Emergency track ring for pneumatic vehicle tires

Details Emergency track ring for pneumatic vehicle tires Emergency track ring for pneumatic vehicle tires

1979-11-26

1981-10-20

Kittle, John E.

Resilient tires and wheels

Tires, resilient

Cushion and pneumatic combined

152330RF, 152330L, 152339, 152400, B60C 1704

Patent

active

042955092

ABSTRACT:
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.

REFERENCES:
patent: 3872907 (1975-03-01), Curtiss et al.
patent: 4054168 (1977-10-01), Beers et al.
patent: 4091854 (1978-05-01), French et al.

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