Motor vehicles – Special driving device – Portable track
Patent
1999-05-24
2000-11-14
Johnson, Brian L.
Motor vehicles
Special driving device
Portable track
180 91, 180 952, 280758, B62D 5500
Patent
active
061456098
ABSTRACT:
The present invention comprises at least one cylinder, such as a hydraulic cylinder connected between a vehicle or machine upper structure frame and a dual track undercarriage which is used to shift the weight of a tracked vehicle so that the vehicle or machine turns easier, suffers less componentry wear, and inflicts less damage on a surface under the tracked vhiicle or machine. A simple electronic control can be used to permit an operator to indicate the desired direction of turn, which then actuates a sensor which signals an electric solonoid operated hydraulic valve which then directs hydraulic fluid to the cylinder which shifts the weight as required for the direction of turn.
REFERENCES:
patent: 4230199 (1980-10-01), Stedman
patent: 4325443 (1982-04-01), Fischer et al.
Hoelscher Kurtis Rex
Johnson Brian L.
Klebe G B
Morgan, P.E. George H.
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