Articulated, folding and sectional bicycle with special suspension system

Claim 1

A folding bicycle comprising: a front frame provided with: an elongated front frame bar formed with opposite ends, steering means for driving the bicycle and connected with one end of the front frame bar and including a front wheel and a handle bar operatively connected with the front wheel, and a saddle spaced from the steering means and mounted on the other end of the front frame bar; a rear frame provided with: a rear frame bar having opposite ends, a rear wheel on one of the ends of the rear bar, a sprocket on the other end of the rear frame bar, and driving means for driving the bicycle and including a pair of pedals and an endless transmission element running between the sprocket and the rear wheel; and suspension means for absorbing impacts produced by irregularities of a terrain and including a joint between the elongated bar and the rear bar and formed with bearings operatively connecting with the front and rear bars, so that said frames are articulated to one another and said joint, a flexible element having respective opposite ends thereof connected with said sprocket and said steering means, and tension means suspended between the joint and the flexible element for pretensioning the element thereby forming a bend therein between the opposite ends of the element to absorb the impact.