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1. 发明授权

US5277443A Air bag door with tear seam 失效
标题翻译：气袋门与撕裂缝
公开(公告)号：US5277443A
公开(公告)日：1994-01-11
申请号：US899152
申请日：1992-06-08
申请人： Frank O. Grant , Joseph R. May
发明人： Frank O. Grant , Joseph R. May
IPC分类号： B60R21/2165 , B60R21/16
CPC分类号： B60R21/2165
摘要： A cover (10) of integral construction for an air bag comprising: a panel (20) and a hinge (26) formed in a first side (28) of the cover (10) for enabling the panel to rotate thereabout after the panel separates from a seam on the opposite side of the panel in response to forces imparted thereto by an expanding air bag. The seam includes stress enhancing features for increasing stresses in the material causing same to tear and separate. These stress enhancing features includes a laterally extending narrow first portion (42), a closely spaced laterally extending narrow second portion (44) and a thin bridge (46) joining the first and second portions (42,44). The first portion, second portion and bridge are relatively movable one to the other so as to generate in the material at least two zones of increased tensile stress and at least two zones of increased compressive stress sufficient to cause the material to tear.
摘要翻译：一种用于气囊的整体结构的盖（10），包括：面板（20）和形成在所述盖（10）的第一侧（28）中的铰链（26），用于使所述面板在所述面板分离之后在其周围旋转从面板的相对侧上的接缝，响应于膨胀气囊所赋予的力。接缝包括应力增强特征，用于增加材料中的应力，从而导致其撕裂和分离。这些应力增强特征包括横向延伸的窄的第一部分（42），紧密间隔的横向延伸的窄的第二部分（44）和连接第一和第二部分（42,44）的薄的桥（46）。第一部分，第二部分和桥接件彼此相对地移动，以便在材料中产生增加的拉伸应力的至少两个区域和足以引起材料撕裂的增加的压缩应力的至少两个区域。

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