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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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