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Filter with self-positioning cartridge arrangement

  • US 7,651,609 B2
  • Filed: 08/15/2007
  • Issued: 01/26/2010
  • Est. Priority Date: 08/15/2007
  • Status: Active Grant
First Claim
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1. An aquarium filter arrangement, comprising:

  • a) a filter housing having a front wall, a rear wall, and opposite side walls, the front, rear and side walls defining a filtering chamber, the filter housing further including a single rib located in the filtering chamber, the single rib including first and second vertical rib portions each formed on an interior surface of one of the side walls and an interconnecting rib portion formed along a bottom interior surface of the filter housing; and

    b) a filter cartridge positionable within the filtering chamber of the filter housing, the filter cartridge including a tab projecting outward from a rear side of the filter cartridge;

    c) wherein the tab of the filter cartridge contacts the rear wall of the filter housing to space the filter cartridge a distance from the rear wall, and wherein the filter cartridge seats against the single rib of the filter housing, when the filter cartridge is deposited in the filter housing.

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