Push filter with floating key lock

  • US 8,137,551 B1
  • Filed: 08/08/2008
  • Issued: 03/20/2012
  • Est. Priority Date: 08/08/2008
  • Status: Active Grant
First Claim
Patent Images

1. A filter housing assembly comprising:

  • a filter housing for enclosing a filter media, said filter housing having a body and a top portion for forming a fluid-tight seal with said body, said filter housing top portion including;

    an ingress port;

    an egress port;

    a filter key located on said top portion and having a top surface, longitudinal sides, and lateral sides, said filter key including spaced protrusions or fingers on said longitudinal sides of said filter key extending laterally from said top surface, wherein said filter key includes a locking nub or tab for attachment to said top portion.

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