To provide a seat belt device capable of inhibiting attachment in a predetermined condition with a simple configuration.SOLUTION: A fastening mechanism 41 of a seat belt device 4 includes: a tongue plate 50 forming a tongue side engagement part 50a; a buckle 51 forming a buckle side engagement part 61a engaged with the tongue side engagement part 50a; an engagement inhibition member 52 disposed so as to be movable between an engagement inhibition position Px to inhibit engagement of the tongue side engagement part 50a with the buckle side engagement part 61a, and an engagement permission position Py to enable engagement of the tongue side engagement part 50a with the buckle side engagement part 61a; a driving source 80 for operating the engagement inhibition member 52; and a control unit 54 for controlling operation of the driving source 80 so as to arrange the engagement inhibition member 52 in the engagement inhibition position Px in a state that a safety frame disposed in a vehicle body is in a tilted posture, and to arrange the engagement inhibition member 52 in the engagement permission position Py in a state that the safety frame is in a standing posture.SELECTED DRAWING: Figure 5
【課題】簡易な構成で、所定の条件下において装着を阻止することが可能なシートベルト装置等を提供する。【解決手段】シートベルト装置4の締結機構41が、タング側係合部50aを形成するタングプレート50と、タング側係合部50aに係合するバックル側係合部61aを形成するバックル51と、タング側係合部50aとバックル側係合部61aとの係合を阻止する係合阻止位置Px、および、タング側係合部50aとバックル側係合部61aとの係合を可能とする係合許可位置Pyの間で移動可能に設けられた係合阻止部材52と、係合阻止部材52を動作させる駆動源80と、車両本体に設けられた安全フレームが傾倒姿勢となっている状態で係合阻止部材52を係合阻止位置Pxに配置し、安全フレームが起立姿勢となっている状態で係合阻止部材52を係合許可位置Pyに配置するように、駆動源80の動作を制御する制御装置54とを備える。【選択図】図5
SEAT BELT DEVICE AND WORK VEHICLE
シートベルト装置、および作業車両
27.12.2023
Patent
Elektronische Ressource
Japanisch
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