PROBLEM TO BE SOLVED: To provide a lumbar support device that adjusts the position of a lumbar support by the advance and retreat of a rectilinear movement member capable of connecting the rectilinear movement member and a movable member (mat member) connected to the rectilinear movement member for adjusting the position of the lumbar support by a simple configuration.SOLUTION: A lumbar support device includes a slider 60 that rectilinearly moves by a drive part; a mat member having one end part supported by a seat frame, and having the other end part pressed to the one end part by the slider 60 so as to be curved and deformed; and a reinforcement connection body 70 that is supported by the mat member and enhances the rigidity of the mat member, and that connects the mat member with the slider 60.SELECTED DRAWING: Figure 9
【課題】直進移動部材の進退でランバーサポートの位置を調整するランバーサポート装置において、直進進退部材と、該直進進退部材に結合されてランバーサポート位置を調整する可動部材(マット部材)を、簡易な構造で結合できるランバーサポート装置を得る。【解決手段】駆動部によって直進移動するスライダ60と;一端部が上記シートフレームに保持され、他端部が上記スライダ60によって上記一端側へ押圧されることで湾曲変形するマット部材と;上記マット部材に支持されて該マット部材の剛性を高め、かつ上記マット部材と上記スライダ60を結合する補強結合体70とを有するランバーサポート装置。【選択図】図9
LUMBAR SUPPORT DEVICE
ランバーサポート装置
2016-05-09
Patent
Electronic Resource
Japanese