Patent ID: 6139114
Filing Date: 2000-10-31
Classification: B60B

Abstract:
A rim disc adjustable to different sized rims comprising a rim disc and a steel ring, said rim disc having a plurality of engagement members provided equidistantly spaced apart near an outer circumferential edge of said disc, each engagement member having a projecting edge formed on a front end of an upper surface to engage an inner annular wall of said rim, and on the opposite surface from said projecting edge, a ridge, a first stop and an engagement aperture formed for said steel ring to engage therein; andcharacterized by one of said engagement members provided with a second stop formed under said ridge and said engagement aperture, said second stop having a few engagement grooves, said steel ring selectively engaging with one of said engagement grooves so that an expanded angle of said engagement member may change so as to permit said rim disc to be assembled quickly and securely with different sized rims.