Dust collector having dust bag-expanding function

Details Dust collector having dust bag-expanding function Dust collector having dust bag-expanding function

2011-01-25

2011-01-25

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C055S356000, C055S366000, C055S367000, C055S368000, C055S369000, C055S372000, C055S373000, C055S413000, C055S467000, C055S482000, C015S347000, C015S353000, C015SDIG012

Reexamination Certificate

active

07874039

ABSTRACT:
The present invention discloses a dust tank is arranged in the lower side of the machine frame. A dust bag is sleeved by the dust tank. The top side of the dust tank is connected to a filter tank. The filter tank has an air inlet pipe at the bottom side thereof, a filter thereinside, and an air outlet at the top side thereof. The air outlet is connected to a closed chamber arranged at the other side of the machine frame via the air suction pipe. A suction blower is arranged inside the closed chamber. A motor drives the suction blower to operate and suck air to flow through the air suction pipe and go out from through-holes on the top of the closed chamber.

REFERENCES:
patent: 4204846 (1980-05-01), Brenholt
patent: 4921510 (1990-05-01), Plooy
patent: 5169420 (1992-12-01), Chen
patent: 7044991 (2006-05-01), Wang
patent: 7260868 (2007-08-01), Cheng

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