A system is disclosed. The system includes a passenger seat (100). The passenger seat includes a seatback (120) comprising one or more guide tracks (200) and a headrest (130) configured to couple to the seatback. The headrest includes a head portion (140) and a lumbar portion (150). The lumbar portion is configured to separate from the head portion and translate to a lumbar portion of the seatback. The lumbar portion includes one or more brackets (210) configured to slide along the one or more guide tracks. The passenger seat further includes a translation assembly mechanically coupled to the seatback and the lumbar portion. The translation assembly includes a cable (410) coupled to the one or more backets, wherein a movement of the cable corresponds to a translation of the lumbar portion. The translation assembly further includes a cable route. The translation assembly further includes one or more pulleys (420,430) configured to guide the cable through the cable route.
ADJUSTABLE BACK AND LUMBAR SUPPORT
VERSTELLBARE RÜCKEN- UND LENDENWIRBELSTÜTZE
SUPPORT DORSAL ET LOMBAIRE RÉGLABLE
09.03.2022
Patent
Elektronische Ressource
Englisch
LUMBAR SUPPORT CURVATURE ADJUSTMENT MECHANISM AND ADJUSTABLE LUMBAR SUPPORT
Europäisches Patentamt | 2025
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