发明名称 BICYCLE REAR SPROCKET ASSEMBLY AND BICYCLE REAR SPROCKET
摘要 A bicycle rear sprocket assembly comprises a sprocket support member, a first sprocket attachment portion, and a second sprocket attachment portion. The sprocket support member comprises a first support member and a second support member. The first support member includes a first radially outer portion and a first radially inner portion. The second support member includes a second radially outer portion and a second radially inner portion. The first support member faces the second support member in the axial direction to define an axial gap provided between the first support member and the second support member in the axial direction. A first sprocket is to be attached to the first sprocket attachment portion. A second sprocket is to be attached to the second sprocket attachment portion.
申请公布号 US2017057597(A1) 申请公布日期 2017.03.02
申请号 US201514838427 申请日期 2015.08.28
申请人 SHIMANO INC. 发明人 TOKUYAMA Koji
分类号 B62M9/10 主分类号 B62M9/10
代理机构 代理人
主权项 1. A bicycle rear sprocket assembly comprising: a sprocket support member rotatable about a rotational center axis, the sprocket support member having a first axial side and a second axial side opposite to the first axial side in an axial direction parallel to the rotational center axis, the sprocket support member comprising: a first support member including a first radially outer portion and a first radially inner portion, the first support member at least partly constituting the first axial side; anda second support member including a second radially outer portion and a second radially inner portion, the second support member at least partly constituting the second axial side, the first radially outer portion of the first support member being configured to be attached to the second radially outer portion of the second support member, the first support member facing the second support member in the axial direction to define an axial gap provided between the first support member and the second support member in the axial direction; a first sprocket attachment portion to which a first sprocket is to be attached, the first sprocket attachment portion being provided at the first axial side; and a second sprocket attachment portion to which a second sprocket is to be attached, the second sprocket attachment portion being provided at the second axial side.
地址 Sakai City JP