum frame.The drum frame is mounted to a turntable assembly for allowing the drum frame topivot about an axis generally perpendicular to the drum frame and which is locatedgenerally midway of the drum frame. A frame member is attached to the turntable andextends to a point under the tractor frame in front of the front wheels. The free end ofthe frame member is mounted for pivoting and swiveling to a frame attachment member.First and second cylinders are further attached to the turntable for positioning the drumframe at any desired angle in a vertical plane to the landscape and allow the drum frameto sway in a horizontal plane about the front frame attachment point. The drum can berotated in either direction by a hydraulic motor for providing a kicking type action to thesoil of the landscape surface for providing a smooth, fine, finished grade and for seedingand covering seed on the landscape surface.

申请人：HAMMARLUND; KENNETH,HAMMARLUND; WILFORD

代理机构：Peterson, Wicks, Nemer & Kamrath

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