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    • 1. 发明申请
    • BICYCLE SPROCKET ASSEMBLY WITH CHAIN PROTECTOR
    • 自行车支架组件与链条保护器
    • US20080289927A1
    • 2008-11-27
    • US11752762
    • 2007-05-23
    • Hongfei Ji
    • Hongfei Ji
    • F16D41/24
    • B62J13/00B62M9/128
    • A bicycle sprocket assembly includes a sprocket element and a chain protector. The sprocket element has a plurality of teeth disposed on an outer periphery about a center rotation axis and at least one first attachment element. The chain protector includes a protecting portion and an attachment portion disposed radially inwardly of the protecting portion. The attachment portion has at least one second attachment element that mates with the first attachment element in response to relative rotational movement between the sprocket element and the chain protector.
    • 自行车链轮组件包括链轮元件和链条保护器。 链轮元件具有围绕中心旋转轴线设置在外周上的多个齿和至少一个第一附接元件。 链保护器包括保护部分和设置在保护部分的径向内侧的附接部分。 附接部分具有响应于链轮元件和链条保护器之间的相对旋转运动而与第一附接元件配合的至少一个第二附接元件。
    • 2. 发明授权
    • Bicycle sprocket assembly with chain protector
    • 带链条保护器的自行车链轮总成
    • US08888629B2
    • 2014-11-18
    • US11752762
    • 2007-05-23
    • Hongfei Ji
    • Hongfei Ji
    • B62J13/00F16D1/00F16D57/02B62M9/128
    • B62J13/00B62M9/128
    • A bicycle sprocket assembly includes a sprocket element and a chain protector. The sprocket element has a plurality of teeth disposed on an outer periphery about a center rotation axis and at least one first attachment element. The chain protector includes a protecting portion and an attachment portion disposed radially inwardly of the protecting portion. The attachment portion has at least one second attachment element that mates with the first attachment element in response to relative rotational movement between the sprocket element and the chain protector.
    • 自行车链轮组件包括链轮元件和链条保护器。 链轮元件具有围绕中心旋转轴线设置在外周上的多个齿和至少一个第一附接元件。 链保护器包括保护部分和设置在保护部分的径向内侧的附接部分。 附接部分具有响应于链轮元件和链条保护器之间的相对旋转运动而与第一附接元件配合的至少一个第二连接元件。