Air filtration device for compressor
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United States of America Patent
Stats
-
Jul 9, 2013
Grant Date -
Jul 26, 2012
app pub date -
Dec 22, 2011
filing date -
Jan 24, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An air filtration device for a compressor is disclosed. A sealing head is fixed onto an opening of the compressor and has a first-end opening, a second-end opening and a screw hole; the first-end opening has a first thread; a sealing cap is coupled to the second-end opening and includes a cover plate, a screw and a first positioning portion; the screw is screwed into the screw hole; an air filter is coupled to the first-end opening and includes a filter core and a filter cover; the filter cover has a second thread and a second positioning portion, and the second threads are engaged with the first threads, and the second positioning portion is positioned on the first positioning portion. When the air filter is rotated, the cover plate is moved with the filter cover to seal or leave the second-end opening.
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