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Venting plug for vehicle hub cap

  • US 6,938,963 B2
  • Filed: 09/22/2003
  • Issued: 09/06/2005
  • Est. Priority Date: 09/22/2003
  • Status: Active Grant
First Claim
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1. A hub cap vent plug which is resistant to penetration by water sprayed under high pressure during vehicle washing, said plug comprising an axially outer end face portion, sidewall portions adapted to mate in fluid-tight relation with an opening in an associated hub cap, a small diameter opening terminating at one of its ends in a thin web of the material from which said plug is made, a valve cover having an inner surface substantially parallel to said end face portion and spaced closely axially apart from said end face portion, so as to define at least one transverse opening between said axially outer end face portion and said valve cover, said inner surface being of smaller diameter than said axially outer end face portion, and a normally closed valve comprising a slit in said thin web of material to allow pressure and vacuum to vent through said valve, said valve cover thereby resisting penetration through said valve by pressurized water.

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