Dual riding and driving tricycle in juxtaposing link

Abstract

A dual riding and driving tricycle in juxtaposing link comprises a primary bicycle body, an auxiliary cycle body and an articulation mechanism including a resilient tension mechanism.Primary bicycle body comprises a saddle sat by a primary rider, a front wheel controlled by a steering handle, a rear wheel and a pair of pedals to drive.Auxiliary cycle body comprises an auxiliary saddle sat by an auxiliary rider, an auxiliary wheel with a hub shaft located between hubs of front wheel and rear wheel in primary bicycle body and a pair of pedals to drive.Articulation mechanism comprises a left holding base, a right holding base and two parallel linking trough beams being disposed between both holding bases.Resilient tension mechanism comprises plural elastic elements connected on articulation mechanism respectively. Thereby, primary rider and auxiliary rider can independently tread respective pedals to drive synergistically.

Description

TECHNICAL FIELD OF THE INVENTION[0001]The present invention relates to a dual riding and driving tricycle in juxtaposing link, particularly for one that can be pedaled by two drivers in side-by-side coordination manner so that the drivers and tricycle will incline integrally in parallel manner without tumbling or overturning possibility.BACKGROUND OF THE INVENTION[0002]Generally speaking, the bicycle is a kind of very popular transportation means of manpower type. It is all well-known that bicycle is totally unstable when standstill, which must rely on the foot of the rider to maintain the equilibrium. Upon driving turns, inertia makes the bicycle body keep advance along the original direction. If weight center is too high, bicycle speed is too fast or too urgent sharp during turn, even friction force is enough to offer the necessary centripetal force, the centrifugal moment may make the bicycle body rotate and overturn. When bicycle performs turn, by inclination of driver body and ...

AI Technical Summary

Benefits of technology

"The present invention provides a tricycle that can be driven by two riders in a synergistic manner, with each rider able to independently tread their own pedals. The tricycle also features an articulation mechanism that keeps it stable and balanced, even when running over uneven roads or making turns. Additionally, the tricycle has an auxiliary wheel that is firmly connected to the cranks of the pedals, and a gear box containing both an active and passive gear set. The changeable gear cluster and gear set are linked to be able to mutually drive each other. The tricycle also has a rear wheel and front wheel in the primary bicycle body, with an auxiliary wheel in the auxiliary cycle body, which are linked in a way that both bodies are stable and balanced."

Problems solved by technology

It is all well-known that bicycle is totally unstable when standstill, which must rely on the foot of the rider to maintain the equilibrium.

If weight center is too high, bicycle speed is too fast or too urgent sharp during turn, even friction force is enough to offer the necessary centripetal force, the centrifugal moment may make the bicycle body rotate and overturn.

However, the double seats for two riders in tandem bicycle in the patented tandem bicycle are arranged in linear one-after-another longitudinal fashion, which is very unstable and susceptible to laterally tumble during driving or parking status unless being upheld by side supporter or held by the foot of the rider to maintain the equilibrium when standstill.

Although the patented quadricycle golf cart enables two riders to pedal driving power respectively in synergistically manner, the rigid link between double seats for two riders are non-articulatory manner in the quadricycle chassis so that the overall quadricycle body is susceptible to laterally tumble during high speed or turn-making driving fashion.

However, the structure of parallel-linking dual-riding bicycle is linked of two independent bicycles by a fixing rod in rigid manner without articulation flexibility, which results in awkward action during high speed or corner turn; if it is forced to drive in high speed, sharp turn or in passing over bumpy road, the parallel-linking dual-riding bicycles may overturn.

Thus, it is only good for children in learning walk.

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