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Parallel-Riding Bicycle
PCT/CN08/071250
E-mail: [email protected]
 Parallel-Riding Bicycle, a three-wheeled bicycle,
permitting operation by two people to pedal
jointly shoulder to shoulder that provides the
means of transportation, exercise, entertainment,
and social life. For its performance in mechanical
term is just like the conventional bicycle, we can
flexibly operate this three-wheeled bicycle and
keep bicycle body balanced even on uneven
ground. Besides, the configuration is made
strong and can be dismantled and assembled
quickly.
Bicycle permitting
operation by two people.
Before Now
Principal Bicycle and Two
Types of Auxiliary Bicycles
Parallel-Riding Bicycle
Three Directions
To Look
A Finished Product
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 The bicycle body comprises one conventional
single operator bicycle attached with one
auxiliary bicycle. Parallel-Riding Bicycle can be
Mountain Bike, City Bike, or even Exercise Bike.
Furthermore, for it’s steered by the principal
bicycle rider so that it can be used by children,
elders, and even the disabled.
 Parallel-Riding Bicycle has a set of coupling
bars. Four rows of perpendicularly-arranged
springs lined between the bars. Therefore, the
three-wheeled bicycle can lean with the
principal and auxiliary bicycle paralleled within
a limited range to prevent overturn.
Joint Configurations
Another Type of Joint
Driving System
Spokes
Protecting Plate
Gear Wheel
Axle
Ball Bearing
Crank
Shaft Configuration
 Springs are interlaced between ends of joint
configuration, which can resist deformation and
therefore maintain the stability of both principal
and auxiliary bicycle bodies. Utilizing quantity
discrepancy of these four rows of springs and
the location of hook holes to change pulling
force and therefore make the auxiliary seat post
remain level when it’s motionless instead of
leaning forward or backward.
 In case the principal and auxiliary bicycle bodies
encounter height discrepancy or are operated on
uneven ground, for example, the ground level in
which auxiliary bicycle located is higher than that
of principal bicycle in the left side, the left end of
coupling link will lean downwards as shown in
the left exhibition. When this three-wheeled
bicycle is turning, for instance, turning right, it
shall be like that shown in the right exhibition.
The number of invention patent application is
PCT/CN08/071250 dated June 10, 2008.
To Change Shape
Uneven Ground
Turning Right
Advantages
․ High driving safety
․ Quickly to install
․ Can be mounted on nearly all bikes
․ Beside you instead of behind you
Thank You!
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