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US 7,744,165 B2Granted
Spoked wheel for tires
AssigneeAlpina Raggi S.p.A.
InventorGuido Cappellotto
Life of this patent
Estimating the term…
Abstract
A spoked wheel includes a rim with a plurality of holes for a respective plurality of nipples and an equal plurality of spokes secured to the rim by these nipples. The nipples are arranged to be fitted so as to be substantially gastight in the respective holes in the rim for the purpose of fitting tubeless tires to the rim.
Claims14
A spoked wheel for use with a tire comprising:
- a rim having a plurality of holes;
- a respective plurality of nipples;
- an axial bidirectional locking means formed on a portion of each of said respective plurality of nipples, said axial bidirectional locking means comprising a shoulder at one end of the shank of the nipple and also an external thread on the shank of the nipple which engages with a female thread disposed in a nut adjacent an outside portion of the rim to hold said nipple on the rim with said shoulder abutting against said rim;
- a resilient seal fitted onto the shank of the nipple close to said shoulder;
- a seating coaxial with the hole and adapted for fitting said seal is formed as a counter bore in the hole in the rim, said seating having a substantially cylindrical wall and forming an abutment for said shoulder;
- and
- an equal plurality of spokes secured to said rim by means of said respective plurality of nipples,
- wherein each nipple is disposed in the respective hole in the rim and retained in said hole by a respective one of said axial bidirectional locking means so as to be substantially gastight in the rim.
5 more elements
A spoked wheel for use with a tire comprising:
- a rim having a plurality of holes;
- a respective plurality of nipples, said nipples comprising a threaded stem screwed into and retained in a respective threaded hole made in the end of the spoke facing them;
- an axial bidirectional locking means formed on a portion of each of said respective plurality of nipples, said axial bidirectional locking means comprising a shoulder at one end of the shank of the nipple and also a thread on the shank of the nipple which engages with a corresponding thread disposed adjacent an outside portion of the rim to hold said nipple on the rim with said shoulder abutting against said rim;
- a seal fitted onto the shank of the nipple close to said shoulder;
- a seating coaxial with the hole and adapted for fitting said seal is formed as a counter bore in the hole in the rim, said seating having a substantially cylindrical wall and forming an abutment for said shoulder;
- and
- an equal plurality of spokes secured to said rim by means of said respective plurality of nipples,
- wherein each nipple is disposed in the respective hole in the rim and retained in said hole by a respective one of said axial bidirectional locking means so as to be substantially gastight in the rim, and
- wherein said nipples comprise a threaded stem screwed into and retained in a respective threaded hole made in the end of the spoke facing them.
6 more elements
Dependencies are inferred from the claim text.