To provide a cushion body which secures a ventilation flow passage without disposing a duct for reinforcement, and suppressing deterioration of ventilation performance.SOLUTION: A cushion body 1 comprises: a back pad 2 having a recessed ventilation flow passage 24 extending along a pad rear face 22; and a planar flow passage lid 3 covered on the pad rear face 22 of the back pad 2 so as to cover the ventilation flow passage 24. The back pad 2 has an expanded flow passage part 24c in which a flow passage width of the ventilation flow passage 24 is partially expanded. The flow passage lid 3 has: a contact part 32 contacting the pad rear face 22; and a lid part 31 bent so as to cover the ventilation flow passage 24 including the expanded flow passage part 24c in a position backward to a sheet rear side relative to the contact part 32.SELECTED DRAWING: Figure 5

    【課題】補強のためのダクトを設けなくても通気流路を確保し、通風性能の低下を抑制するクッション体を提供すること。【解決手段】クッション体1は、パッド裏面22に沿って延びる凹状の通気流路24を有するバックパッド2と、通気流路24に蓋をするようにバックパッド2のパッド裏面22に被せられる面状の流路蓋3と、を有する。バックパッド2が、通気流路24の流路幅が部分的に拡張された拡張流路部24cを有する。流路蓋3が、パッド裏面22と当接する当接部32と、当接部32に対してシート裏側に退いた位置で拡張流路部24cを含む通気流路24に蓋をするように曲成された蓋部31と、を有する。【選択図】図5


    Access

    Download


    Export, share and cite



    Title :

    CUSHION BODY


    Additional title:

    クッション体


    Contributors:

    Publication date :

    2024-06-05


    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



    Cushion body

    ITO HIROYUKI / MURATA SEISHIRO / SHIOYA SATORU et al. | European Patent Office | 2018

    Free access

    Cushion body

    OCHIAI MITSUYOSHI / HAYASHIDA TETSUO / MURATA YOSHIYUKI et al. | European Patent Office | 2018

    Free access

    CUSHION BODY

    OHIRA SATORU | European Patent Office | 2024

    Free access

    CUSHION BODY

    OCHIAI JUKICHI / HAYASHIDA TETSUO / MURATA YOSHIYUKI et al. | European Patent Office | 2017

    Free access

    CUSHION BODY

    MINAMISHIMA TAKASHI / HARADA KOSUKE / ASANO NORIKIMI | European Patent Office | 2023

    Free access