Lumbar support 1 for a backrest 3 of a vehicle seat 2 comprising a wire structure 10, having a pair of wire guide members 12, 14, for mounting the lumbar support 1 within the vehicle seat 2; a main plate 20, supported by the wire guide members 10, 12, wherein the main plate 20 is linearly movable with respect to the wire guide members 10, 14; a position drive mechanism 30, for linearly moving the main plate 20 with respect to the wire structure 10, wherein the main drive mechanism 30 comprises a position electric motor 32 which is mounted to the main plate 20; a curvature drive mechanism 50, comprising an adjusting member 54, wherein the adjusting member 54 is supported by the main plate 20 and movable with respect to the main plate 20; at least one arching element 40, 42 suspended between the main plate 20 and the adjusting member 54; and a curvature electric motor 52 mounted to the main plate 20, for moving the adjusting member 54 to adjust the curvature of the at least one arching element 40, 42.
LUMBAR SUPPORT
LUMBALSTÜTZE
SUPPORT LOMBAIRE
2024-01-03
Patent
Electronic Resource
English
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