Multiple sprocket assembly for bicycle

作者: Jun Kobayashi

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摘要: A bicycle multiple sprocket assembly comprises smaller and larger sprockets (2, 3) for shiftable engagement with a chain (C). The includes at least one reluctantly disengageable tooth (T3), supporting (T1a, T1b) immediately following the respect to forward rotational direction of assembly, easily (T2) teeth. apex (6) is wider than those other teeth thereon time shifting from sprockets.

参考文章(12)
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O Maeda Industries Ltd. Iwasaki, Jun C, Yoshihisa C, O Maeda Industries Ltd. Kobayashi, Bicycle multiple chainwheel ,(1990)
Masashi Nagano, Chain gear for a bicycle ,(1984)