To inhibit delay in expansion and deployment of a head chamber to a space between a shoulder belt and an occupant head.SOLUTION: A vehicle seat 10 includes: a seat body 12 in which an occupant P is restrained by a three point seat belt 32; a side airbag 42 which is stored folded along an area extending from an outer side part 16R as seen in a vehicle width direction to an upper end 16U through a top of a shoulder part 16S in a seat back 16 and in which a head chamber 42A and a body chamber 42B are expanded and deployed by a gas being supplied from an inflator; lower webbing 50, 52 each of which connects a surface cover 24 of the seat back 16 with a side frame 20A at the side part 16R and transmits an expansion pressure of the body chamber 42B to the surface cover 24 to cleave the surface cover 24; and upper webbing 54 which connects the surface cover 24 with an upper frame 20B at the upper end 16U and transmits an expansion pressure of the head chamber 42A to the surface cover 24 to cleave the surface cover 24.SELECTED DRAWING: Figure 5
【課題】ショルダベルトと乗員頭部との間への頭部チャンバの膨張展開遅れを抑制する。【解決手段】車両用シート10は、3点式のシートベルト32を用いて乗員Pが拘束されるシート本体12と、シートバック16における車両幅方向外側の側部16Rから肩口16Sを経て上端部16Uに沿って折り畳み状態で収納され、インフレータからのガスが供給されて頭部チャンバ42A及び胴部チャンバ42Bが膨張展開するサイドエアバッグ42と、側部16Rにおいてシートバック16の表皮24とサイドフレーム20Aとを連結し、胴部チャンバ42Bの膨張圧を表皮24に伝えて表皮24を開裂させる下方力布50、52と、上端部16Uにおいて表皮24とアッパフレーム20Bとを連結し、頭部チャンバ42Aの膨張圧を表皮24に伝えて表皮24を開裂させる上方力布54と、を備えている。【選択図】図5
VEHICLE SEAT EQUIPPED WITH SIDE AIRBAG DEVICE
サイドエアバッグ装置を搭載した車両用シート
2023-04-27
Patent
Electronic Resource
Japanese
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
VEHICLE SEAT EQUIPPED WITH SIDE AIRBAG DEVICE, AND SIDE AIRBAG DEVICE
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