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1. 发明公开

EP0502370A1 Safety belt system with emergency retraction capability 失效
标题翻译： Sicherheitsgurtvorrichtung mit einem Gurtstrammer。
公开(公告)号：EP0502370A1
公开(公告)日：1992-09-09
申请号：EP92102884.1
申请日：1992-02-20
申请人： FUJI KIKO CO., Ltd.
发明人： Ikegaya, Isao, c/o Washizu Plant , Nishikawa, Naotoshi, c/o Washizu Plant
IPC分类号： B60R22/18
CPC分类号： B60R22/1953
摘要： A vehicle safety belt pre-tensioning system (1) includes a slider (9) to which a cable (13) is attached. The slider (9) is affixed to a safety belt buckle (10) and to a cable (13) for pulling the buckle (10) forcibly downward to secure a seat occupant upon occurrence of an emergency condition. The cable (13) is arranged parallel to a guide groove (8) of a guide plate (7) and is guided into a sensor mechanism (2) via a roller (12). The other end of the cable (13) is affixed to a piston (52). A portion of the cable (13) is fixed in a tube (54) which is arranged in the sensor mechanism (2). The sensor mechanism (2) activates a trigger upon detecting an emergency condition. Between the sensor mechanism (2) and the piston (52), a coil spring (51) is held in a compressed state. Within the sensor mechanism (2), the tube (54) is retained by a pawl (33) which also contacts a link (35) which is positioned proximate a pin (39), or trigger, associated with a sensor mass (37). When vehicle motion indicatives an emergency condition, the sensor mass (37) moves so as to cause the pin (39) to break the link. Thus, the pawl (33) moves so as to release the tube (54). When the tube (54) is released the piston (52) is moved away from the sensor mechanism (2) by the sudden expansion of the compressed coil spring (51). This pulls the cable (13), causing the slider (9) and buckle (10) to be pulled rapidly downward, tightening a safety belt attached to the buckle (10) for securing the seat occupant. The assembly is attached to a side of an upper rail of a seat mounting.
摘要翻译：车辆安全带预张紧系统（1）包括滑块（9），电缆（13）附接到滑块。滑块（9）被固定到安全带扣（10）上，并且连接到电缆（13），用于在紧急情况发生时强制拉下带扣（10）以固定座椅乘客。电缆（13）平行于引导板（7）的引导槽（8）布置，并且经由辊（12）被引导到传感器机构（2）中。电缆（13）的另一端固定在活塞（52）上。电缆（13）的一部分固定在布置在传感器机构（2）中的管（54）中。传感器机构（2）在检测到紧急情况时激活触发。在传感器机构（2）和活塞（52）之间，螺旋弹簧（51）保持在压缩状态。在传感器机构（2）内，管（54）由棘爪（33）保持，棘爪（33）还接触与传感器质量（37）相关联的销（39）或触发器的连杆（35）。当车辆运动指示是紧急情况时，传感器质量（37）移动以使销（39）断开连杆。因此，棘爪（33）移动以释放管（54）。当管（54）被释放时，通过压缩螺旋弹簧（51）的突然膨胀，使活塞（52）离开传感器机构（2）。这拉动电缆（13），导致滑块（9）和带扣（10）被快速向下拉，紧固附接到带扣（10）的安全带以固定座椅乘员。组件附接到座椅安装件的上导轨的一侧。

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