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Industrial dust collector

  • US 5,169,420 A
  • Filed: 01/08/1992
  • Issued: 12/08/1992
  • Est. Priority Date: 01/08/1992
  • Status: Expired due to Fees
First Claim
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1. An industrial dust collector comprising:

  • (a) a base;

    (b) a guide box of hollow construction disposed on said base and provided with an air inlet, an air outlet, and a dust collecting port, said air inlet and said dust collecting port being arranged opposite to each other;

    (c) a motor fastened to said guide box and provided with a driving shaft extending into said guide box;

    (d) a suction fan disposed in said guide box and fastened to said driving shaft;

    (e) a filtration bag fastened at the opening thereof to said air outlet of said guide box;

    (f) a dust bag fastened at the opening thereof to said dust collecting port of said guide box and located correspondingly to said filtration bag; and

    (g) pre-filtering means disposed between said air inlet and a suction hose connected to a dust collecting port of an upper housing of said pre-filtering meansto prevent objects greater in size and weight than dust from being drawn into said guide box.

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