Portable individual dust collector
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 12, 1988
Grant Date -
N/A
app pub date -
Aug 1, 1986
filing date -
Aug 5, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A portable individular dust collector has a cover which surrounds a rotatable cup. A hood is supported on the cover and houses a prefiltration unit carrying an auxiliary cup containing a filtering foam. The prefiltration unit and said hood define an external peripheral space which is in communication with an annular volume provided beneath said prefiltration unit around a central air inlet in the direction of the rotatable cup to retain the coarser particles of dust.
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