Harvesters – Motorized harvester – Including plural operating units and drive
Reexamination Certificate
1999-10-06
2001-08-14
Pezzuto, Robert E. (Department: 3671)
Harvesters
Motorized harvester
Including plural operating units and drive
C056S255000
Reexamination Certificate
active
06272820
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates generally to agricultural machinery and, more particularly, to an improved sugar cane harvester.
It is known from U.S. Pat. No. 4,098,060 that pairs of cutting disks required to cut sugar cane should be fitted with radially projecting blades arranged at intervals to each other. To obtain a clean cut, the rotation of each pair of cutting disks must be exactly synchronized. This synchronization requires a structurally complex and financially costly special gearbox.
SUMMARY OF THE INVENTION
It is an object of the present invention to facilitate a less expensive and more functionally secure cutting mechanism to harvest sugar cane.
Another object is to simplify the construction of the cutting disks in a sugar cane harvester.
In accordance with the present invention there is provided a sugar cane harvester comprised of a system of cooperating cutting disks, a comminution device which crushes cut stalks of sugar cane, a connecting feed rake which transfers the cut stalks of sugar cane from the cutting disks to the comminution device, at least one cleaning fan which separates chaff that is produced by the comminution of the cut stalks, a discharge conveyer which removes the chaff from the harvester, at least one pair of cooperating cutting disks which rotate without synchronous coordination to cut stalks of sugar cane and a cutter mounted to the circumference of each of the cutting disks.
These and other objects, aspects, features and advantages of the present invention will become apparent from the following detailed description when taking in conjunction with the drawings.
REFERENCES:
patent: 299142 (1884-05-01), Hilton
patent: 3848399 (1974-11-01), Makeham
patent: 4035996 (1977-07-01), Fernandez et al.
patent: 4098060 (1978-07-01), Quick
patent: 4196566 (1980-04-01), Donnelley
patent: 4302922 (1981-12-01), Guerndt, Jr. et al.
patent: 5546737 (1996-08-01), Moosbrucker
Leigers Gunter
Otten Hillrich
Claas Selbstfahrende Erntemaschinen GmbH
Husch & Eppenberger LLC
Kercher Kevin M.
Muir Robert E.
Pezzuto Robert E.
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