| 摘要 |
Disclosed is a system that lies inside a tyre allowing the vehicle may be driven normally (in emergency situations), even with a flat tyre. The system comprises two semicircular rubber segments of trapeziform profile [1-11 in half moon, with bottom made up by two blunt planes [8 and 9] at different angles and having a plurality of transverse oval holes [10], being ends united by assemblies of ratchet [2] which draw whether steel cables or high-strength strap [3] in order to unite the ends of bands [1 and 11, and said continued steel cables or high-strength strap [4] inserted inside on segments of band [1 and 11 uniting parts of the ratchet [2] in each segment, being that each ratchet [2] has a half provided with one holed main axle [5], having a longitudinal slot [6] which receives steel cables or high-strength strap [3] which has one of the ends linked to another half of each ratchet [2], being the axle [5] trespassed by one transverse threaded hole [7] in order to fix the locking screw of steel cable or strap [3]. Lead counterweights are inserted inside the rubber in order to improve the system balance.
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