Ceiling mounted ventilation fan
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United States of America Patent
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Aug 29, 2017
Issued Date -
N/A
app pub date -
Sep 25, 2012
filing date -
Sep 29, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A ceiling mounted ventilation fan comprises a main housing including a first opening communicating with a duct and a second opening communicating with inside of a room, and a fan unit including a fan casing having an air inlet opened in the main housing, and the fan casing includes a first engagement part releasably engaged with the first opening of the main housing, and a second engagement part releasably engaged with an inner wall of the main housing, positioning of the fan casing in an installation position is achieved in a state that the first engagement part is engaged with the first opening and the second engagement part is engaged with the inner wall of the main housing, and a state of the engagement can visually be confirmed through the second opening in a state that the positioning is achieved.
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