PROBLEM TO BE SOLVED: To provide a leaf suspension structure for a vehicle of parent and child spring type in which a relation between a load and a deflection amount of a spring in an entire suspension device is linear even in a load region larger than a transition point.SOLUTION: At least one end of a leaf spring 14a which is a part constituting an auxiliary spring 14 is configured as an eye 15 being wound upward. On a roller 16 provided rotatably along a lower surface of a helper bracket 13 on a side rail 1 side, the eye 15 is rotatably wound, and expansion/contraction in length direction caused by deflection of the auxiliary spring 14 is absorbed by rotation along the lower surface of the helper bracket 13 of a rolling part 17 consisting of the eye 15 and the roller 16.

    【課題】交会点より大きい荷重域においても、サスペンション装置全体のばね撓み量と荷重の関係が線形となる親子ばね式の車両用リーフサスペンション構造を提供する。【解決手段】補助ばね14を構成する一部の板ばね14aの少なくとも一端を上向きに巻いたアイ15として構成し、且つサイドレール1側のヘルパーブラケット13下面に沿って転がり自在に装備したローラ16に対し前記アイ15を回動自在に巻き掛けるようにし、アイ15とローラ16からなる転がり部17のヘルパーブラケット13下面に沿った回動により前記補助ばね14の撓みによる長手方向の伸び縮みを吸収するよう構成する。【選択図】図1


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    Title :

    LEAF SPRING STRUCTURE FOR VEHICLE


    Additional title:

    車両用リーフスプリング構造


    Contributors:

    Publication date :

    2015-12-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / F16F SPRINGS , Federn



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