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    • 9. 发明授权
    • Closure for an air bag deployment opening
    • 关闭气囊展开口
    • US4893833A
    • 1990-01-16
    • US241893
    • 1988-09-08
    • Anthony J. DiSalvoDavid J. Bauer
    • Anthony J. DiSalvoDavid J. Bauer
    • B60R21/215
    • B60R21/215
    • A closure arrangement for an air bag deployment opening formed in an auto interior, including a closure panel positioned in the opening and hinged along one side, with a frangible lock on the other side opposite the hinge, fractured by pressure exerted by the deploying inflatable cushion. In a first embodiment, the frangible lock is defined by a tab portion of a foam plastic core body of the closure panel protruding into a recess formed in an adjacent structure, or an additional lock attached to the cannister, the tab fractured by being sheared off after the inflatable cushion contacts an inside protuberance projecting from the inside of the closure panel or additional lock attached to the cannister; and, the hinge is provided by bending of an convoluted-shaped section of a formed aluminum layer defining the inner side of the closure panel. In a second embodiment, a molded plastic panel member has an inward frangible flange with tabs secured to an air bag cannister or instrument panel structure to provide the lock, and the tabs are fractured by tensile loading created by deployment of the inflatable cushion. An inwardly directed integral hinging flange is also adapted to be connected to the air cushion cannister or instrument panel structure.
    • 一种用于气囊展开开口的封闭装置,其形成在汽车内部,包括位于开口中并沿着一侧铰接的封闭面板,在与铰链相对的另一侧具有易碎的锁,由于展开的充气垫 。 在第一实施例中,易碎锁由封闭面板的泡沫塑料芯体的突出部分突出到相邻结构中形成的凹部中,或附加到插管的另外的锁定部分,通过剪切断裂的突出部 在可充气垫接触从封闭面板的内部突出的内部突起或附接到该罐的附加锁上; 并且铰链通过弯曲形成的铝层的弯曲形状部分而形成,该铝层限定了封闭面板的内侧。 在第二实施例中,模制的塑料面板构件具有向内易碎的凸缘,凸缘固定到气囊罐或仪表板结构以提供锁定,并且通过展开可膨胀衬垫产生的拉伸载荷使凸片断裂。 向内定向的整体式铰接法兰也适于连接到气垫罐或仪表板结构。