Corner region between lateral and rear roof frames on a...

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 25/08 (2006.01) B62D 25/12 (2006.01) E05F 1/10 (2006.01)

Patent

CA 2439486

The invention relates to a corner region between lateral and rear roof frames on a motor vehicle with a hatchback door and method for production thereof. According to the invention, the capacity for the vehicle shell to take mechanical forces acting in the region of the roof may be improved, whereby the corner region is formed from the shell-shaped components (7,8) of the rear roof frame (4), a D-column (3) on the motor vehicle and a hollow profile (6), blow moulded by means of a high internal pressure. The components of the hollow profile are permanently connected to each other and the hollow profile is embodied as a branching piece (6), with a first open end (16) connected to the D-column, a closed neck extension (17), aligned with the first open end, connected to the shell components of the lateral roof frame (5) and a second open end (18), leading off at an angle from the longitudinal section of the hollow profile, stretching from the first open end (16) over the neck extension (17) and connected to the components (7,8) of the rear roof frame.

L'invention concerne une zone d'angle entre une baie latérale et une baie arrière d'un véhicule automobile à hayon et son procédé de fabrication. L'objectif de cette invention est d'améliorer de manière simplifiée la prise de forces mécaniques agissant sur la coque du véhicule au niveau du toit. A cet effet, ladite zone d'angle est formée à partir de composants en forme de coques (7, 8) de la baie arrière (4), d'un montant D (3) du véhicule automobile (1) et d'un profilé creux (6) formé sous haute pression interne, ces composants et le profilé creux étant assemblés de façon permanente. En outre, ce profilé creux, conçu sous la forme d'une pièce de dérivation (6), présente une première extrémité ouverte (16) reliée au montant D (3), une extension fermée (17) alignée avec la première extrémité ouverte et reliée à des composants de type coques de la baie latérale (5) ainsi qu'une deuxième extrémité ouverte (18) formant une courbe depuis la section longitudinale du profilé creux, qui s'étend de la première extrémité ouverte (16) à l'extension (17), et reliée aux composants (7, 8) de la baie arrière.

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