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US 2026/0014908 A1Published application
Multi-way lumbar support system
AssigneeLear Corporation
InventorsPeter OEBERG, Daniel JOSEFSSON
Life of this patent
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Abstract
A support system for a seat includes a suspension coupled to the frame of a seatback. A plurality of pneumatic cells are coupled to the suspension. Each pneumatic cell is expandable and independently controllable to expand between a first position and a second position. A flexible reaction surface covers a forward surface of the plurality of air cells and the reaction plate maintains a smooth transition surface when each of the plurality of pneumatic cells is expanded to the first and second positions.
Claims22
A support system for a seat, the system comprising:
- a suspension coupled to a frame of a seatback;
- a plurality of pneumatic cells coupled to the suspension, each pneumatic cell expandable and independently controllable to expand between a first position and a second position;
- and
- a flexible reaction surface covering a forward surface of the plurality of pneumatic cells, wherein the reaction plate maintains a smooth transition surface between each of the pneumatic cells when each of the plurality of pneumatic cells is expanded to the first and second positions.
1 more element
(canceled)
-14. (canceled)
Dependencies are inferred from the claim text.