Control mechanism for a dual hydrostatic transmission vehicle dr

Details Control mechanism for a dual hydrostatic transmission vehicle dr Control mechanism for a dual hydrostatic transmission vehicle dr

1981-07-06

1983-08-23

Peters, Jr., Joseph F.

Motor vehicles

Steering by driving

Independently operable drive motors

74471XY, 180333, B62D 1100

Patent

active

043998828

ABSTRACT:
A transmission control mechanism for a vehicle having a dual hydrostatic transmission vehicle drive system having a first and second lever mounted to respective displacement control rods of transmission pump units. A cross member communicates with the levers via connecting rods. A steering column is mounted to the cross member. The steering column is mounted in the vehicle such that it can experience simultaneous rotational and pivotal motion. Pivoting of the steering column causes the pump units to displace with a constant relative displacement, and rotation of the steering column causes the pumps to displace with a differential relative displacement.

REFERENCES:
patent: 3469381 (1969-09-01), Burrough et al.
patent: 3707887 (1973-01-01), Day
patent: 3810517 (1974-05-01), Hurlburt et al.
patent: 3882679 (1975-05-01), Williamson
patent: 4090411 (1978-05-01), Albright et al.

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