Motor vehicles – Special driving device – Portable track
Reexamination Certificate
2006-09-26
2006-09-26
Morris, Lesley D. (Department: 3611)
Motor vehicles
Special driving device
Portable track
C180S009100
Reexamination Certificate
active
07111697
ABSTRACT:
An endless track assembly wherein the weight of an associated vehicle/equipment is supported by the track framework. The track assembly provides a framework having a number of idler rollers and a drive sprocket that mounts to a rotational drive power source. The weight of the vehicle is transferred from a vehicle/equipment support flange that cooperates with a complementary support surface of the track framework and an intermediate bearing liner. The bearing support surfaces cooperate to permit the track frame to pivot relative to the chassis independent of the drive sprocket. The track assembly is particularly adapted to pivoting irrigation systems.
REFERENCES:
patent: 6116362 (2000-09-01), Schubert et al.
patent: 6176334 (2001-01-01), Lorenzen
Lum Lee
Morris Lesley D.
Tschida D L
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