To make it difficult to apply large force to a part formed with a central protrusion part of a rear end face of a trailing arm when the large force from a carrier transfers to a rear end part without making the weight larger.SOLUTION: The trailing arm comprises a first plate part 21 which extends in a cross direction, a second plate part 25 which is positioned in a downward direction of the first plate part and extends in a cross direction and a central protrusion part 29 which extends in a cross direction while positioned between the first plate part and the second plate part and protrudes from the first plate part and the second plate part to the inside of a vehicle width direction. It also comprises a central plate part 30 which is formed with an attached part supported to a carrier on a rear end part of the first plate part and in which the central protrusion part is positioned in the inside of the first plate part and the second plate part, an upward side connection part 31 which connects a lower edge part of the first plate part with an upper edge part of the central plate part and a downward side connection part 32 which connects an upper edge part of the second plate part with a lower edge part of the central plate part and is formed on the upward side connection part and the first plate part with a reinforcement rib 31a which is positioned just under the attached part and at the same time is spaced apart from a rear end face of the trailing arm 20 to a frontward direction and protrudes in an inner side.SELECTED DRAWING: Figure 2

    【課題】重量を大きくすることなく、後端部にキャリアから大きな力が伝わったときに、トレーリングアームの後端面の中央突条部が形成された部位に大きな力が掛かり難くする。【解決手段】前後方向に延びる第1板部21と、第1板部の下方に位置し、前後方向に延びる第2板部25と、第1板部と第2板部との間に位置しながら前後方向に延び、第1板部及び第2板部から車幅方向の内側に突出する中央突条部29とを備え、第1板部の後端部にキャリアに支持される被取付部が形成され、中央突条部が、第1板部及び第2板部より内側に位置する中央板部30と、中央板部の上縁部と第1板部の下縁部とを接続する上側接続部31と、中央板部の下縁部と第2板部の上縁部とを接続する下側接続部32とを備え、上側接続部及び第1板部に、被取付部の直下に位置すると共にトレーリングアーム20の後端面から前方に離間し、内側に突出する補強リブ31aが形成される。【選択図】図2


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    Titel :

    TRAILING ARM


    Weitere Titelangaben:

    トレーリングアーム


    Beteiligte:
    KATO SATOSHI (Autor:in)

    Erscheinungsdatum :

    2019-10-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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