Patent ID: 6782788
Filing Date: 2004-08-31
Classification: B23D,E06B,Y10S,Y10T

Abstract:
A cutting blade having a pocketed cutting portion and a massive portion at a lower end of said cutting blade comprising:a first face and a second face at a spaced distance from said first face, said first and second faces defining said massive portion of said cutting blade; said cutting blade having exterior side walls extending between said first and second faces; and a plurality of interior side walls spaced inwardly of said exterior side walls and extending from said second face toward said first face to define the pocketed cutting portion of said cutting blade, said cutting blade having an intermediate face in said pocketed cutting portion, wherein said intermediate face is spaced from said first face at a distance that is less than the spaced distance between said first and second faces, and wherein said cutting blade has a cutting edge in said pocketed cutting portion that extends along the lower end of said cutting blade, said cutting edge being surrounded at the lower end of said cutting blade by the massive portion of said cutting blade.