According to an embodiment, a coil spring is formed of a wire wound in a helical shape, and includes an end turn portion and an effective portion. A surface of the wire in the end turn portion has a first area and a second area softer than the first area. Further, in a circumferential direction around an axis of the wire, the second area is formed over a range wider than that of the first area.


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    Titel :

    COIL SPRING, SUSPENSION DEVICE, AND COIL SPRING MANUFACTURING METHOD


    Beteiligte:
    OKABE SATOSHI (Autor:in) / TAKAHASHI KEITA (Autor:in) / MINO YOSHINOBU (Autor:in) / KUMAI SHINTARO (Autor:in)

    Erscheinungsdatum :

    17.07.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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