Land vehicles – Wheeled – Extensible
Patent
1994-05-10
1995-10-03
Tyson, Karin L.
Land vehicles
Wheeled
Extensible
180209, 180906, 301128, B62D 6100, B60B 3510, B60B 3514
Patent
active
054545838
ABSTRACT:
A rear axle auto-tracking system automatically ensures that the rear axle follows the front axle on an agricultural vehicle having adjustable front and rear track assemblies. With the auto-tracking system energized, the vehicle operator simply adjusts the front track while driving and the rear axle automatically adjusts to stay in line with the front track within about .+-.1/2 inch per side. The system can be turned off to allow independent rear track adjustment. If the system is re-energized while driving, the rear track will quickly adjust to follow the front axle setting. As when adjusting the front track, the vehicle must be moving when adjusting the rear axle track.
REFERENCES:
patent: 1967283 (1934-07-01), Brown
patent: 2173419 (1939-09-01), Johnson
patent: 4039094 (1977-08-01), Grove
patent: 4120507 (1978-10-01), Miller
patent: 4449600 (1984-05-01), Telfer
patent: 4986386 (1991-01-01), Iwamoto et al.
patent: 5039129 (1991-08-01), Balmer
patent: 5121808 (1992-06-01), Visentini et al.
patent: 5282644 (1994-02-01), Larson
Ag-Chem Equipment Company, Inc.
English Peter C.
Tyson Karin L.
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