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
2022-09-13
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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