Motor vehicles – Special driving device – Portable track
Patent
1975-05-12
1976-09-14
Wood, Jr., M. H.
Motor vehicles
Special driving device
Portable track
308 72, B62D 5508
Patent
active
039801497
ABSTRACT:
A track-type vehicle comprises a main frame having a pair of laterally spaced track roller frames pivotally mounted on either side thereof. The rearward ends of the track roller frames are pivotally mounted for vertical movements on opposite ends of an axle extending transversely therebetween. The axle is mounted on the main frame by a pair of self-aligning spherical bearing assemblies.
REFERENCES:
patent: 2948347 (1960-08-01), Risk
patent: 3117647 (1964-01-01), Polko
patent: 3225849 (1965-12-01), La Casse
patent: 3700295 (1972-10-01), Butzow
patent: 3700298 (1972-10-01), Hay
patent: 3825088 (1974-07-01), Copeland
patent: 3828873 (1974-08-01), Oestmann
patent: 3873166 (1975-03-01), Berg
Abdel-Latif Mohamed Abdel-Fattah
Blomstrom Gary D.
Cochran Thomas E.
York Lyle E.
Carroll John A.
Caterpillar Tractor Co.
Wood, Jr. M. H.
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