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Air leakage indicator device for a spare tire

  • US 4,051,803 A
  • Filed: 09/09/1976
  • Issued: 10/04/1977
  • Est. Priority Date: 09/09/1976
  • Status: Expired due to Term
First Claim
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1. An air leakage indicator device for connection to an inflated spare tire of an automotive vehicle, the spare tire, mounted on a wheel with a valve stem provided with a normally closed valve core, being located in a storage compartment in a remote location relative to the passenger compartment of the vehicle, said air leakage indicator device comprising,means including a pointer and a plurality of dial sections to indicate to a person in the passenger compartment of the automotive vehicle if the air pressure in the spare tire is or is not within a safe range for emergency use thereof,attachment means removably fixed to the outer end portion of the valve stem of the spare tire, including means on a connection portion of the attachment means and connected to actuate the normally closed valve core of the valve stem to an open condition,connecting means comprising a flexible air conduit having first and second end portions, fixedly connected at said first end portion to said valve stem attachment means and at said second end portion to said indicating means.

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