Clamping element for workpieces, especially vise

B - Operations – Transporting – 25 – B

Patent

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Details

B25B 1/24 (2006.01) B25B 1/18 (2006.01)

Patent

CA 2570084

The invention relates to a clamping element for workpieces, especially a vise (10, 33, 40), comprising a first clamping jaw (12, 34, 41) and a second clamping jaw (13, 35, 42) which are mounted on a carriage base (11). In order to prevent bending moments that act upon the carriage base (1) due to the clamping forces, the inventive clamping element is characterized in that the resultant forces introduced into the carriage base (11) by the clamping jaws (12, 13, 34, 35, 41, 42) due to the clamping forces that affect the clamping jaws (12, 13, 34, 35, 41, 42) lie on the plane of the neutral fiber (32) of the carriage base (11). Preferably, the clamping jaws (12, 13, 41, 42) are embodied as levers of the first class. A clamping surface (21, 24) is assigned to one lever arm while a push rod (27, 46) engages on the other lever arm.

L'invention concerne un élément de serrage de pièces, notamment un étau (10, 33, 40) comprenant une première mâchoire de serrage (12, 34, 41) et une deuxième mâchoire de serrage (13, 35, 42) qui sont montées sur une base de chariot (11). Pour éviter les couples de flexion dus aux forces de serrage sur la base de chariot (1), l'élément de serrage selon l'invention est caractérisé en ce que les forces résultantes, introduites dans la base du chariot (11) par les mâchoires (12, 13, 34, 35, 41, 42) et dues aux forces de serrage appliquées sur les mâchoires (12, 13, 34, 35, 41, 42), se situent dans le plan des fibres neutres (32) de la base de chariot (11). De préférence, les mâchoires de serrage (12, 13, 41, 42) sont réalisées comme des leviers à deux bras, un bras étant associé à une surface de serrage (21, 24) et une tige de poussée (27, 46) entrant en contact avec l'autre bras.

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