Track drive for a mobile irrigation system
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United States of America Patent
Stats
-
Oct 19, 2004
Grant Date -
Sep 12, 2002
app pub date -
Feb 25, 2002
filing date -
Mar 12, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A track drive system for a mobile irrigation system adapts to either centrally pivoted circular or linear mobile systems, as desired. A first embodiment has a single drive wheel with opposed first and second end guide wheels, surrounded by a single narrow track. A single drive motor and gear reduction drive, drives the central wheel. The central wheel is of considerably larger diameter than the two end guide wheels, and simultaneously contacts the track with both its upper and lower peripheries at all times. The mechanism is articulated to allow independent wheel movement relative to one another, thus providing better traction over uneven surfaces. The central drive wheel is always in contact with both the upper and lower track portion to provide continuous drive traction for the device. A second embodiment includes additional idler wheels between the two end wheels and the central drive wheel.
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