Unearthing plants or buried objects – Unearthing unit rocking or fulcrumed on ground
Patent
1992-07-10
1994-08-02
Reese, Randolph A.
Unearthing plants or buried objects
Unearthing unit rocking or fulcrumed on ground
37302, 37303, 254132, A01G 2306
Patent
active
053336933
ABSTRACT:
A tractor-mounted tree stump puller having articulating components that create a mechanical advantage to remove buried objects or the like from the ground in response to forward movement of the tractor. The implement comprises at least two components pivotally joined to form an articulating structure that shifts from a retracted position to an extended position upon forward movement of the tractor. An articulating structure so formed has a first end pivotally coupled to the tractor, and a second end rigidly attached to a forked structure. Just prior to the removal process, the forked structure is disposed to engage a buried object. With the forked structure engaging a buried object, the tractor moves in a forward direction causing the articulating components to shift from a retracted position to an extended position. As the articulating structure shifts to the extended position, a mechanical advantage is created to rotate and lift the tines of the forked structure, and likewise rotate and lift the buried object. In this way, the articulating stump puller multiplies the power of a tractor to lift buried objects from the ground. Accordingly, small tractors having limited pulling power can be employed to remove relatively large tree stumps or buried objects.
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Forster William G.
Reese Randolph A.
Warnick Spencer
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