Rotary knife blade for low friction rotary knife

  • US 8,074,363 B2
  • Filed: 02/21/2006
  • Issued: 12/13/2011
  • Est. Priority Date: 07/22/1998
  • Status: Active Grant
First Claim
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1. A rotary knife blade comprising:

  • a rotatable annular body defining first and second axial ends, said body disposed about a central axis; and

    ,an annular blade section rotatable with the annular body and projecting axially from the first axial end of said body;

    said rotatable annular body comprised of a wall defining a radially outer surface disposed between said first and second axial ends, and an annular bearing race in said surface and extending radially into said wall, said bearing race spaced axially from said blade section and comprising a first surface that converges proceeding away from said second axial end, and a second surface that converges proceeding toward said first surface, said first and second surfaces defining first and second bearing faces spaced axially apart.

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