Patent ID: 6193324
Filing Date: 2001-02-27
Classification: A45C,B60B

Abstract:
A wheel device comprises:a wheel support seat, a wheel inserted in the wheel support seat, and a fixed seat engaging with the wheel support seat,the wheel having a center hole,the wheel support seat having a convex housing, two outer positioning plates, two inner guide grooves facing the outer positioning plates, two click blocks, and an upper positioning bar,each of the outer positioning plates having a through aperture,the fixed seat having a convex portion matching the convex housing, a step plate disposed on a transverse portion of the fixed seat, a recess formed on the transverse portion of the fixed seat, an inner notch formed in a bottom portion of the fixed seat, an oblong groove, and two click holes formed on the step plate,the click blocks inserted in the click holes,the upper positioning bar inserted in the oblong groove, anda rivet passing through the through aperture and the center hole.