Invention Grant
- Patent Title: Bicycle sprocket
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Application No.: US15916080Application Date: 2018-03-08
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Publication No.: US10830329B2Publication Date: 2020-11-10
- Inventor: Yuki Hirose , Atsuhiro Emura , Shingo Shiraishi , Kenichi Akanishi
- Applicant: Shimano, Inc.
- Applicant Address: JP Osaka
- Assignee: Shimano Inc.
- Current Assignee: Shimano Inc.
- Current Assignee Address: JP Osaka
- Agency: Alleman Hall Creasman & Tuttle LLP
- Main IPC: F16H55/30
- IPC: F16H55/30 ; F16H55/06 ; B62M9/12 ; B62M1/36

Abstract:
A bicycle sprocket includes a sprocket body, a tooth ring, and at least one non-threaded fastener. The sprocket body is made of a first material and has a rotational center axis. A central portion of the sprocket body has a central opening through which the rotational center axis passes. The sprocket body further includes a plurality of arm portions that extend radially outward from the central portion with respect to the rotational center axis. Each arm portion includes a sprocket body attachment portion. The tooth ring is made of a second material different from the first material and includes an annular portion. The annular portion includes a plurality of tooth ring attachment portions and a plurality of chain-driving teeth extending radially outward from the annular portion. The non-threaded fastener fixedly connects a sprocket body attachment portion and to a corresponding tooth ring attachment portion.
Public/Granted literature
- US20190277386A1 BICYCLE SPROCKET Public/Granted day:2019-09-12
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