Emergency operation ring for tubeless tires in motor vehicles
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United States of America Patent
Stats
-
Jun 3, 1986
Grant Date -
N/A
app pub date -
Aug 28, 1984
filing date -
Aug 30, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An emergency operation ring for tubeless pneumatic tires on motor vehicles made of an elastomeric material and mounted on a rim by means of axial clamping pressure. Two support sections extend diagonally upwards and outwards from the base section and define a circumferential channel. The support sections have step shaped outer flanks set back with respect to the base section. At least one circumferential groove is provided contiguous the circumferential channel, and slipping agent is positioned in the groove or grooves. Sealing lips close off the groove and slipping agent when the tire is intact. The wheel load working on the support sections at the beginning of an emergency operation brings the sealing lips into an open position, whereby the slipping agent is released and lubricates the surfaces of the pneumatic tire and the emergency operation ring in contact with each other.
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