公开(公告)号：US20220314692A1

公开(公告)日：2022-10-06

申请号：US17221224

申请日：2021-04-02

Applicant: Shimano Inc.

Inventor： Azusa YAMAZAKI ,  Kazutaka NIKI ,  Takeshi UEDA

IPC: B60B27/00 ,  B60B27/02 ,  B60B27/04 ,  B62J45/413 ,  B62J45/423 ,  B62J45/20 ,  G01D5/245 ,  G01D5/30 ,  H02K7/18

Abstract: A hub is provided for a human-powered vehicle. The hub comprises a hub axle, a hub body, a sprocket support structure, a detected part and a rotation detection sensor. The hub axle has a center axis. The hub body is rotatably disposed around the center axis. The sprocket support structure is rotatably disposed around the center axis to transmit a driving force to the hub body while rotating in a driving rotational direction around the center axis. The detected part is provided to the sprocket support structure. The rotation detection sensor is configured to detect the detected part to detect rotation of the sprocket support structure around the center axis and being disposed in the hub body.

公开(公告)号：US20180099725A1

公开(公告)日：2018-04-12

申请号：US15288960

申请日：2016-10-07

Applicant: Shimano Inc.

Inventor： Kenji KAMADA ,  Azusa YAMAZAKI

IPC: B62M9/10 ,  F16H55/30

Abstract: A bicycle rear sprocket assembly is basically provided that includes a first sprocket including a first sprocket body and a plurality of first sprocket teeth provided to an outer periphery thereof. Each of a plurality of first circumferential areas has a first circumferential length. A first total number of the plurality of first circumferential areas is an even number. A first circumferential area counting number from a driving surface of a first shifting initiation tooth to a driving surface of a second shifting initiation tooth in a driving rotational direction of the bicycle rear sprocket assembly is an odd number. A second circumferential area counting number from the driving surface of the second shifting initiation tooth to the driving surface of the first shifting initiation tooth in the driving rotational direction is an odd number. The first circumferential area counting number is different from the second circumferential area counting number.