发明名称
摘要 A sprocket for a cycle having a plurality of circumferentally disposed teeth (2) and especially a sprocket suitable for use in a multisprocket arrangement used for driving the cycle and changing gear. …<??>In order to minimize weight and production costs whilst at the same time providing satisfactory durability the sprocket body (1) is formed of a lightweight low wear resistance material with a recessed peripheral portion (11) whereby at least one tooth (2) is omitted. A toothed member (4) of a material of greater wear resistance is provided in said recessed portion (11) with at least one tooth (3) so as to replace said omitted tooth (2).
申请公布号 JPS5511339(U) 申请公布日期 1980.01.24
申请号 JP19780094131U 申请日期 1978.07.07
申请人 发明人
分类号 B62M9/10;(IPC1-7):B62M9/10 主分类号 B62M9/10
代理机构 代理人
主权项
地址