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公开(公告)号:US4950031A
公开(公告)日:1990-08-21
申请号:US213227
申请日:1988-06-29
CPC分类号: B62D21/152 , B62D25/2027
摘要: An automobile rear underbody structure which comprises generally elongated side frames extending in a direction lengthwise of an automobile body structure and each having a front and rear frame portions. The rear frame portion of each side frame lies in a level offset upwardly relative to the front frame portion. The rear frame portion has a depressed zone defined at a predetermined position thereof to permit the rear frame portion to bend downwardly when an external impact greater than a predetermined value is applied thereto.
摘要翻译: 一种汽车后底体结构,其包括沿着汽车车身结构的纵向方向延伸的每个具有前框架部分和后框架部分的大致细长的侧框架。 每个侧框架的后框架部分位于相对于前框架部分向上偏置的水平面。 后框架部分具有限定在其预定位置处的凹陷区域,以当外部冲击大于预定值的情况下允许后框架部分向下弯曲。