发明名称 Ventilation grill
摘要 A ventilation grill comprising a housing having a rear wall provided with apertures and side walls projecting from the rear wall defining a compartment having an opening wherein fins are pivotably mounted on the side walls for controlling the flow of air through the opening. A damper is located in the compartment defined by the side walls and rear walls between the fins and the rear wall for controlling the passage of air therebetween.
申请公布号 US5042368(A) 申请公布日期 1991.08.27
申请号 US19900490822 申请日期 1990.03.07
申请人 SCHAKO METALLWARENFABRIK FERDINAND SCHAD KG 发明人 MUELLER, GOTTFRIED;HIPP, PAUL
分类号 F24F13/06;B21D51/16;F24F13/075;F24F13/12;F24F13/15 主分类号 F24F13/06
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