Safety blade for utility knife

Details Safety blade for utility knife Safety blade for utility knife

B - Operations, Transporting

26

B

B26B 9/02 (2006.01) B26B 9/00 (2006.01)

Patent

CA 2164605

A blade (10) for a utility knife is provided which has a trapezoidal shape with a cutting edge (12) and a pair of side edges (16) which converge towards a blunt back edge (14). A safety edge (28) joins each of the side edges (16) with the cutting edge (12). The safety edges (28) intersect with the cutting edge (12) at an obtuse angle and provide substantially blunt surfaces. Safety corners (24) are formed at intersections of the safety edges (28) and the side edges (16). The safety corners (24) are disposed at the outermost distal ends of the blade (10) relative to the cutting edge (12). Cutting corners (26) are formed at the intersections of the safety edges (28) and the cutting edge (12). The cutting corners (26) are disposed inwardly along the cutting edge (12) relative the safety corners (24). This way, inadvertent contact between an operator and a safety edge (28) would not be likely to cause injury since the safety corners (24) would be contacted first.

Cette invention concerne une lame (10) de couteau tout usage de forme trapézoïdale délimitée par un tranchant (12)et deux côtés (16) convergeant vers une rive arrière non coupante (14). la rencontre des côtés (16) et du tranchant (12) est prévu un bord de sûreté (28) essentiellement émoussé qui coupe le tranchant (12) selon un angle obtus. l'intersection des bords de sûreté (28) et des côtés (16) est prévu un coin de sûreté (24) qui forme l'extrémité latérale de la lame (10) la plus éloignée du tranchant (12). Des coins coupants (26) sont formés par l'intersection des bords de sûreté (28) et du tranchant (12), les bords de sûreté étant orientés vers l'intérieur par rapport aux coins de sûreté. Cette disposition fait en sorte que l'utilisateur qui touche par inadvertance au bord de sûreté (28) de la lame ne risque pas de se blesser, le contact se faisant d'abord avec le coin de sûreté (24) émoussé et non avec le coin coupant.

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