Coupling with direct transmission of the rotational movement...

F - Mech Eng,Light,Heat,Weapons – 16 – D

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Details

F16D 7/10 (2006.01) F16L 23/036 (2006.01)

Patent

CA 2551582

The invention relates to a coupling of the sort comprising at least one clamping jaw (11) adapted to be mounted on a first element (2) to couple the latter to a second element (3) by clamping the second element (3) against the first element (2), the clamping or releasing of the second element (3) resulting from a translational movement following an axis (34), while the disengagement or capture of this second element is due to a rotational movement of the clamping jaw (11) about the same axis (34), the clamping jaw comprising a bore (18) having a threaded part (19) forming a nut (13) in which is engaged an actuation bolt (12) defining said axis (34) and able to drive the clamping jaw (11) in translation following the latter, characterized in that the torque limitation means (25, 28) able to engage the actuation bolt (12) and the clamping jaw (11), by means of the bore (18) of this clamping jaw (11), allow the transmission of the rotational movement of the actuation bolt (12) directly to the clamping jaw (11) and, consequently, the driving of this clamping jaw (11) in rotation about said axis (34).

L'invention concerne un couplage du type comprenant au moins une mâchoire de serrage (11) conçue pour être montée sur un premier élément (2) en vue du couplage de ce dernier à un second élément (3) par serrage du second élément (3) contre le premier élément (2), le serrage ou la libération du second élément (3) résultant d'un mouvement de translation suivant un axe (34), la désolidarisation ou la capture du second élément étant due à un mouvement de rotation de la mâchoire de serrage (11) autour de ce même axe (34). La mâchoire de serrage comprend un alésage (18) possédant une partie filetée (19) formant un écrou (13) dans lequel on introduit un boulon d'actionnement (12) définissant cet axe (34) et permettant d'entraîner la mâchoire de serrage (11) en translation. L'invention se caractérise en ce qu'on utilise des éléments de limitation de couple (25, 28) pouvant entrer en prise avec le boulon d'actionnement (12) et la mâchoire de serrage (11) au moyen de l'alésage (18) de la mâchoire de serrage (11), et permettant la transmission du mouvement de rotation du boulon d'actionnement (12) directement à la mâchoire de serrage (11) et, par conséquent, l'entraînement de cette mâchoire de serrage (11) en rotation autour dudit axe (34).

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