Land vehicles – Wheeled – Occupant propelled type
Patent
1986-05-28
1987-12-15
Pekar, John A.
Land vehicles
Wheeled
Occupant propelled type
B62M 100
Patent
active
047128062
ABSTRACT:
A Girocycle VI wheel assembly mounted on a two-wheeled vehicle including a fixed axle, comprises an inner wheel having twin gear hubs rotatably mounted on the axle, a flywheel-gyro adjacent to or between the radially supporting spokes or sides of the inner wheel rotatably supported through a gear assembly on the twin gear hubs, and engageable with the axle through a clutch activated by the joint interaction of an outer wheel clutch controlling a gear and axle mounted thrust wedge, and an outer wheel concentric with the axle and with the inner wheel, and in contact with the ground. A device rotatably locks the two wheels so that they jointly rotate together. Braking causes the outer wheel and consequently the vehicle to stop. The brake at the same time effects disengagement of the inner wheel from the outer wheel and engagement of the flywheel to the axle through a gear thrust wedge and clutch mechanism causing the inner wheel and the flywheel-gyro to rotate relative to and within the outer wheel as long as idling rotation is applied to the inner wheel. The flywheel-gyro is rotatably engaged with the inner wheel and the axle via planetary gears and the clutch mechanism. The inner wheel rotates relative to the axle and rotatably engages the outer wheel remote from the axle and close to the ground. As a result a combined gyroscopic action exerted by the rotating inner wheel and flywheel-gyro assembly operatively connected to the ground through the outer wheel causes the two-wheeled vehicle to remain in upright equilibrium even though the vehicle is stopped. Upon releasing the brake the gyroscopic energy stored during idling will impart to the outer wheel a torsional force and move the vehicle automatically forward before pedaling or other acceleration is applied.
REFERENCES:
patent: 1258431 (1918-03-01), Myers
patent: 1599117 (1926-09-01), Conlon
patent: 2141233 (1938-12-01), Alexander
patent: 2580944 (1952-01-01), Nemeth
patent: 4116088 (1978-09-01), Giovachini
patent: 4272094 (1981-06-01), Patrin
Farber Martin A.
Pekar John A.
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