Bicycle with pivotable rear wheel

Claim 1

A bicycle comprising: a rigid upright main frame having front and rear ends; a saddle fixidly mounted to said main frame for support of a rider; a front fork journalled intermediate its upper and lower ends about a first upright axis at the front end of the main frame, said front fork having a front wheel rotatable mounted to its lower end; a handlebar assembly fixed to the upper end of said front fork; a rear fork journalled at its upper end about a second upright axis at the rear end of the main frame, said rear fork having a rear wheel rotatably mounted to its lower end about a rear wheel axis; a rigid pedal frame fixed to the rear fork and extending outwardly therefrom alongside said rear wheel; foot-operated pedal means movably mounted to the outer end of said pedal frame, said pedal means being drivingly connected to said rear wheel for turning said rear wheel about said rear wheel axis; said rear fork being free to move about said second upright axis independently of movement of said front fork about said first upright axis; the angular position of the front fork relative to the main frame about said first upright axis being controllable by the hands of the rider through the handlebar assemblies; the angular position of the rear fork relative to the main frame about said second upright axis being controllable by the feet of the rider through the pedal means and pedal frame independently of the angular position of the front fork about said first axis.