Emergency track ring for pneumatic vehicle tires

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4295509
SERIAL NO

06097414

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ATTORNEY / AGENT: (SPONSORED)

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    Expired
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Abstract

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An emergency track ring for a tubeless pneumatic tire comprising a bottom reinforced flange for mounting the ring on such a tire rim. At least one opening is formed in the ring to permit air to be admitted to the interior of the tire. Groove means are formed in the ring for filling with a lubricating material, and sealing lips close the groove means and seal the lubricant therein when the tire is mounted on said rim and under pressure. Flange means are integrally formed with the sealing lips and extend upwardly for engagement by the inside of the tire cover during loss of air, the depressing of the flange means effecting a lever action which causes the sealing lips to move so as to open the grooves and permit and lubricating material to be released to reduce friction between the tire cover and the track ring.

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Patent Owner(s)

  • VORWERK & SOHN GMBH & CO. KG

International Classification(s)

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  • 1979 Application Filing Year
  • B60C Class
  • 174 Applications Filed
  • 2 Patents Issued To-Date
  • 1.15 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances197919801981198219830255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Stein, Hermann Wuppertal-Barmen, DE 24 251

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  • 19 Citation Count
  • B60C Class
  • 0 % this patent is cited more than
  • 44 Age
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