| 摘要 |
A rolling vehicle ( 10 ) with two front steering wheels ( 16, 18 ) comprising a frame ( 14 ), handlebars ( 20 ), at least a rear driving wheel ( 12 ) connected to a motor ( 22 ), and a steering kinematism of the two front wheels ( 16, 18 ), wherein the steering kinematism is longitudinal and comprises two parallel longitudinal arms ( 36, 38 ) fixedly connected at one end of a steering control lever ( 26 ), connected to the handlebars ( 20 ) through a cylindrical hinge ( 24 ), and at the other end, through two spherical hinges ( 32, 34 ), to two articulated quadrilaterals, also longitudinal with respect to the vehicle ( 10 ), which rotatably connect the two front wheels ( 16, 18 ) to the frame ( 14 ), so as to achieve steering, performed by a user through a rotation of the handlebars ( 20 ), of the two front wheels ( 16, 18 ) with respect to the frame ( 14 ).
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