Combination wrench

B - Operations – Transporting – 25 – B

Patent

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Details

B25B 13/04 (2006.01) B25B 13/08 (2006.01) B25B 13/56 (2006.01) B25B 23/00 (2006.01)

Patent

CA 2745263

The invention relates to a wrench comprising a multi-jaw arrangement (5, 8) for the torque-transmitting and partially encircling grasp on a polygonal profile (13) of an inner opening (3) having a nut or a screw head, wherein a radial jaw opening (3') is associated to the inner opening (3) and at least two corner regions (6) of the multi jaw arrangement (5, 8) have in each case a stop (4) for a front face section (16) of the polygonal profile (13). In order to widen the spectrum of applications of said wrench, it is proposed that the jaw opening (3') comprises as a wrench opening two opposite jaws (7), which extend on only one broadside over the corner regions (6) of the multi jaw arrangement (5, 8), for the torque-transmitting grasp on the polygonal profile (13).

L'invention concerne une clé pourvue d'une ouverture intérieure (3) présentant un ensemble de mâchoires multiples (5, 8) destinées à venir en prise sur un profil polygonal (13) d'un écrou ou d'une tête de vis en entourant partiellement celui-ci de manière à transmettre un couple. Une ouverture de mâchoire (3') radiale est associée à l'ouverture intérieure (3) et au moins deux zones d'angle (6) de l'ensemble de mâchoires multiples (5, 8) présentent chacune une butée (4) pour une partie de face (16) du profil polygonal (13). L'invention vise à étendre le spectre d'application de cette clé. À cet effet, l'ouverture de mâchoire (3'), en tant qu'ouverture de clé destinée à venir en prise sur le profil polygonal (13) de manière à transmettre un couple, présente deux mâchoires (7) opposées qui s'étendent sur les zones d'angle (6) de l'ensemble de mâchoires multiples (5, 8) uniquement sur un côté large.

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