Harvesters – Motorized harvester – With condition-responsive operation
Patent
1989-05-23
1990-11-27
Kisliuk, Bruce M.
Harvesters
Motorized harvester
With condition-responsive operation
56 164, 56329, 56330, 198301, 198819, A01D 4626
Patent
active
049726625
ABSTRACT:
A system carried in a harvesting machine and adapted to align crops in a row so as to enhance harvesting, comprises a crop aggregating means which aggregates the crops by bringing first and second crop engaging means into engagement with right and left sides of the crops as the crops pass rearwardly. The system further comprises a locomotion means, which provides the main locomotion for the harvesting machine, an aggregating drive means to drive the crop engaging means rearwardly and a control means, connected together in a fluid circuit. The control means comprises a pressure differential valve, and first and second sensors. The pressure sensors are adapted to sense first and second fluid pressures, respectively, at first and second sides of the aggregating drive means and to actuate the pressure differential valve. The pressure differential valve relieves pressure in the fluid circuit when there is a pre-determined pressure difference between the first and second fluid pressures. In a second embodiment the locomotion means is separated from the fluid circuit that provides motive force to the aggregating means. The fluid circuit comprises the pump, the aggregating drive means and pressure control means. The pump operates at a rate in accordance with a rotation of a ground engaging wheel.
REFERENCES:
patent: 3414200 (1968-12-01), Savory
patent: 3550866 (1970-12-01), Swenson
patent: 3901005 (1975-08-01), Rohrbach et al.
patent: 4176511 (1979-12-01), Scudder et al.
patent: 4204389 (1980-05-01), Deifosse
patent: 4702065 (1987-10-01), Littau
Ramsay, "Mechanical Harvesting of Raspberries: Development of a System for Scottish Conditions", 1985.
Korthuis Donald L.
Korthuis Scott A.
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