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Flex Coupler Lets You Fold Rod Weeder
Rod weeders are widely used in the western states but they've always been a problem because of the difficulty in folding them up for road transport. Ground-drive units that fold often have universal joints that take 30 minutes or more to hook up, and hydraulic drive folding rod weeders need a separate drive for each section of rod.
Three years ago, Barry Harmon, of Scobey, Mont., began working on an automatic coupling "universal joint." Recently introduced to the market, his new Uni-Flex coupler is a hot seller.
The trick to designing the new flex joint was making it flex at the joint but still provide a strong rotational drive. He accomplished it with a spring joint that allows the tip of the connecting rod to slip into the receiving end of the joint, yet remain rigid for work in the field. The point of the connecting rod is completely self aligning and can be raised and lowered repeatly without any manual adjustment.
All wear parts of the Uni-Flex are replaceable and any number can be placed on a single rod weeder. They sell for $69.50 apiece.
For more information, contact: FARM SHOW Followup, Rasmus Nelson, Box 248, Scobey, Mont. 59263 (ph 406 487-2263).

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1985 - Volume #9, Issue #4