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AssigneeDeere & Company
InventorsTimothy John Trelstad, Paul David Parker, Darin Ledru Roth, Kerry Stephen Martin, Donald Wayne Demorest, Eric Ryan Lang, David Vincent Rotole
Estimating the term…
A large rectangular baler includes pick-up and packer rotors, a pivotable stuffer, a plunger head, a knotter shaft and a needle yoke, and tension panels that are all driven hydraulically and independently controlled through electrically controlled valves that actuate the various hydraulic power devices used to power the various functions. An electronic control unit is coupled to each of the control valves and receives feedback signals from the controlled functions which are compared with values representing desired function results so as to further control the valves to attain the desired results. In addition to the feedback signals from the powered functions, signals from a bale length sensor and a ground speed sensor are also coupled to the electronic control unit for use in controlling the powered functions.
In a large rectangular baler including a baling chamber having an inlet, a plunger head mounted for reciprocating fore-and-aft within said baling chamber from one side to another of said inlet, a crop delivery duct mounted for directing crop to said inlet of said baling chamber, a pick-up arrangement including a rotatable pick-up device for elevating a windrow of crop material and delivering it rearwardly to said crop delivery duct, a packer arrangement including a rotatable packer device located for receiving crop from said pick-up device and pushing it into a pre-charge chamber of said crop delivery duct which is delimited on its end remote from said packer device by a retractable retaining fork arrangement, the improvement comprising:
In a large rectangular baler including a wheeled frame supporting a crop pick-up arrangement including a rotatable pick-up device, a duct extending between the pick-up arrangement and an inlet of a baling chamber carried by said frame, a packer arrangement including a rotatable packer unit located for receiving crop from the pick-up device and pushing it into the duct, a stuffer arrangement including a stuffer device mounted for movement into and along said duct for delivering a charge of crop located there to said baling chamber, and a plunger head mounted for movement into the baling chamber for forming bales of compressed crop, the improvement comprising:
Dependencies are inferred from the claim text.