| 摘要 |
PURPOSE: An auxiliary emergency wheel of a vehicle is provided to function as an auxiliary tire, and to prevent accidents and overturn of the vehicle by protruding a projecting rim in forming a flat tire during traveling. CONSTITUTION: An auxiliary emergency wheel for a vehicle is composed of a housing(10) installed in a disk(4); protruded rims having rods installed symmetrically, and arc rims(23) formed in the end of the rod; a spring installed in the housing to apply bias elasticity to the rod to project the protruded rim; an initial position remaining unit(40) mounted out of the housing or the disk for keeping the rod of the protruded rim recessed; and a protrusion remaining unit installed in the housing for keeping the protruded rim. A tire(1) is fixed in a rim, and an axle of the vehicle is installed in the disk. The auxiliary emergency wheel is used as the auxiliary tire with projecting the protruded rim in keeping the flat tire during traveling. Overturn of the vehicle and accidents are prevented.
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