Patent ID: 6279440
Filing Date: 2001-08-28
Classification: A61F,B26F,Y10T

Abstract:
A knife, comprising:a) a linear first cutting member having a first end;b) a second cutting member having a linear section and an arcuate section joined to said first end of said first cutting member;c) a third cutting member having a linear section and an arcuate section joined to said first end of said first cutting member and further joined to said arcuate section of said second cutting member;d) a wishbone configuration formed by said arcuate sections of said second and said third cutting members cooperating with said first cutting member and having an outside edge and an arcuately shaped centerline;e) a cutting edge on said first, said second, and said third cutting members having a cutting edge knife thickness greater than 0.003 inches up to about 0.005 inches; andf) a cutting edge surface area greater than 40% up to 70% of the total surface area of a rectangle drawn over said wishbone configuration and formed by a first rectangle side line between each of two rectangle corner points located on said outside edges of said second and said third cutting members, respectively, at a location where said respective arcuate section is joined to said linear section, a second rectangle side line and a third rectangle side line perpendicular to said first rectangle side line at each of said two rectangle corner points and extending a distance through a centerline positioned where said second cutting member joins said third cutting member, and a fourth rectangle side line parallel to said first rectangle side line at a distance from said center line equal to the distance between said first rectangle side line and said center line, said fourth rectangle side line intersecting said second and third rectangle side lines to form said rectangle within said first, second, third, and fourth rectangle side lines.