US Patent 7591473 Folding bicycle

The present invention discloses a folding bicycle, wherein a folding joint is installed on the beam, and the rear fork is hinged with the frame via a hinge axle, on the rear fork is installed a support bar which rests against the frame; and wherein the beam is S-shaped, and the hinge axle is tilted by an acute angle with respect to the central axle of the frame. When the bicycle is folded, the front and rear wheels are located separately, each at one side of the beam and within the concave section of the S-shaped beam, so that the bicycle is more compact and has a less width after being folded.