Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1999-09-08
2000-12-05
Echols, P. W.
Metal working
Method of mechanical manufacture
Assembling or joining
4033591, 4033596, 144223, 144230, B23Q 300
Patent
active
061549487
ABSTRACT:
An interchangeable cast metal block for mounting on a rotor shaft, the shaft having a polygonal cross-section. The block includes a substantially circular body having a central bore complementary to the polygonal cross-section of the rotor shaft such that the rotation of the shaft will turn the block. There are at least two opposed cutting blade mounting bosses for attachment of cutting blades on the external surface of the block. The mounting bosses are positioned on the block in a predetermined geometric arrangement relative to a facet of the polygonal center bore such that the block can be reversed and re-mounted on the rotor shaft to effectively double the available number of cutting blade positions. The number of available cutting blade positions is two times the number of facets on the polygonal center bore. A plurality of the blocks may be stacked on the rotor in an array to provide a plurality of cutting blade patterns along the length of the rotor shaft.
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Echols P. W.
Green Anthony L.
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