Patent ID: 6321518
Filing Date: 2001-11-27
Classification: A01D,Y10S

Abstract:
In a land clearing machine attachment of the type having a plurality of swinging blades that rotate about a horizontal axis, the improvement comprising:a monolithic cylindrical rotor tube having internal and external surfaces and being mounted for rotation about the horizontal axis;a plurality of swinging blades having a cutting tip at the first end and a shaft receiving mounting hole at the second end;blade pivot shafts, the blades being mounted at their second end for free rotation on the blade pivot shaft, so that the blade tips swing through 360.degree. at a radius thereabout; anda plurality of tubular blade pivot shaft attachments mounted directly to the external surface of the tubular rotor to support the blade pivot shafts parallel to the horizontal axis, the blade pivot shaft attachments receiving and supporting the blade assembly shafts so as to locate and hold the blades for free rotation thereon with the arcs of blade tip radii passing through clearance holes formed in the rotor tube wall and within the internal surface of the rotor.