STABILITY DEVICE FOR A SINGLE-TRACK WHEELED TRANSPORTATION VEHICLE Russian patent published in 1994 - IPC

FIELD: transportation facilities. SUBSTANCE: stability device has a spring-actuated telescopic lever 25 hinged by its upper end near tail wheel spindle 12 and having on its lower end transverse axle 26 bearing stability wheels 27. The lever may be lowered by means of turning pedals backward to wind cable 22 on drum 31 mounted on pedal shaft 18. The transverse axle bears also roller 51 which is provided with flanges. When the lever is lowered by the rider (by turning the pedals backward), the transverse axle 26 is drawn under the tail wheel, as the vehicle stops, and the roller engages tire 13 rising the tail wheel above the ground. As this takes place, the major portion of the rider's weight is transmitted to the ground via the tail wheel, roller. transverse axle, and stability wheel. EFFECT: increased safety; increased convenience of the rider. 14 cl, 6 dwg