公开(公告)号：US06748664B2

公开(公告)日：2004-06-15

申请号：US09848575

申请日：2001-05-02

申请人： Rudolf Dirks ,  Klaus Langhans

发明人： Rudolf Dirks ,  Klaus Langhans

IPC分类号： A01D108

CPC分类号： A01D34/90

摘要： A gear head for a manually guided power implement is provided. Part of the tool shaft, which receives a rotatable cutting tool, is embodied as a cylindrical splined shaft having grooves for the positive transmission of torque to the cutting tool. An abutment plate is disposed on the tool shaft and has an abutment surface that extends essentially perpendicular to the longitudinal axis of the tool shaft. A centering cylinder extends through a circular central opening of the cutting tool and has inwardly directed longitudinal ribs that engage in the grooves of these splined shaft. A free end of the centering cylinder is provided with a beveled portion that extends from an outer contour of the cylinder to into the grooves.

摘要翻译： 提供了一种用于手动引导的动力工具的齿轮头。 接收可旋转切割工具的工具轴的一部分被实施为具有用于向切割工具的正向传递扭矩的凹槽的圆柱花键轴。 邻接板设置在工具轴上并且具有基本上垂直于工具轴的纵向轴线延伸的邻接表面。 定心圆筒延伸穿过切割工具的圆形中心开口，并且具有接合在这些花键轴的凹槽中的向内指向的纵向肋。 定心圆筒的自由端设置有从圆柱体的外轮廓延伸到凹槽中的斜切部分。