Adjustment mechanism for a power seat
AssigneeGM Global Technology Operations LLC
InventorsNithish Sukumar, Prathiba R
Life of this patent
Estimating the term…
Abstract
An adjustment mechanism for a motor vehicle seat includes an annular motor with an inner nut housed in a rotor, a bracket attached to the seat, the annular motor being positioned in the bracket, and a lead screw that is threaded through the inner nut. When the annular motor is activated the rotor as well as the inner nut rotate about the lead screw resulting in relative translational motion of the bracket and hence the seat relative to the lead screw.
Claims17
An adjustment mechanism for a motor vehicle seat, the adjustment mechanism comprising:
- an annular motor with an inner nut housed in a rotor;
- a bracket attached to the seat, the annular motor being positioned in the bracket;
- and
- a lead screw that is threaded through the inner nut;
- a single main motor;
- and
- a single gear box, the single main motor being directly coupled to the single gear box, the single gear box being coupled to the lead screw,
- wherein when the annular motor is activated the rotor as well as the inner nut rotate about the lead screw resulting in relative translational motion of the bracket and hence the seat relative to the lead screw.
An adjustment mechanism for a motor vehicle seat, the adjustment mechanism comprising:
- an annular motor with an inner nut housed in a rotor;
- a bracket attached to the seat, the annular motor being positioned in the bracket;
- a lead screw that is threaded through the inner nut, the rotor as well as the inner nut rotating about the lead screw when the annular motor is activated resulting in relative translational motion of the bracket and hence the seat relative to the lead screw;
- a single main motor;
- and
- a single gear box, the single main motor being directly coupled to the single gear box, the single gear box being coupled to the lead screw,
- the lead screw rotating within the inner nut when the main motor is activated resulting in relative translational motion of the bracket and hence the seat relative to the lead screw.
A seat assembly for a motor vehicle, the seat assembly comprising:
- an adjustment mechanism that includes:
- an annular motor with an inner nut housed in a rotor;
- a bracket attached to the seat, the annular motor being positioned in the bracket;
- a lead screw that is threaded through the inner nut, the rotor as well as the inner nut rotating about the lead screw when the annular motor is activated resulting in relative translational motion of the bracket and hence the seat relative to the lead screw;
- a single main motor;
- and
- a single gear box, the single main motor being directly coupled to the single gear box, the single gear box being coupled to the lead screw
- the lead screw rotating within the inner nut when the main motor is activated resulting in relative translational motion of the bracket and hence the seat relative to the lead screw;
- and
- a roller guide that is enables movement of the seat relative to a floor of a cabin.
Dependencies are inferred from the claim text.