Land vehicles: wheels and axles – Wheel – Device for attaching wheel to axle
Reexamination Certificate
1999-07-09
2001-02-27
Stormer, Russell D. (Department: 3612)
Land vehicles: wheels and axles
Wheel
Device for attaching wheel to axle
C301S125000, C190S01800A
Reexamination Certificate
active
06193324
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a wheel device. More particularly, the present invention relates to a wheel device for a suitcase.
A suitcase has four conventional wheel devices. The conventional wheel device has a fixed wheel support seat. If the fixed wheel support seat is damaged, the user cannot replace the fixed wheel support seat.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a wheel device which has a wheel support seat to be detached easily while the wheel support seat is damaged.
In accordance with a first preferred embodiment of the present invention, 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 has a center hole. The wheel support seat has a convex housing, two outer positioning plates, two inner guide grooves matching the outer positioning plates, two click blocks, and an upper positioning bar. Each of the outer positioning plates has a through aperture. The fixed seat has a convex portion matching the convex housing, a step plate, a recess, an inner notch, an oblong groove, and two click holes formed on the step plate. 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.
In accordance with a second preferred embodiment of the present invention, 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 has a center hole. The wheel support seat has a convex housing, two click blocks, two through holes, and a through aperture. The fixed seat has a convex portion matching the convex housing, two oblong holes matching the through holes, and two click holes. The click blocks are inserted in the click holes. A rivet passes through the through aperture and the center hole. Two bolts fasten the wheel support seat and the fixed seat together via the through holes and the oblong holes.
REFERENCES:
patent: 4192408 (1980-03-01), Walker
patent: 4707881 (1987-11-01), Van Hoye
patent: 4719663 (1988-01-01), Termini
patent: 5813503 (1998-09-01), Chang
patent: 5918710 (1999-07-01), Sher
patent: 5921635 (1999-07-01), Deliman et al.
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