Mixed unlocking coupler for heavy-construction machine

E - Fixed Constructions – 02 – F

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Details

E02F 3/36 (2006.01)

Patent

CA 2650045

The invention concerns a coupler comprising a cam (211) for locking a tool (100) with the coupler (200), characterized in that the cam (211) comprises for bringing the cam into a locking position, an articulation (213) with a connecting rod (209) itself connected through a bearing (206) to a piston (209) mobile in a bore (203) of the coupler body (200), said piston being subjected to the action of a spring (208), a chamber (220), opening on to a conduit (223), being formed by the piston (205) and the base of the bore (203), and means (215) for being connected to an unlocking object for applying an unlocking torque on the cam.

L'invention concerne un coupleur comportant une came (211) de verrouillage d'un outil (100) avec le coupleur (200), caractérisé en ce que la came (211) comprend d'une part pour l'amenée de la came dans une position de verrouillage, une articulation (213) avec une bielle (209) elle- même reliée par un palier (206) à un piston (205) mobile dans un alésage (203) du corps du coupleur (200), ledit piston étant soumis à l'action d'un ressort (208), une chambre (220), ouverte sur un conduit (223), étant formée par le piston (205) et le fond de l'alésage (203), et d'autre part des moyens (215) de liaison avec un objet de déverrouillage permettant d'exercer un couple de déverrouillage sur la came.

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