Patent ID: 7225713
Filing Date: 2007-06-05
Classification: A01D,Y10T

Abstract:
1. A cutting blade for a motor-driven implement, said cutting blade comprising: a main body of metal having a central fastening opening and blade sections, also of metal, that extend approximately radially from said main body, wherein said blade sections are disposed in a plane with the main body, and wherein said blade sections have edges that extend in a radial direction and form cutting edges, wherein radially outer edges of said blade sections are embodied as additional cutting edges, wherein said radially inner edges merge with said radially outer edges and said edges extend in a double trapezoidal tapering shape to radial ends of said blade sections, wherein an angle is provided between a longitudinal axis of a given one of said blade sections and one of said radially outer cutting edges, wherein said angle is larger than an angle between said longitudinal axis and one of said radially inner cutting edges, to obtain a nearly elliptical contour of the cutting blade.