发明申请
- 专利标题: CASSETTE AND BICYCLE WHEEL ASSEMBLY
- 专利标题(中): CASSETTE和BICYCLE轮组件
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申请号: US15348815申请日: 2016-11-10
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公开(公告)号: US20170056955A1公开(公告)日: 2017-03-02
- 发明人: David M. Earle , Ding-Jiun Lin
- 申请人: Praxis Works LLC
- 申请人地址: US CA Santa Cruz
- 专利权人: Praxis Works LLC
- 当前专利权人: Praxis Works LLC
- 当前专利权人地址: US CA Santa Cruz
- 主分类号: B21D53/28
- IPC分类号: B21D53/28 ; B21D53/86
摘要:
A cassette for a bicycle may include a plurality of sprocket portions joined together into a single unit. The cassette may include a cavity formed in the large end of the cassette. A related manufacturing method may include joining a first generally planar sprocket portion having a plurality of connector portions extending transverse to the plane of the first sprocket portion, to a second generally planar sprocket portion, e.g., by fusing at least one of the connector portions to the second sprocket portion.
公开/授权文献
- US10160030B2 Cassette and bicycle wheel assembly 公开/授权日:2018-12-25
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