Roof roller blind system for a motor vehicle and method for mounting a roof roller blind system for a motor vehicle

摘要

A roof roller blind system for a motor vehicle, having a spring cartridge and a winding shaft is described, wherein the winding shaft comprises a non-circular inner cross-section, wherein an end portion of the spring cartridge contacts the inner cross-section of the winding shaft at least in portions in a torque-transmitting manner. A method for mounting a roof roller blind system for a motor vehicle is also described.