Bicycle rim for a tension spoke bicycle wheel
AssigneeMavic S.A.S.
InventorsJean-Pierre Mercat, Alban Minville
Life of this patent
Estimating the term…
Abstract
The invention relates to a rim, spokes and a complete wheel, especially a cycle wheel, including such a rim and such spokes. The rim has a plurality of through holes demarcated by a chimney obtained by backflow. A threaded insert is housed in these openings. The end of the spoke includes a joining piece affixedly connected to the end of the spoke, a tension adjusting screw mounted to rotate freely on this side of the joining piece, and extended by a coupling sleeve with a tightening tool. The joining piece is provided to slide within the insert, and the screw is tightened within the joining piece.
Claims10
A bicycle rim for a tension spoke bicycle wheel, said rim comprising:
- a one-piece circular profiled member centered around an axis of rotation, said profiled member having a cross-section including a lower bridge arranged closer to the axis of rotation, an upper bridge arranged radially outward of said lower bridge, and a pair of lateral walls interconnecting said lower bridge and said upper bridge and extending radially outwardly beyond said upper bridge to form a pair of wing portions, said wing portions and said upper bridge defining an annular channel for receiving a tire;
- and
- at least one through hole in at least said lower bridge, said at least one through hole being demarcated by a generally cylindrical tubular backflow chimney having a height greater than a thickness of said at least lower bridge, and said backflow chimney extending from said lower bridge toward said upper bridge.
Dependencies are inferred from the claim text.