Title:
TRANSMISSION FOR BICYCLE
Document Type and Number:
WIPO Patent Application WO/2011/122787
Kind Code:
A2
Abstract:
A transmission for a bicycle of the present invention comprises: a crank arm for receiving rotation driving force from a rotatable bicycle pedal so as to transmit the same to the side of a main shaft; a transmission gear section for changing the gear ratio of gears corresponding to a selected transmission level using the rotation force which has been transmitted to the main shaft; a lever control section for selecting one of the transmission levels of the transmission gear section according to the manipulation of the transmission lever so as to control one of respective cables connected to the respective transmission levels; and a clutching means driven by the one cable selected in the lever manipulation section for fixing one of the ring gears of the transmission gear section by tooth-engagement so as to control the transmission operation of the transmission gear section.
Inventors:
SONG, Yun Yi (104-903 Chonggu Apartment, Won-dongOsan-city, Kyunggi-do 447-735, 447-735, KR)
Application Number:
KR2011/002034
Publication Date:
October 06, 2011
Filing Date:
March 24, 2011
Export Citation:
Assignee:
SONG, Yun Yi (104-903 Chonggu Apartment, Won-dongOsan-city, Kyunggi-do 447-735, 447-735, KR)
International Classes:
B62M11/14; F16H1/28; F16H3/44
Attorney, Agent or Firm:
SHIN, Yong Hae (Hyun International Patent & Law office, 6th Floor Cambridge Bldg.,1451, Kwanyang-dong, Dongan-gu, Anyang-city, Kyunggi-do 431-060, 431-060, KR)
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Claims: