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    • 4. 发明授权
    • Seatbelt airbag
    • 安全带安全气囊
    • US06951350B2
    • 2005-10-04
    • US10613440
    • 2003-07-02
    • Michael E. HeidornAlex DevonportWesley PackJesse Lee DavidsonSaid S. Nakhla
    • Michael E. HeidornAlex DevonportWesley PackJesse Lee DavidsonSaid S. Nakhla
    • B60R21/18B60R21/20D03D1/00D03D1/02
    • B60R21/201B60R21/18
    • A seatbelt airbag is formed of a flexible fabric seat belt tube the first end of which is attached to the floor of the vehicle and the second end of which is wound over a conventional seatbelt retractor. In the uninflated condition, the fabric tube forms a flat belt that passes in a conventional manner through a slotted eyelet in a tongue member that is engaged in a conventional floor-mounted seatbelt buckle to form a conventional 3-point restraint having a lap portion and a torso portion. An inflatable airbag member is disposed within the flexible fabric tube extending from the fixed end of the fabric tube to a location past the tongue fitting into the torso portion of the seatbelt. The airbag member is encased for part of its length within a reinforcing sleeve that extends part way into the torso section. In operation, as the airbag is pressurized, in the area surrounded by the reinforcing sleeve, the inflatable airbag member expands only to the size of the reinforcing sleeve to form a gas channel, but does not rupture the reinforcing sleeve or the surrounding seatbelt tube. The portion of the inflatable airbag that extends beyond the open end of the reinforcing tube, however, ruptures the seatbelt tube and expands to its full diameter.
    • 安全带安全气囊由柔性织物安全带管形成,其第一端附接到车辆的地板,其第二端缠绕在传统的安全带卷收器上。 在未膨胀的状态下,织物管形成一个扁平带,其以常规方式通过一个舌状构件中的开口孔眼,所述舌形构件接合在常规地板安装的安全带扣中,以形成具有搭接部分的常规3点约束装置, 躯干部分。 可膨胀的气囊构件设置在柔性织物管内,从织物管的固定端延伸到穿过安装在安全带的躯干部分中的舌部的位置。 气囊构件的一部分长度被包围在部分地延伸到躯干部分内的加强套筒中。 在操作中,当安全气囊被加压时,在由加强套筒包围的区域中,可膨胀的气囊构件仅膨胀到加强套筒的尺寸以形成气体通道,但不会使加强套筒或周围的安全带管断裂。 然而,可膨胀安全气囊延伸超过加强管的开口端的部分破裂安全带管并膨胀至其全直径。