Transmission control linkage

Details Transmission control linkage Transmission control linkage

1975-05-19

1976-05-04

Wood, Jr., M. H.

Motor vehicles

Compensating devices

74531, F16C 118

Patent

active

039541460

ABSTRACT:
A vehicle, such as a crawler tractor or the like, includes separate reversible hydrostatic transmission units which are adapted for driving the tracks of the tractor. The transmission units are controlled through means including a valve assembly actuated by a first manually operable linkage for simultaneously effecting changes in the speed and direction of rotation of the units, and through means of a pair of second manually operable linkages for in effect overriding the transmission condition selected by the first manually operable linkage by selectively retarding the speed of and/or changing the direction of rotation of the hydrostatic motors for effecting steering of the vehicle.

REFERENCES:
patent: 2197290 (1940-04-01), Baker et al.
patent: 2378688 (1945-06-01), Codlin
patent: 2382330 (1945-06-01), Pain
patent: 2749825 (1956-06-01), Hirasuna
patent: 3477308 (1969-11-01), Wagstaff
patent: 3605903 (1971-09-01), Glesmann
patent: 3828624 (1974-08-01), Weigand

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