DUAL TRACKED DRIVE UNIT FOR A SELF-PROPELLED IRRIGATION SYSTEM
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United States of America Patent
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-
N/A
Issued Date -
Dec 5, 2002
app pub date -
May 29, 2001
filing date -
May 29, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A drive unit for a center pivot irrigation system is described which has a pair of track units mounted thereon. The drive tower includes an elongated base beam having opposite ends. A drive wheel is mounted on each end of the base beam with the drive wheels being driven in conventional fashion. An idler wheel is operatively rotatably mounted on the base beam inwardly of each end thereof adjacent the respective drive wheels. An endless track member extends around each of the drive wheels and the idler wheel associated therewith. Means is provided for vertical movement of the idler wheels as well as means for yieldably urging the idler wheels downwardly with respect to the base beam.
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