Assembly device with wandering ring for motor vehicle industry has screw with sector of diameter smaller than that of outer diameter of thread and shaft diameter

摘要

The assembly device includes a shell, a ring and a screw (1) having a thread (2), a shaft (3) and a head (4). The screw has a sector (5) between the thread and the shaft of the diameter smaller than that of the outer diameter of the thread and the shaft diameter. There is a cone (6) between this sector and the shaft. There is also an annular groove (7) in the shaft.