Title:
DOUBLE LAYER-TYPE INSTANT ENGAGEMENT GEAR SHIFTING BICYCLE
Document Type and Number:
WIPO Patent Application WO/2012/039550
Kind Code:
A1
Abstract:
The present invention relates to a bicycle which is fitted with an engaging-type gear shifter, wherein the gear shifter is a double layer-type one that employs two chains so as to provide two gears, i.e. a low-speed gear for climbing steep inclines and a high-speed gear, which are independently attached onto the left and right sides of a bicycle and instantly shifted by slightly rotating the grips of the handlebars of the bicycle.
More Like This:
| JP08207869 | REAR DERAILER FOR BYCYCLE |
| WO/1991/010080 | BICYCLE GEAR SHIFTING METHOD AND APPARATUS |
Inventors:
SIM, Won Bo (Cheng ho A.P.T. 105-103, 327 Heukseok 3dong Dongjag-gu, Seoul 156-070, 156-070, KR)
Application Number:
KR2011/005699
Publication Date:
March 29, 2012
Filing Date:
August 03, 2011
Export Citation:
Assignee:
SIM, Won Bo (Cheng ho A.P.T. 105-103, 327 Heukseok 3dong Dongjag-gu, Seoul 156-070, 156-070, KR)
International Classes:
B62M9/121; B62K23/02; B62M11/04
Download PDF:
Claims: