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US 7,066,449 B1Granted
Process and apparatus for uprooting trees
OwnerLajos Trefan, Szabolcs Trefan +1inventors
InventorsLajos Trefan, Szabolcs Trefan, Szilard Trefan
Life of this patent
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OwnerLajos Trefan, Szabolcs Trefan +1inventors
InventorsLajos Trefan, Szabolcs Trefan, Szilard Trefan
Estimating the term…
The subject of the invention is the excavation of trees by disrooting then by a hydraulic equipment, when the power machine (1) is connected in a rotatable manner to the timber holding frame (9), the supporting frame (3) and the elevating working cylinder (10); the timber holding frame (9) is connected to the timber holding equipment (8), wich is able to catch the timber (6) by its arms (7); the timber holding frame (9) is connected to the throwing working cylinder (5) and the supporting frame (3) is attached in a rotatable manner to the supporting cylinder (4); and in case of articulated setting-up of the supporting frame (3) the movement of the two parts of the supporting frame is done by the adjusting tool (2); then the upper part of the throwing working cylinder (5) is connect to any part of the supporting frame (3); furthermore the other end of the elevating working cylinder (10) is connected to the supporting frame (3) or in case of rigid joint setting-up of the supporting frame (3) one end of the adjusting tool (2) is connected to it, while the other end to the throwing working cylinder (5); furthermore the elevating working cylinder (10) can be connected to the timber holding frame (9) directly or via articulated power transmission.
A hydraulic equipment capable of excavating trees by disrooting them, which comprises a power machine (1), timber holding equipment (8) and a timber supporting frame (3);
A hydraulic equipment capable of excavating trees by disrooting them, which comprises a power machine (1), timber holding equipment (8) and a timber supporting frame (3);
A hydraulic equipment capable of excavating trees by disrooting them, which comprises a power machine (1), timber holding equipment (8) and a timber supporting frame (3);
Dependencies are inferred from the claim text.