Patent ID: 7445224

Claim:
A folding bicycle including a frame with a main member extending in the fore and aft direction of the bicycle and having a forward end and a rearward end with respect to said direction, a rear wheel assembly comprising a rear wheel, the assembly being disposed in the region of said rearward end of the main member of the frame and being pivotably connected with the frame to be movable between a use position in which the rear wheel of the assembly in side elevation of the bicycle is disposed rearwardly of the frame and a folded position in which the rear wheel in the side elevation is in part disposed alongside the main member, chain drive means including a chain for driving the rear wheel, and drive and driven sprockets both engaged by the chain and a chain collecting device disposed to be clear of the chain during driving of the rear wheel and engageable with the chain so as to take up slack therein on movement of the rear wheel assembly from said use position to said folded position while keeping the chain in engagement with both the sprockets.