Patent ID: 8899605
Filing Date: 2014-12-02
Classification: B62K,B62M

Abstract:
1. A pedal-driven rolling board in a rolling board characterized in that a handle 22 steering front wheels 20 is disposed at a front side of a board 10 , and rear wheels 30 are axially engaged to a rear side of it by means of a rotary gear 70 and a rotary shaft 72 , and two pedals 40 are formed on the upper surface of the board 10 for the purpose of driving the rear wheels 30 , and a link 42 one end of which is hinged is installed on the lower surface of the pedal 40 , and a crank shaft 44 is installed at the other end of the link 42 in an axial engagement way for converting the reciprocation movements of the pedals 40 into rotational movements, and a driving gear 46 is integrally engaged at an end portion of the crank shaft 44 , so the rotational force of the crank shaft 44 is transferred to the rotary gear 70 by way of the driving gear 46 , thus driving the rear wheels 30 , and a saddle 80 is provided on the upper surface of a rear side of the board 10 , comprising: a clutch gear first and second connection gears a driving force transfer gear wherein the first speed change gear