Patent ID: 6257676
Filing Date: 2001-07-10
Classification: B60B,B60C

Abstract:
A rim for a bicycle wheel, adapted for a tubeless assembly of a tire, said rim comprising an annular channel at a periphery of said rim, said annular channel having a structure adapted to receive the tire, said annular channel comprising an upper bridge and two lateral flanges, said upper bridge having a recessed central well, said well comprising a base and two lateral walls, said well having a width to facilitate engagement and retention of a pair of tire beads within said well, whereby the pair of tire beads touch each other at least before a primary tire inflation phase to facilitate inflation of the tire, said annular channel further comprising seats for the tire beads during a subsequent tire inflation phase on opposed lateral sides of said well between said well and respective ones of said flanges, said bead seats extending obliquely from an edge of said well towards respective ones of said flanges, and said bead seats having, adjacent said well, a maximum diameter zone, said maximum diameter zone being greater than a diameter of said bead seats adjacent said flanges.