Land vehicles: wheels and axles – Wheel – Detachable wheel section
Reexamination Certificate
2002-08-16
2003-07-22
Stormer, Russell D. (Department: 3617)
Land vehicles: wheels and axles
Wheel
Detachable wheel section
C301S011100, C301S095101
Reexamination Certificate
active
06595595
ABSTRACT:
BACKGROUND OF THE INVENTION
A conventional wheel rim R as shown in
FIG. 1
has a flange F formed on an inside cylindrical surface of a drop-center portion of the rim R adapter for securing a wheel disk D on the flange F as solid lines shown in FIG.
1
. However such a flange F on the conventional wheel rim R may only provide a single off-set O
1
, a displacement of the bottom of the disk D from a longitudinal center plane C centrally defined between two rim flanges Ra, Rb of the wheel rim R. If a car needs a shorter off-set O
2
(a shorter displacement from the longitudinal center plane C), another wheel rim having a flange F′ proximal to the center plane C should be provided for securing the wheel disk D′ on the flange F′ as dotted lines shown in FIG.
1
.
Therefore, two wheel rims for respectively providing a longer off-set O
1
and a shorter off-set O
2
should be prepared to thereby increase the investment and manufacturing cost.
The present inventor has found the drawbacks of the conventional wheel rim and invented the present wheel rim having dual flanges formed on the rim.
SUMMARY OF THE INVENTION
The object of the present invention is to provide a wheel rim including two centripetal flanges respectively centripetally formed on an inner and an outer portion of a drop-center portion of the wheel rim having the two centripetal flanges with different displacements respectively deviated from a longitudinal center plane centrally defined between an inner rim flange and an outer rim flange of the wheel rim, with the longitudinal center plane being projectively perpendicular to a central axle axis of the wheel rim, thereby simultaneously satisfying two types of cars one having a larger off-set and the other having a smaller off-set of each wheel disk as respectively deviated from the longitudinal center plane of each wheel rim.
REFERENCES:
patent: 2291156 (1942-07-01), Heesch et al.
patent: 2755138 (1956-07-01), Brink
patent: 3186767 (1965-06-01), Walther
patent: 3348884 (1967-10-01), Adams
patent: 4883324 (1989-11-01), Fuchs et al.
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