A lumbar adjuster for use in a vehicle seat and including a wire frame, a lumbar mat, an adjustment mechanism, and an arbor. The wire frame configured to be fixed to a backrest and including a first lateral portion, a second lateral portion and a transverse portion extending therebetween. The lumbar mat configured to face towards a backrest cushion when the lumbar adjuster is assembled to the vehicle seat. The adjustment mechanism connected to and configured to move along the first and second lateral portions and including a lever arm and a gear train operatively connected to and operable to articulate the lever arm to move a portion of the lumbar mat towards and away from the backrest cushion. The arbor connected to the transverse portion of the wire frame and the adjustment mechanism to fix the adjustment mechanism relative to the transverse portion.
Lumbar adjustment assembly
2023-11-21
Patent
Electronic Resource
English
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
LUMBAR SUPPORT CURVATURE ADJUSTMENT MECHANISM AND ADJUSTABLE LUMBAR SUPPORT
European Patent Office | 2025
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