Muncy, Geissler, Olds & Lowe, P.C.
Single-knob air pump
A single-knob air pump includes a housing provided with a first air inlet/outlet and a second air inlet/outlet; an air extracting mechanism arranged in the housing; fan blades of the air extracting mechanism arranged in a fan blade chamber provided with an air inlet and an air outlet; an air channel switching mechanism arranged near the fan blade chamber and provided with an air inlet and an air outlet; the air channel switching mechanism operatively connected to a knob mechanism which can control the displacement of the air channel switching mechanism; the second air inlet/outlet provided with an air valve mechanism capable of closing or opening the second air inlet/outlet; and an ejector rod mechanism capable of closing or opening the second air inlet/outlet through the air valve mechanism under the action of the air channel switching mechanism arranged between the air valve mechanism and the air channel switching mechanism.
WANGLI PLASTIC & ELECTRONICS (HUIZHOU) CO., LTD.
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F04D F04D F05D F04D F04D F04D F04D A47C F04D
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Yonghe
Li