A system is disclosed. The system includes a passenger seat. The passenger seat includes a seatback comprising one or more guide tracks and a headrest configured to couple to the seatback. The headrest includes a head portion and a lumbar portion. 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 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 coupled to the one or more brackets, 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 configured to guide the cable through the cable route.
ADJUSTABLE BACK AND LUMBAR SUPPORT
10.03.2022
Patent
Elektronische Ressource
Englisch
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
LUMBAR SUPPORT CURVATURE ADJUSTMENT MECHANISM AND ADJUSTABLE LUMBAR SUPPORT
Europäisches Patentamt | 2025
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