Earth working – Processes
Reexamination Certificate
2007-02-20
2007-02-20
Novosad, Christopher J. (Department: 3641)
Earth working
Processes
C172S477000, C172S500000
Reexamination Certificate
active
10705176
ABSTRACT:
A ground engaging agricultural toolbar for accommodating uneven terrain. The toolbar is provided with a plurality of long arms with multiple articulations, actuated and controlled by hydraulic cylinders. The hydraulic cylinders may be actuated to fold the toolbar for transport and to prevent the toolbar from becoming damaged as it moves across uneven terrain. The toolbar may also be actuated to anticipated variations in the terrain, to further prevent potential damage to the machine.
REFERENCES:
patent: 4355689 (1982-10-01), Friggstad
patent: 5161622 (1992-11-01), Godbersen
patent: 5180028 (1993-01-01), Perrenoud, Jr.
patent: 07177944 (1995-07-01), None
patent: 07332453 (1995-12-01), None
Redenius Mitchell
Williams James R.
Hagie Manufacturing Co.
Novosad Christopher J.
Trout Brett
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