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Filter assembly for a vacuum cleaner

  • US 4,967,443 A
  • Filed: 01/09/1989
  • Issued: 11/06/1990
  • Est. Priority Date: 01/09/1989
  • Status: Expired due to Fees
First Claim
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1. A filter housing and filter assembly for a vacuum cleaner, the vacuum cleaner including a motor, a housing enclosing the motor, a fan driven by the motor for producing a vacuum, and a canister removably attached to the front end of the housing and having an intake nozzle for reception of foreign matter, liquid and air drawn into the canister in response to the vacuum developed by the fan, said assembly comprising:

  • means for filtering foreign matter from the air entering the canister;

    means for housing said filtering means within the canister comprising a filter housing disposed within the canister and having an end flange at one end extending radially outwardly towards the surrounding wall of the canister;

    said filtering means comprising a filter disposed within said filter housing for filtering particulate matter, said filter comprising an integral framework formed by a plurality of ribs and an air permeable filter member disposed within said framework; and

    means for removably and positively securing said filtering means to said housing means to allow said filtering means and said housing means to form an integral unit.

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