Control element comprises seat bladder that is filled with fluid for contour adjustment of vehicle seat which has two bladder walls which are fluid tight connected with each other by weld seam

摘要

The control element comprises a seat bladder (1) that is filled with a fluid for contour adjustment of a vehicle seat which has two bladder walls (2) which are fluid tight connected with each other by a weld seam. A spring ring (5) is arranged in an inner space of the seat bladder that is formed by the bladder walls, which circumferentially rests against a connection area (6) of the connected bladder walls. The spring ring is formed of plastic or metal.