To provide a reinforcement structure of a seat cushion frame capable of improving torsion rigidity of a rear frame relative to prior ones, and improving collision safety from a rear side on the whole seat cushion frame.SOLUTION: A reinforcement structure of a seat cushion frame 12 comprises: a rear frame 12a; and an intermediate intensity member 20 which is fixed to an outer peripheral surface of the rear frame 12a and supports the seat back frame 13. The intermediate intensity member 20 comprises first and second split bodies 21, 22 which comprise: a web part 21a, 22a and flange parts 21b, 22b, 21c, 22c provided between both side edges of the web part, which are formed into a turned U-shape in a cross section, which are assembled and integrated as the intermediate intensity member 20. Out of the first and second split bodies 21, 22 formed into the turned U-shape in the cross section, the flange parts 21c, 22c arranged on a rear frame 12a side comprise a fixing surface fixed to an outer peripheral surface of the rear frame 12a.SELECTED DRAWING: Figure 13

    【課題】後部フレームの捩じり剛性を従来に比して向上させ、延いては、シートクッションフレーム全体における後方からの衝突安全性を向上させる。【解決手段】後部フレーム12aと、後部フレーム12aの外周面に固定されるとともにシートバックフレーム13を支持する中間強度部材20と、を備えたシートクッションフレーム12の補強構造において、中間強度部材20は、それぞれがウェブ部21a,22aとその両側縁に設けられたフランジ部21b,22b・21c,22cとを有して断面コ字状に形成され、互いに組み合わされて中間強度部材20として一体化される第一分割体21及び第二分割体22からなり、断面コ字状に形成された第一分割体21及び第二分割体22のうち、後部フレーム12a側に配置されたフランジ部21c,22cが、後部フレーム12aの外周面に固定される固定面を構成している。【選択図】図13


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    Title :

    REINFORCEMENT STRUCTURE OF SEAT CUSHION FRAME


    Additional title:

    シートクッションフレームの補強構造


    Contributors:

    Publication date :

    2020-01-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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