Tricycle with driving units
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Dec 23, 2010
app pub date -
Jun 23, 2009
filing date -
Jun 23, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A tricycle includes a head tube with a post connected to a first end thereof and a front wheel is connected to a lower end of the head tube. A handle is foldably connected to the post. Two swing links pivotably connected to the head tube by a front wheel seat on the head tube and each swing link includes a footboard and a rear wheel connected to each of the footboards. Two pedals are pivotably connected to the two footboards and each pedal is cooperated with a driving unit which includes a rotary unit and driving unit. The rotary unit is activated by pressing the pedal and the driving unit can only drive the rear wheel in one direction. The user holds the handles and steps on the footboards, by twisting his or her body, the tricycle moves forward as conventional tricycle. By alternatively pressing the pedals, the rear wheels accelerate by the driving unit such that the tricycle can move faster. The handles, the two swing links and the pedals are foldable to make the tricycle be compact size.
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