Patent ID: 7510202

Claim:
A foldable bicycle having a rear frame having a seat tube having a bottom end; and an external surface; a bottom bracket being connected to the bottom end of the seat tube and having two free ends; a rear fork being connected to the seat tube and the bottom bracket and having a dropout; and a rear wheel being rotatably connected to the rear fork and having a wheel axle connected to the dropout of the rear fork; a folding assembly being connected to the rear frame and having a supporting device being connected to the bottom bracket of the rear frame and having a mounting bracket being connected to the free ends of bottom bracket of the rear frame and having two front ends; and a supporting element being connected to the mounting bracket and having a connected tube being pivotally connected to the mounting bracket and having a lower end being connected to the front ends of the mounting bracket; an upper end; and an external surface; and an extending tube being connected to the connecting tube and having a diameter smaller than the connecting tube; a rotating jacket being rotatably mounted around the extending tube of the supporting device and having a top end; a bottom end; and an external surface; and a locking device being connected to the rotating jacket and the seat tube of the rear frame; and a front frame being connected to the folding assembly and having a top tube being formed on the external surface of the rotating jacket opposite to the locking device and having a front end; a head tube being connected to the front end of the top tube and having a lower end; a front fork being connected to the lower end of the head tube; and a front wheel being rotatably connected to the front fork and having a wheel axle connected to the front fork.