Patent ID: 6179327
Filing Date: 2001-01-30
Classification: B60R

Abstract:
A roll bar, for topless motor vehicles, to provide protection to a vehicle occupant from pressure, bending, and abrasion loads in event of an accident, comprisingat least one shell having an inverted ""U"" shape with a substantially flat main surface parallel to a plane defined by the inverted ""U"" shape,at least one convex portion formed in said main surface,each said convex portion having a shape, size and geometrical arrangement adapted to absorb a portion of the loads encountered in event of an accident,said inverted ""U"" shaped shell having a top apex portion and two leg portions extending downwardly from said apex portion,an inner edge along an inside periphery of said top apex and legs, andan outer edge along an outside periphery of said top apex and legs,said at least one shell having a plurality of elongated convex portions with a rounded cross-section, with such convex portions being longitudinally directed toward the top apex portion with one longitudinal end of each elongated convex portion being within one of the edge portions of the shell.