Implements or apparatus for applying pushing or pulling force – Single throw lever – Mechanically actuated
Reexamination Certificate
2006-06-27
2006-06-27
Watson, Robert C. (Department: 3723)
Implements or apparatus for applying pushing or pulling force
Single throw lever
Mechanically actuated
C254S132000
Reexamination Certificate
active
07066449
ABSTRACT:
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.
REFERENCES:
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patent: 3974925 (1976-08-01), McKenzie
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patent: 4445557 (1984-05-01), Peters, III
patent: 5516250 (1996-05-01), Sawyer
patent: 5526637 (1996-06-01), Leonard
patent: 6010294 (2000-01-01), Lyddon
Trefan Lajos
Trefan Szabolcs
Trefan Szilard
Novak Druce & Quigg LLP
Voight James D.
Watson Robert C.
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