Three wheeled vehicle with combined power transmission and steer

Details Three wheeled vehicle with combined power transmission and steer Three wheeled vehicle with combined power transmission and steer

1987-07-20

1989-04-25

Marmor, Charles A.

Motor vehicles

Steering by driving

Independently operable drive motors

180210, 180233, 180236, 280166, 74471XY, B60K 426, B66B 920

Patent

active

048238953

ABSTRACT:
A three wheeled vehicle having a pair of powered main wheels the speed of which is controlled in an independent manner for vehicle speed changes and turning. A caster wheel is carried by a suspension member which is manually adjustable relative the vehicle body. A control mechanism includes an operator control member, first and second linkage means coupling a vehicle control member with first and second variable speed transmission units and permits individual speed and directional control of each transmission unit. Appendages on the control member include swivel components with movement of the control member about multiple axes permitting like or differential movement to be imparted to the first and second linkage means. Linkage biasing springs return the control member to a neutral position in the absence of operator exerted force. A modified control member includes a switch to terminate engine operation upon release of the control member. A socket for the control member positions and locks same in neutral while permitting the engine to run.

REFERENCES:
patent: 3204791 (1965-09-01), Williams
patent: 3611827 (1971-10-01), Bottom
patent: 4116457 (1978-07-01), Nerem et al.
patent: 4178005 (1979-12-01), Kent, Jr.
patent: 4281737 (1981-08-01), Molzahn
patent: 4285416 (1981-08-01), Dudynskyj
patent: 4679810 (1987-07-01), Kimball

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