Variable lumbar support assembly
AssigneeToyota Motor Engineering & Manufacturing North America, Inc.
InventorsTodd Rupert Muck, John Fredrik Runske
Life of this patent
Estimating the term…
Abstract
A variable lumbar support assembly for a seatback of a vehicle seat assembly includes a support bracket and a lumbar member. The support bracket has an upper end, an opposite lower end, and a pair of side rails extending between the upper end and the lower end. The support bracket has a curved central portion positioned between the upper and the lower end. The lumbar member is slidingly attached to the pair of side rails of the support bracket. The slidingly attachment of the lumbar member along the pair of slide rails provides both a vertical displacement and a fore and aft displacement of the lumbar member.
Claims20
A variable lumbar support assembly for a seatback seat assembly, said lumbar support comprising:
- a support bracket having an upper end and an opposite lower end, and a pair of side rails extending between said upper end and said lower end;
- said support bracket having a curved central portion, said support bracket having a first longitudinal direction;
- and
- a lumbar member slidingly attached to said pair of side rails of said support bracket, upon sliding movement of said lumbar member along said pair of side rails over said curved central portion said lumbar member is displaced in said first longitudinal direction and a second direction that is generally normal to said first direction.
A seatback assembly for supporting an occupant, said seat assembly comprising:
- a seatback frame;
- a seatback cushion covering said seatback frame;
- a support bracket secured to said seatback frame, said support bracket having an upper end and an opposite lower end, and a pair of side rails extending between said upper end and said lower end;
- said support bracket having a curved central portion;
- and
- a lumbar member slidingly attached to said pair of side rails of said support bracket, upon sliding movement of said lumbar member along said pair of side rails over said curved central portion said lumbar member is displaced in said first longitudinal direction and a second direction that is generally normal to said first direction.
Dependencies are inferred from the claim text.