Operating knob, e.g. for motor vehicle radio, has a Cardanic coupling element between an activation element and force application shaft that reduces play and problems with lighting

摘要

Operating element (1) has an activation part (3), a coupling element and an adjustment element, particularly one that it linked to a shaft (14) or axle. The coupling element serves to connect activation part and adjustment element (17, 14). The inventive coupling element comprises a Cardanic transfer element (13) for transfer of pressure and or rotation forces between the activation part and the adjustment element.