Anti-creep device for a trailer with air springs

B - Operations – Transporting – 60 – G

Patent

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Details

B60G 17/005 (2006.01) B60G 11/27 (2006.01)

Patent

CA 2250144

An anti-creep device for a trailer includes a support arm (250) adapted to be mounted to a trailer frame (14) proximate to a trailer axle (16) for rotational movement between a retracted position and an extended position. The support arm (250) includes a plurality of notches (252) extending along a length thereof. A support member (236) is adapted to be connected to the suspension and has at least one surface for receiving one of the support arm notches (252) when the support arm is in the extended position to prevent movement of the axle (16) toward the trailer frame (14) and thereby prevent the trailer frame from creeping. The notches (252) of the support arm (250) in the retracted position are disengaged from the support member (236) so that the axle is free to move with respect to the frame. An actuator (80) is associated with the support arm for rotating the arm at least to the extended position to thereby lock the frame at a selected height when the frame is raised with respect to the axle.

L'invention concerne un dispositif anti-glissement pour remorque, lequel comporte un bras de support (250) apte à être monté sur un bâti de remorque (14) à proximité d'un essieu de remorque (16) pour permettre un mouvement rotatif entre une position rentrée et une position sortie. Ce bras de support (250) comprend une pluralité d'encoches (252) s'étendant sur sa longueur. Un élément de support (236) est apte à être relié à la suspension et possède au moins une surface destinée à recevoir l'une des encoches (252) du bras de support lorsque ce dernier se trouve en position sortie pour empêcher le mouvement de l'essieu (16) par rapport au bâti de remorque (14) et empêcher ainsi le glissement de ce dernier. Les encoches (252) du bras de support (250) en position rentrée sont dégagées de l'élément de support (236) afin que l'essieu soit libre de se mouvoir par rapport au bâti. Un actionneur (80) est associé au bras de support pour le faire tourner au moins jusqu'à la position sortie et ainsi bloquer le bâti à une hauteur choisie lorsque celui-ci est remonté par rapport à l'essieu.

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