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专利名称：AUTOMATIC GEAR SHIFTER FOR BICYCLE 发明人：AOYAMA RINICHIRO
申请号：JP8988891
刘邦项羽申请日：19910328
公开号：JPH04300794A
西洋参治疗失眠
公开日：
大学三好学生主要事迹
19921023春读音
专利内容由知识产权出版社提供咬的组词
摘要：PURPOSE:To make an automatic speed change according to the
increa/reduction of a road load by making constitution in which an epicyclic gear is arranged with a sun gear, integrated with a crank arm to who tip part a pedal is fitted, as a center, a driven rotary body is located on the periphery of the epicyclic gear, and the gears are shaft-supported with rotation supporting plates. CONSTITUTION:Epicyclic gears 8 and 9, each one of them is composing a pair, are arranged rotatably by triction or more on a circumference identical with that of a sun gear 7 with the sun gear 7 engagedly fixed to a crank arm 6 as a center, and a driven rotary body 15, in which a sprocket 14 is formed in the periphery of an internal gear 13, is arranged on the outer side of the epicyclic gears 8 and 9. The respective gears are engaged with gears mutually corresponding to be shaft-supported with rotatable rotation supporting plates 11 and 12 fitted on both side surfaces of them. The respective rotation supporting plates 11 and 12 are rotatably supported by interposing ball bearings 11c and 12c between bearing grooves 11a and 12a, provided on the inner side surfaces of the rotation supporting plates 11 and 12, and bearings 11b and 12b provided on both the side surfaces of the sun gear 7 and the driven rotary body 15. Also a one-way clutch 16 is provided between the frame side rotation supporting plate 11 and
a hanger pipe 4.
中国英雄故事
申请人：AOYAMA RINICHIRO
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