Importance

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Abstract

A vehicle space frame for constructing a motor vehicle includes a body module and a front module. The body module includes a pair of laterally spaced, longitudinally extending main side rail structures and a pair of rearward-most upright structures each being connected to a respective main side rail structure and extending upwardly therefrom to form a pair of rearward-most pillars thereon. The body module further includes a pair of hydroformed upper longitudinal members each being defined by an outwardly deformed tubular metallic wall fixed in a predetermined irregular exterior surface configuration and each including a pillar-forming portion and a longitudinally extending portion. Each pillar-forming portion is connected to a respective main side rail structure and extends upwardly therefrom to form an A pillar and each longitudinally extending portion is connected at an opposite end portion thereof with an associated one of the, rearward-most pillars, thereby defining, a longitudinal length between the associated A- and rearward-most pillars. A plurality of connecting structures are included in the body module and are constructed and arranged to secure the main side rail structures, the upper longitudinal members, and the pairs of pillars in laterally spaced fixed relation. The front module includes a pair of front lower side rail structures, a pair of front upper side rail structures and front connecting structure. The front connecting structure is constructed and arranged to connect the front lower side rail structures to one another in laterally spaced relation and to connect the front upper side rail structures to one another in laterally spaced relation. The front module is rigidly fixed to the body module by rigidly interconnecting each front lower side rail structure with a respective main side rail structure and each front upper side rail structure to the associated A pillar of a respective hydroformed upper longitudinal member at a position spaced upwardly from the associated main side rail structure.

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First Claim