1999 - Volume #23, Issue #1, Page #19
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Drive-Over Gate Closes Itself
No animal can get by this new drive-over gate that closes itself.
Invented by Alberta farmer Hans Knudtson, the gate consists of uprights made of lightweight 1 1/4-in. sq. aluminum. When pushed by a bumper or tires, the gate folds flat to the ground. Spring-loaded cables attached to the corners raise the gate bac..........


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1999 - Volume #23, Issue #1