Fixing system for fixing sheet of longitudinal suspension arm on wheel hub holder of running gear of car, has upper fixing screw comprising annular pad under its head, where pad is tightened axially in rear hollow of embossing on face

摘要

The system has a longitudinal suspension arm (20) whose sheet is flatly positioned on a plane face of a wheel hub holder (2). The sheet has a hole crossed by an upper fixing screw (24), which is engaged in a hole of the holder so as to be tightened. The hole of the holder has a conical input chamfer. The sheet has a stamping of contour of its hole to realize an embossing cantered on the hole and turned toward a support, where the embossing in chamfer is adjusted. The screw has an annular pad under its head, where pad is axially tightened in rear hollow of embossing on a face opposed to holder. An independent claim is also included for a suspension arm and a hub holder assembly for a car.