Land vehicles: wheels and axles – Wheel – Tension wheel; e.g. – spoke
Reexamination Certificate
2005-01-25
2005-01-25
Stormer, Russell D. (Department: 3617)
Land vehicles: wheels and axles
Wheel
Tension wheel; e.g., spoke
C301S095104
Reexamination Certificate
active
06846047
ABSTRACT:
An improved wheel rim, an improved spoke nipple and an improved wheel are disclosed. The rim has spoke openings and a threaded end of each spoke extends therethrough. An internal nipple with a threaded bore is connected to the threaded spoke end so that a first, ball-shaped, rounded end of the nipple is seated on the rim. A portion of the rim around each spoke opening is deformed or removed so as to define a portion of a socket with the same curvature as the first end of the nipple. This minimizes the required diameter of the spoke opening in the rim and maximizes the area of the rim socket surface. The invention also extends to an external nipple with a rounded collar in combination with a rim including a concave rounded rim surface formed in the rim itself.
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Purdue David C.
Purdue John C.
Stormer Russell D.
LandOfFree
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