METHOD FOR INCREASING THE SPEED OF BICYCLES AND INSTANTANEOUSLY ATTACHED TRANSMISSION BICYCLE CAPABLE INSTANTANEOUSLY CHANGING SPEED

摘要

PURPOSE: A method for increasing the speed of bicycles and an instantaneously attached transmission bicycle are provided to manufacture a bicycle depending on the geographical features of each country. ;CONSTITUTION: An instantaneously attached transmission bicycle comprises a pulley chain gear(23) and pedal axis gears(2). The pulley chain gear is formed by rotating a gearshift(31) and is installed in a pedal axis(30). The pedal axis gears are installed in both sides of the bicycle. When the speed of the bicycle is changed, the pedal axis gears horizontally move a steering tube of an interlocking gear.;COPYRIGHT KIPO 2011