A safety knife or cutter

B - Operations – Transporting – 26 – B

Patent

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Details

B26B 5/00 (2006.01) B26B 25/00 (2006.01)

Patent

CA 2197101

A knife or cutter comprises a body (1) suitable to be gripped manually, a blade (2) projecting from the body (1), a guard plate (6) adjacent to the blade (2) and facing the cutting element thereof, and an attachment member (7) attaching the guard plate (6) to the body (1), the attachment member adjacent to its attachment to the guard plate being thin and being forward of the blade and aligned therewith, such that when material to be cut is introduced between the body and the guard plate, and pressure is applied on the body, the cutting element presses the material to be cut against the guard plate. The attachment member is preferably flexible. A groove (10) or slot is provided in the guard plate (6), aligned with the blade (2). Various forms of attachment member are described and illustrated. A knife is also described having a replaceable blade unit (14) comprising a multipoint blade (17) not rotatable mounted inside a housing, the blade being rotatable between rest positions in which all of the parts (18) of the blade are within the housing and cutting positions in which one of the points of the blade projects from the housing and extends outside the body.

Un couteau ou un cutter comprend un corps (1) prévu pour être tenu dans la main, une lame (2) faisant saillie hors du corps (1) une plaque de garde (6) jouxtant la lame (2) et faisant face à l'élément coupant de la lame, ainsi qu'un élément de fixation (7) pour fixer la plaque de garde (6) au corps (1). L'élément de fixation est mince près de son point de fixation à la plaque de garde et il est disposé à l'avant de la lame, en alignement avec celle-ci. De cette manière, quand on introduit un matériau à couper entre le corps et la plaque de garde et que l'on applique une pression au corps, l'élément coupant presse le matériau à couper contre la plaque de garde. L'élément de fixation est, de préférence, flexible. On prévoit une rainure (10) ou une fente dans la plaque de garde (6) en alignement avec la lame (2). On décrit différentes formes d'exécution de l'élément de fixation, illustrations à l'appui. On décrit également un couteau ayant une unité de lame remplaçable (14) comprenant une lame (17) à pointes multiples, montée à l'intérieur d'un logement, la lame pouvant tourner entre des positions de repos où toutes les parties (18) de la lame sont à l'intérieur du logement et des positions de coupe où une des pointes de la lame fait saillie hors du logement et à l'extérieur du corps.

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