Control means

Details Control means Control means

1976-11-10

1978-09-05

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74417, G05G 900

Patent

active

041110668

ABSTRACT:
This invention relates to improved traction control means for a mobile vehicle such as a tractor or excavating machine having a pair of laterally spaced, endless crawler tracks, each of which is powered independently by its own traction motor for generally curvilinear travel of the vehicle at variable speeds in either the forward or reverse direction.

REFERENCES:
patent: 1541052 (1925-06-01), Hunt
patent: 1869326 (1932-07-01), Ludlow
patent: 2038943 (1936-04-01), Fountain
patent: 2191842 (1940-02-01), Back
patent: 2313768 (1943-03-01), Putt
patent: 2407322 (1946-09-01), Morrison
patent: 2439393 (1948-04-01), Kerr
patent: 2618447 (1952-11-01), Le Carme
patent: 3611827 (1971-10-01), Bottum et al.
patent: 3625302 (1971-12-01), Lauck

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