Obscure bearing structure for cabriolet vehicle, has side portions and connecting sections that are formed together as thin-walled extruded section, and hollow chambers formed in regions between adjacent side portions

摘要

The obscure bearing structure (1) has several side portions (8-11) that are connected with each other through connecting sections (12a,12b,13a,13b,14a,14b). The side portions and the connecting sections are formed together as a thin-walled extruded section made of aluminum material. Hollow chambers (15-17) are formed in the regions between adjacent side portions. The wall thickness of the side portion is set different from the wall thickness of the connecting section.