PROBLEM TO BE SOLVED: To provide a seat back frame structure capable of effectively absorbing an impact without inhibiting entry of an occupant upper body into a seat back in a rear collision.SOLUTION: A seat back frame structure includes a right and left pair of vertical frames 11 forming at least part of a backrest part of a vehicle seat 1, a horizontal frame 20 including a frame body part 21 extending in a right and left direction and a right and left pair of assembly parts 22 provided at the right and left ends of the frame body part 21, and a right and left pair of holding mechanisms 32 and 33 assembled to the right and left pair of the assembly parts 22 for holding the horizontal frame 20 with respect to the vertical frames 11. The assembly parts 22 are configured so as to regulate a vertical movement of the frame body part 21 with respect to the vertical frames 11 in a state that the holding mechanisms 32 and 33 are assembled, and enable a rearward movement of the frame body part 21 with respect to the vertical frames 11.SELECTED DRAWING: Figure 2

    【課題】シートバックフレーム構造に関し、後突時における乗員上体のシートバックへの進入を阻害することなく、衝撃を効果的に吸収する。【解決手段】車両用シート1の背もたれ部の少なくとも一部を形成する左右一対の縦フレーム11と、左右方向に延びるフレーム本体部21及び、フレーム本体部21の左右両端に設けられた左右一対の組み付け部22を含む横フレーム20と、左右一対の組み付け部22に組み付けられて縦フレーム11に対して横フレーム20を保持する左右一対の保持機構32,33とを備え、組み付け部22は、保持機構32,33が組み付けられた状態で、縦フレーム11に対するフレーム本体部21の上下移動を規制すると共に、縦フレーム11に対するフレーム本体部21の後方移動を可能に形成されている。【選択図】図2


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    Title :

    SEAT BACK FRAME STRUCTURE


    Additional title:

    シートバックフレーム構造


    Contributors:

    Publication date :

    2016-04-21


    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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