VEHICLE Russian patent published in 1995 - IPC

FIELD: bicycles. SUBSTANCE: bicycle-type vehicle has vertical frame, for instance curved-down of conventional bicycle, with seat in form of chair and turnable fork with fitted-in wheel. The latter has hollow axle with large inner hole. Rigidly connected to lower part of vertical frame is horizontal frame, part of which serves as support for crankshaft with pedals installed in zone of front wheel axle. Ends of crank shaft are hinge-mounted in support. One of crank shaft ends is coupled with bottom bracket shaft by means of chain drive passing along horizontal frame. Section of middle axial part of crankshaft passes inside hollow axle of front wheel for free turning through preset angle without coming in contact with crankshaft. Hollow axle of front wheel bearing comes in contact with crankshaft only in extreme points of turning of handlebar. EFFECT: enlarged operating capabilities. 5 dwg