Title:
ADDITIONAL ADJUSTABLE FULLY-AUTOMATIC TRANSMISSION FOR BICYCLE
Document Type and Number:
WIPO Patent Application WO/2011/160307
Kind Code:
A1
Abstract:
Provided is an additional adjustable fully-automatic transmission for a bicycle. The transmission comprises a speed change unit (100) and a control unit (200). The speed change unit comprises: a case (110); a plurality of gear barriers (120) provided in the case and spaced each other, wherein one gear is formed between two adjacent gear barriers; a lower gear guide plate (130) which is transversely provided inside the case and is inferior to gear barriers; a guide shaft (140) which is transversely provided inside the case in an inner-outer direction and is located on one side of the lower gear guide plate facing the control unit. The control unit is slidably mounted on the guide shaft. The control unit has an action rod (217) and a guide sprocket wheel set (220) meshed with a chain (420), the action rod is located to one gear according to the pedal torque applied by the user and guides the chain to automatically shift to a corresponding gear in a gear plate set.
Inventors:
CHU, Hsin-kuang (3FNo.8, Ln43 Sanmin Rd. Neighborhood 001, Tze Chiang Block, Sung Shan Distric, Taipei Taiwan, 10591, CN)
Application Number:
CN2010/074499
Publication Date:
December 29, 2011
Filing Date:
June 25, 2010
Export Citation:
Assignee:
CHU, Hsin-kuang (3FNo.8, Ln43 Sanmin Rd. Neighborhood 001, Tze Chiang Block, Sung Shan Distric, Taipei Taiwan, 10591, CN)
International Classes:
B62M9/04; B62M9/10; B62M9/123; B62M9/125
Attorney, Agent or Firm:
XIAMEN LONGER PATENT ATTORNEYS OFFICE (ZHONG, YihongUnit B1, 8th Floor,Post Office Bldg., No.458 Xianyue Road, Siming Distric, Xiamen Fujian 2, 361012, CN)
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