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Dust collection unit of vacuum cleaner

  • US 7,488,363 B2
  • Filed: 09/23/2005
  • Issued: 02/10/2009
  • Est. Priority Date: 12/27/2004
  • Status: Expired due to Fees
First Claim
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1. A dust collecting unit of a vacuum cleaner, comprising:

  • a collection body having a plurality of foreign object filtering chambers for filtering foreign objects and a plurality of foreign object storing chambers for storing foreign objects filtered from the foreign object filtering chambers;

    a sealing member for closing a lower portion of the collection body; and

    a separation plate formed horizontally at the collection body and having an exhaust member disposed at an upper side of the collection body, the exhaust member guiding airflow;

    wherein the plurality of foreign object filtering chambers comprises;

    a first foreign object filtering chamber disposed in an inner space of an inner wall extending to a downward direction of the separation plate; and

    at least one second foreign object filtering chamber provided at an outer side of the first foreign object filtering chamber; and

    wherein the plurality of foreign object storing chambers comprises;

    a second storing chamber defined as a space between the inner wall and an intermediate wall spaced at an outside of the inner walk; and

    a first storing chamber defined as an inner space of an outer wall spaced at an outside from the intermediate wall; and

    wherein the first and second foreign object filtering chambers and the first and second foreign object storing chambers are formed as one body.

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