A coil spring includes a wire rod and an elastic coat provided on the wire rod. The coil spring includes a coil section including a plurality of coil portions. The wire rod includes a round cross-sectional portion, a cross-section varying portion, and a rectangular cross-sectional portion along the longitudinal direction of the wire rod. The cross section of the rectangular cross-sectional portion is substantially square and has a first plane and a second plane. The first plane and the second plane oppose each other in the coil section. The elastic coat is provided on at least one of the first plane and the second plane. The elastic coat is continuous from the round cross-sectional portion to the cross-sectional variation portion and the rectangular cross-sectional portion.


    Access

    Download


    Export, share and cite



    Title :

    Coil spring


    Contributors:

    Publication date :

    2024-03-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    COIL SPRING

    NISHIZAWA SHINICHI | European Patent Office | 2018

    Free access

    Coil spring

    NISHIZAWA SHINICHI / FURUSE TAKESHI / MORIYAMA SENRI | European Patent Office | 2023

    Free access

    COIL SPRING

    NISHIZAWA SHINICHI | European Patent Office | 2018

    Free access

    COIL SPRING

    NISHIZAWA SHINICHI | European Patent Office | 2022

    Free access

    Coil spring

    NISHIZAWA SHINICHI | European Patent Office | 2018

    Free access