| 摘要 |
The safety wheel assembly uses spacer mounting nuts to allow the mounting of a spare or second wheel and tire on an existing motor vehicle wheel mount assembly. The primary wheel and tire of a vehicle are normally mounted using lug or mounting bolts. These bolts are then used to secure the primary tire with the spacer mounting nut which thereby provides for mounting the spare wheel and tire outwardly of the primary wheel relative to the vehicle. The two tires and wheels are spaced such as not to contact one to the other. The spare tire is a smaller diameter than the primary wheel. For example the standard size spare tire of solid rubber may be mounted in such a position as such spare tires are of a smaller diameter. The spare tire may also have protruding elements on the tire surface to aid in travel under snow conditions.
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