To provide a cushion spring which can suppress variations of ischium support reaction force due to a difference in types of physique of seating crewmen.SOLUTION: A cushion spring 10 includes a formed wire 11 which is bridged on a seat cushion frame in a front-back direction. The formed wire 11 includes an ischium support part SA which supports the ischium of a seating crewman through a seat cushion pad 3. The ischium support part SA has a whole region R in a seat front-back direction between a first ischium support part SA1 to be a support part of the ischium when an AM95 mannequin is seated and a second ischium support part SA2 to be a support part of the ischium when a JM32 mannequin is seated so as to form a flush spring surface which does not bend in a seat vertical direction.SELECTED DRAWING: Figure 7

    【課題】着座乗員の体型の違いによる座骨支持反力のバラつきを抑制可能なクッションばねを提供すること。【解決手段】クッションばね10は、シートクッションフレームにシート前後方向に架橋されるフォームドワイヤ11を有する。フォームドワイヤ11は、シートクッションパッド3を介して着座乗員の座骨を支持する座骨支持部SAを有する。座骨支持部SAは、AM95のマネキンを着座させたときの座骨の支持部となる第1座骨支持部位SA1と、JM32のマネキンを着座させたときの座骨の支持部となる第2座骨支持部位SA2と、を含むこれらの間のシート前後方向の領域R全体において、シート上下方向の曲がりのない面一状のばね面を成す。【選択図】図7


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    Title :

    CUSHION SPRING


    Additional title:

    クッションばね


    Contributors:

    Publication date :

    2025-01-24


    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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