Movable subframe for tractor-trailers

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 21/02 (2006.01)

Patent

CA 2608899

A movable subframe for a tractor-trailer includes a pair of elongated spaced- apart main members extending longitudinally relative to the tractor-trailer, at least one cross member extending between and being attached to the main members, and a retractable pin mechanism for selectively securing the position of the subframe relative to a body of the tractor-trailer. At least one of the main members includes at least one opening for receiving a pin of the retractable pin mechanism. The main member opening is formed in a shape, such as a D-shape, which reduces or minimizes distortion of the main member adjacent the top of the opening that is associated with forming of the main member.

L'invention concerne un faux cadre mobile destiné à un tracteur semi-remorque, comprenant une paire d'éléments principaux allongés, espacés, qui s'étendent dans le sens de la longueur par rapport au tracteur semi-remorque, au moins un élément transversal, disposé entre les éléments principaux et fixé à ces derniers, ainsi qu'un mécanisme de tige rétractable permettant de fixer de manière sélective la position du faux cadre par rapport à la carrosserie du tracteur semi-remorque. Au moins un des éléments principaux comporte au moins une ouverture destinée à recevoir une tige du mécanisme de tige rétractable. Cette ouverture possède une forme spéciale, en D, par exemple, permettant de réduire ou de minimiser la distorsion de l'élément principal à proximité du sommet de l'ouverture qui est associé au formage de l'élément principal.

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