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    • 5. 发明公开
    • Bicycle rim
    • 费赫尔Fahrrad
    • EP1260382A2
    • 2002-11-27
    • EP01130659.4
    • 2001-12-21
    • SHIMANO INC.
    • Okajima, Shinpei
    • B60B21/06
    • B60B21/106B60B1/042B60B21/025B60B21/026B60B21/028B60B21/04B60B21/062B60B21/066B60B21/068
    • A bicycle rim 24 includes side portions 50 with an outer portion 52 extending between the side portions 50 to form a pair of outer comers 62a, and a spoke attachment portion 54. The outer portion 52 includes a pair of ridges 62c spaced from the outer corners 62a. The ridges 62c preferably divide a pair of inclined surfaces 62b, 62d. The side portions 50 preferably include a pair of ground braking surfaces 60a with a pair of sloping surfaces 60c extending from the braking surfaces 60a to a pair of outer side surfaces 60d. A tubeless bicycle tire 26 is mounted on the rim 24 and includes a tread portion, a pair of sidewalls and a pair of beads 27c. Each bead 27c has an inner foot surface supported on one of the ridges 62c. Preferably, each bead 27c has a reinforcement member 29 with a center axis C1. Each ridge 62c is preferably located between one of the center axes C1 and an inner edge of one of the inner foot surfaces.
    • 自行车轮辋24包括具有在侧部50之间延伸的外部部分52的侧部50,以形成一对外拐角62a和轮辐连接部分54.外部部分52包括一对与外拐角间隔开的脊62c 62A。 脊62c优选地分割一对倾斜面62b,62d。 侧部50优选地包括一对地面制动表面60a,其具有从制动表面60a延伸到一对外侧表面60d的一对倾斜表面60c。 无内胎式自行车轮胎26安装在轮辋24上,并且包括胎面部分,一对侧壁和一对胎圈27c。 每个胎圈27c具有支撑在一个脊62c上的内脚表面。 优选地,每个胎圈27c具有带有中心轴线C1的加强件29。 每个脊62c优选位于中心轴线C1之一和内脚表面之一的内边缘之间。