Device for removably fixing two mechanical parts to one another

Details Device for removably fixing two mechanical parts to one another Device for removably fixing two mechanical parts to one another

E - Fixed Constructions

02

F

E02F 9/28 (2006.01)

Patent

CA 2555794

The invention relates to a device for removably fixing two mechanical parts to one another. The inventive device comprises: a pin which locks a first part in relation to a second part in a detachable manner, and a retaining element which is associated with the pin and an elastically-loaded tension element which co-operate in order to prevent the pin from leaving the locking position thereof. The invention is characterised in that the device also comprises at least two inclined surfaces which essentially take the form of a projection that extends along the axial axis of the pin, such that, when the pin rotates, the retaining element moves across said inclined surfaces and the pin moves between the locking position and the release position against the force exerted by the tension element in the direction of the axis of the pin. Moreover, the parts, which are solidly and securely fixed to one another during the earthmoving work, can be easily assembled and disassembled.

Le dispositif de fixation amovible de deux pièces mécaniques comprend une cheville bloquant de manière démontable une première pièce par rapport à une seconde pièce, un élément de retenue axé à la cheville, et un élément tenseur chargé élastiquement, qui collaborent pour éviter que la cheville ne sorte de sa position de blocage. Le dispositif est caractérisé en ce qu'il comprend en outre au moins deux surfaces inclinées dont la forme générale est celle d'une protubérance orientée dans le sens axial de la cheville, de manière que, lors de la rotation de la cheville, l'élément de retenue parcourt les surfaces inclinées et la cheville se déplace entre la position de blocage et la position de déblocage contre la force axiale sur l'axe de la cheville exercée par l'élément tenseur. Le montage et démontage des pièces s'effectuent de manière aisée, et la fixation pendant le travail de l'excavatrice est solide et fiable.

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