Patent ID: 8356531

Claim:
An actuating element for a lordosis-support device driven by a traction rope, wherein a first deflecting element is mounted with a lever arm on a frame in such a way that it is pivotable about an actuating shaft, wherein the lever joins together the first deflecting element and the actuating shaft, wherein a fixed end of the traction rope is fastened to the frame at a fastening point and a free end of the traction rope is guided at least partially around the first deflecting element for actuating the device, and wherein a rope guiding element is arranged with the fastening point and the first deflecting element in such a way that a rope portion ending at and leading toward the first deflecting element and a rope portion starting at and leading away from the first deflecting element are guided approximately parallel in a starting position, and wherein a second deflecting element is provided in such a way that the traction rope at least partially orbits the second deflecting element in a deflected position.