Drive device

A vehicle seat comprising:

• a seat cushion with a frame;
• a subframe;
• a height adjuster, by means of which a height of the seat cushion may be adjusted via the subframe, and/or an inclination adjuster and/or a backrest adjuster, the height adjuster or inclination adjuster or backrest adjuster comprising a drive device, the drive device comprising:
• an output associated with the vehicle seat, the output being articulated to the frame and being pivotable relative thereto about an axis;
• a geared fitting with two fitting parts thereof in a drive situation, performing a relative rotational movement with a superimposed wobble motion, one of the fitting parts acting on the output and the other fitting part being supported on the frame;
• and
• a transmission element between the fitting part acting on the output and the output, the transmission element being torsionally rigid in the circumferential direction of the axis and simultaneously flexible in the radial direction of the axis, wherein an end of the transmission element is fastened directly to the output and another end of the transmission element is fastened directly to the fitting part acting on the output.

A drive device for a vehicle seat the drive device comprising:

• a frame associated with the vehicle seat;
• a first output element and a second output element associated with the vehicle seat, said first output element and said second output element being articulated to the frame and said first output element and said second output element being pivotable relative to the frame about an axis;
• a geared fitting with two fitting parts thereof in a drive situation, performing a relative rotational movement with a superimposed wobble motion, one of the two fitting parts acting on said first output element and another one of said two fitting parts being supported on the frame;
• and
• a transmission structure extending between said first output element and said second output element, said transmission structure being torsionally rigid in a circumferential direction of the axis and simultaneously flexible in a radial direction of the axis, wherein an end of said transmission structure is coupled exclusively with said second output element and another end of the transmission structure is directly fastened to said one of the two fitting parts acting on said output element, said transmission structure defining a force transmission path means for transmitting a force acting on said first output element directly to said second output element.