bicycle by: kai dawson. history of bicycle bicycles were first invented in 1816. they introduced...

BICYCLEBY: KAI DAWSON

HISTORY OF BICYCLE

• Bicycles were first invented in 1816.

• They introduced into England in 1818.

• They were use for transportation to school, and to exercise.

• It was invented by Baron Karl Drais von Sauerbronn.

• People who want to exercise or lives near a school uses bikes.

BICYCLE PATENTS• Bicycle seats

• Foldable Bicycle

• Bike lock

• Motor/pedal bike

• Bike alarm system

BIKE MATERIAL

• Sprocket chains were made to keep the wheels spinning

IMPROVEMENTS TO THE BIKE

• Brakes

• Motor

• Training wheels

TIMELINE

• 1816: Baron Karl Drais von Sauerbronn built the first bicycle.

• 1818: Bicycle introduced in England.

• 1885: James Starley manufactured safety bicycle with wheels of approximately equal diameter and a sprocket-chain drive connecting the pedals with the rear wheels.

• 1888: The safety bicycle superseded the high-wheeled form.

CIATATIONS

• http://www.factmonster.com/encyclopedia/science/bicycle.html

• https://www.google.com/?tbm=pts&safe=active&ssui=on#q=bicycle&safe=active&ssui=on&tbm=pts