To improve a vibration absorption characteristic.SOLUTION: A seat cushion 100 includes a base layer 120 for a seat cushion which has an elastic member 1220 for base support sections which energizes two base support sections 1210 in an approach direction and elastically deforms the base support sections in a vertical direction. Accordingly, the seat cushion 100 is configured to have a high spring characteristic. In the seat cushion 100 and a seat back 200, the seat cushion 100 is set to be larger than the seat back 200, regarding a ratio (load characteristic area ratio) of area in a range including a return path curve to area in a range including a going path curve, of a range for connecting an origin, a maximum displacement point, and a maximum load point in a prescribed load-deflection characteristic.SELECTED DRAWING: Figure 1

    【課題】振動吸収特性を向上させる。【解決手段】シートクッション100が、2つのベース支持部1210同士を接近方向に付勢すると共に、上下方向に弾性変形するベース支持部用弾性部材1220を有するシートクッション用ベース層120を備え、それにより、該シートクッション100をばね特性の高い構成としている。シートクッション100及びシートバック200において、所定の荷重−たわみ特性における原点、最大変位点、最大荷重点を結び、かつ、往路曲線を含む範囲の面積に対する復路曲線を含む範囲の面積の比率(荷重特性面積比)に関し、シートクッション100の方がシートバック200よりも大きくなるように設定した構成となっている。【選択図】 図1


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    Title :

    SEAT CUSHION OF VEHICULAR SEAT AND VEHICULAR SEAT


    Additional title:

    乗物用シートのシートクッション及び乗物用シート


    Contributors:

    Publication date :

    2019-05-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / A47C Stühle , CHAIRS



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