Grain cart

• US 3,874,530 A
• Filed: 10/05/1973
• Issued: 04/01/1975
• Est. Priority Date: 10/05/1973
• Status: Expired due to Term

• Current Assignee: George W. Purdy
• Original Assignee: George W. Purdy
• Inventors: Purdy, George W.
• Primary Examiner(s): Reeves, Robert B.
• Assistant Examiner(s): Martin, Larry H.
• Application Number:
  US05/403,882
• Time in Patent Office: 543 Days
• Field of Search: 280/14.5A,14.5R 214/83.26,83.32,17D 105/248 198/64
• US Class Current: 414/526
• CPC Class Codes: B60G 5/02 mounted on a single pivoted arm , e.g. the arm being rigid
• CPC Class Codes: B60P 1/40 using screw conveyors thereon

Abstract

A grain cart for transporting grain from a harvester or combine operating in the field to a truck or other conveyance employed to convey the grain to a drier or other destination incorporating a body with sloping sides for gravity feed of the grain to unloading augers with a divider assembly dividing the load of grain for gravity feed to the unloading augers. The augers are power driven from a power take-off or the like and the cart is supported for movement over uneven terrain by a tandem supporting wheel assembly. The carrying capacity of the grain cart has been increased by employing a generally funnel-shaped configuration which has been elongated and the two unloading augers converge upwardly to a generally single discharge area for discharging grain into the load body of a truck, or the like, at a substantially single point of discharge.

Claims

1. A grain cart comprising a body defined by a peripheral wall having an upwardly opening upper end, a frame supporting said body, conveyor means associated with the lower end of the body for unloadinG grain therefrom, and an independent tandem wheel assembly associated with each side of the frame for supporting the frame and body for movement over irregular surfaces to enable the cart to traverse levees or other irregularities in an angular direction without excessive tilting of the body and spilling of grain therefrom, each tandem wheel assembly including a pair of wheels with pneumatic tires thereon, as elongated beam structure, spindle means supporting the wheels adjacent opposite ends of the beam structure, means centrally of the beam structure rockably supporting the beam structure from the cart frame, limit stop means on the end of the beam structure for engagement with the cart frame for limiting the rocking movement thereof, and guide means on the cart frame associated with the beam structure for preventing excessive lateral deflection of the end portion of the beam structure.

2. The structure as defined in claim 1 wherein said body is of elongated, oval-shaped configuration in plan and provided with a sloping inner surface at an angle greater than the angle of repose of the grain disposed within the body.

3. The structure as defined in claim 2 wherein said body includes a pair of longitudinally spaced and aligned discharge openings in the bottom thereof, an inverted V-shaped partition in the body having the lower edges thereof coincidental with the adjacent edges of the discharge openings to form a partition with inclined walls greater than the angle of repose of the grain thereby providing gravity feed to the discharge openings in the body.

4. The structure as defined in claim 1 wherein said frame includes a hitch at the forward end thereof for connection with a towing tractor, said hitch including a swivel connection for swivel movement about a longitudinal axis thereby preventing transfer of twisting forces between the cart frame and tractor.

5. The structure as defined in claim 1 wherein said conveyor means includes a pair of conveyor assemblies communicated with the bottom portion of the body and extending upwardly above the top edge of the body and including discharge means for discharging grain into a truck body, said conveyor assemblies converging upwardly for discharging grain in substantially a single pile within the truck body to facilitate the loading of the grain into the truck body.

6. The structure as defined in claim 5 wherein each conveyor assembly is in the form of an auger, the upper end portion of each of the augers being pivotally supported for movement to a horizontal position, prop means securing the upper end portion of each of the augers in horizontal position to enable the cart to proceed under overhanging obstructions, each auger including a drive gear assembly connected to the lower end thereof, a single shaft driving said drive gear assemblies from a forwardly extending drive shaft adapted to be connected to the power take-off of a towing tractor.