发明名称 Safety step system
摘要 A fold-out saftey step system for use in a passenger van having a side door. A planar step is attached to two leg members which in turn are pivotally attached to the floor of the van. The step can be folded out and down when the side door is open. When the step is folded up and inwardly the side door can be closed. The step includes a metal grate through which mud, snow, and dirt will pass to prevent built-up on the step.
申请公布号 US4930797(A) 申请公布日期 1990.06.05
申请号 US19890368779 申请日期 1989.06.20
申请人 PARRILL, LEE R. 发明人 PARRILL, LEE R.
分类号 B60R3/02 主分类号 B60R3/02
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