发明名称 Van roof ventilator
摘要 An opening is formed through the roof of a van. A sealed airtight air chamber is affixed to the roof inside the van and completely covers an area surrounding the opening. A watertight container is mounted in the air chamber beneath the opening in the roof for collecting rain falling through the opening. Air exhaust hosing extends from the air chamber to the roof and floor inside the van.
申请公布号 US4136605(A) 申请公布日期 1979.01.30
申请号 US19770842348 申请日期 1977.10.14
申请人 JOHNSON, CURTIS D. 发明人 JOHNSON, CURTIS D.
分类号 B60H1/26;(IPC1-7):B60H1/24 主分类号 B60H1/26
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