| 摘要 |
The present invention relates to a device for preventing a wheel cap from loosening from a rim, whereby the wheel cap is mounted on a ring member which is insertable into the rim and provided with a plurality of anchoring members of resilient material that are hooked onto said ring member and include hook portions adapted to hook into a ring-shaped recess in the rim when the ring member is brought therein. To prevent that the ring member and the wheel cap may loosen from the rim when the wheel cap and/or the ring member bump into any obstruction, e.g. a road curbstone, a distance between inwardly directed portions of each of a pair of opposed anchoring members on the ring member and the inwardly directed portion of the rim is so chosen, when the ring member is in a normal position relative to the rim, that the inwardly directed portion of one of the anchoring members hits the inwardly directed portion of the rim before the hook portion of the other anchoring member loosens from the annular recess of the rim when the ring member is displaced from its normal position relative to the rim by the wheel cap and/or the ring member bumping into an obstruction when the vehicle rolls on a support. The ring member has an inwardly directed portion having a convexly shaped radial cross-section. The axially inwardly directed portion of an anchoring member which is substantially linear, overlies the inwardly directed portion of the ring member and bends thereover when the anchoring member is hooked onto the ring member.
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