To disperse the body pressure according to the occupant's physique and seated posture.SOLUTION: A lumbar support device 16 includes a first adjustment member 40 and a second adjustment member 42 provided within a seat back 14 that supports an occupant's back. The first adjustment member 40 displaces a surface on an occupant side in the seat back 14 to the occupant side and an opposite side to the occupant by displacing the surface to the occupant side and the opposite side to the occupant, respectively. The second adjustment member is arranged on a seat upper side relative to the first adjustment member 40, and displaces the surface on the occupant side in the seat back 14 to the occupant side and the opposite side to the occupant by displacing the surface to the occupant side and the opposite side to the occupant, respectively, in coordination with the displacement of the first adjustment member 40.SELECTED DRAWING: Figure 1
【課題】乗員の体格や着座姿勢に合わせて体圧を分散させる。【解決手段】ランバーサポート装置16は、乗員の背部を支持するシートバック14内に設けられた第1調節部材40及び第2調節部材42を備えている。第1調節部材40は、乗員側及び乗員とは反対側に変位することでシートバック14における乗員側の面を乗員側及び乗員とは反対側に変位させる。第2調節部材は、第1調節部材40に対してシート上方側に配置され、第1調節部材40の変位に連動して乗員側及び乗員とは反対側に変位することでシートバック14における乗員側の面を乗員側及び乗員とは反対側に変位させる。【選択図】図1
LUMBAR SUPPORT DEVICE AND VEHICLE SEAT
ランバーサポート装置及び車両用シート
2024-11-08
Patent
Electronic Resource
Japanese