To provide a vehicular seat belt device configured to comprise pretensioners which are actuated at the time of collison of a vehicle and at the time of collison prediction respectively, which can suppress a lap belt part from coming off from the waist of an occupant.SOLUTION: A vehicular seat belt device 10 comprises; a first pretensioner 22, provided in a retractor 21, which imparts tension to a shoulder belt part 20A; a second pretensioner, provided in a belt anchor part 23, which imparts tension to a lap belt part 20B; a third pretensioner 30 that imparts tension to the lap belt part 20B through a buckle provided at a side part at the opposite side of the belt anchor part 23 in a vehicular seat 12; and a control part that actuates the first pretensioner 22 when predicting collision of a vehicle when an occupant P is in a driving posture, and actuates the second pretensioner 24 and the third pretensioner 30 after detecting the collision.SELECTED DRAWING: Figure 6

    【課題】車両の衝突時及び衝突予知時にそれぞれ作動するプリテンショナを備えた構成において、乗員の腰部からラップベルト部が外れるのを抑制することができる車両用シートベルト装置を提供する。【解決手段】車両用シートベルト装置10は、リトラクタ21に設けられてショルダベルト部20Aに張力を付与させる第1プリテンショナ22と、ベルトアンカ部23に設けられてラップベルト部20Bに張力を付与させる第2プリテンショナと、車両用シート12におけるベルトアンカ部23とは反対側の側部に設けられたバックルを介してラップベルト部20Bに張力を付与させる第3プリテンショナ30と、乗員Pが運転姿勢の場合における車両の衝突予知時に第1プリテンショナ22を作動させ、衝突検知後に第2プリテンショナ24及び第3プリテンショナ30を作動させる制御部と、を有する。【選択図】図6


    Access

    Download


    Export, share and cite



    Title :

    VEHICULAR SEAT BELT DEVICE


    Additional title:

    車両用シートベルト装置


    Contributors:

    Publication date :

    2020-08-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    VEHICULAR SEAT BELT DEVICE

    SHIRASAWA YOSHIBUMI | European Patent Office | 2017

    Free access

    VEHICULAR SEAT BELT DEVICE

    NEZAKI TAKUYA / SUGIYAMA MOTONORI / KOMENO FUMIKAZU | European Patent Office | 2020

    Free access

    VEHICULAR SEAT BELT DEVICE

    FUKUNAGA KAZUYUKI / UEDA HIROYASU / TSUZUKI HIROAKI | European Patent Office | 2020

    Free access

    VEHICULAR SEAT BELT DEVICE

    KUZUMAKI SEIGO / FUKAWATASE OSAMU | European Patent Office | 2021

    Free access

    VEHICULAR SEAT BELT DEVICE

    FUKAWATASE OSAMU / SUGIYAMA MOTONORI | European Patent Office | 2018

    Free access