FAN ASSEMBLY AND AIR SHIELD APPARATUS
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United States of America Patent
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Issued Date -
Jan 8, 2015
app pub date -
Jul 24, 2013
filing date -
Jul 5, 2013
priority date (Note) -
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Abstract
An air shield apparatus includes a bracket and a number of baffles. The bracket includes a first side plate and a second side plate opposite to the first side plate. The first side plate defines a number of first shaft holes, and the second side plate defines a number of second shaft holes aligning with the first shaft holes. Each baffle includes a blocking piece between the first and second side plates, and two opposite posts protruding out from two opposite ends of the blocking piece. The posts of the baffles are pivotably received in the first shaft holes and the second shaft holes. An inner wall of each shaft hole defines a helical guiding groove. A helical sliding portion winds around each shaft. The sliding portion of each baffle is rotatably received in the corresponding guiding groove of the first and second side plates.
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