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US 6,193,324 B1Granted
Wheel device
OwnerWen-Chen Changinventor
Life of this patent
Estimating the term…
Abstract
A wheel device has a wheel support seat, a wheel inserted in the wheel support seat, and a fixed seat engaging with the wheel support seat. The wheel support seat has a convex housing, two outer positioning plates, two inner guide grooves, two click blocks, and an upper positioning bar. Each outer positioning plate has a through aperture. The fixed seat has a convex portion, a step plate, a recess, an inner notch, an oblong groove, and two click holes. The click blocks are inserted in the click holes. The upper positioning bar is inserted in the oblong groove. A rivet passes through the through aperture and the center hole.
Claims2
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, and
- a rivet passing through the through aperture and the center hole.
5 more elements
Dependencies are inferred from the claim text.