Plastics support shell for vehicle seat

摘要

The shell comprises a strip shaped spring regions (7-15) which rise above the shell base (16) in an arching manner. Two sorts of spring regions (5,9,11,13,15) and (8,10,12,14) with different heights are arranged in an alternating sequence. The material thickness of the spring regions is different from the material thickness of the shell. The spring regions differ in material thickness from each other.