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A towed agricultural implement including a center section having a chassis supported on wheels, and with a pair of selectively positionable wing assemblies extending laterally from each side. The wing assemblies include an arm assembly operably coupled at one end to the center section, and operably

A towed agricultural implement including a center section having a chassis supported on wheels, and with a pair of selectively positionable wing assemblies extending laterally from each side. The wing assemblies include an arm assembly operably coupled at one end to the center section, and operably coupled at the other end to a wing frame. The wing assemblies are positionable in a folded-down position, wherein the wing frames are generally parallel to the ground, and a folded-up position wherein the wing frames are positioned generally perpendicular to the ground.

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What is claimed is: 1. An agricultural implement comprising: a center section including a chassis supported on a plurality of ground engaging wheels so that the chassis is spaced apart from the ground; said chassis includes a pair of longitudinal beams spaced apart and connected by a front cross-pl

What is claimed is: 1. An agricultural implement comprising: a center section including a chassis supported on a plurality of ground engaging wheels so that the chassis is spaced apart from the ground; said chassis includes a pair of longitudinal beams spaced apart and connected by a front cross-plate and a rear cross plate and a front frame; a left and right wing frame each having a pair of front and rear lateral beams, end members with opposing ends and a cross-member assembly; each wing frame includes a pivot arm assembly having a front arm body, a rear arm body and a connecting beam; said front arm body comprises a pair of spaced apart plates having a tab portion, an inner portion, and top and bottom portions defining a hollow enclosure there between; an exterior side plate attaches at the periphery of said top portion of said spaced apart plates thereby forming a contact pad; an interior spacer is attached to said bottom portion of each of said pair of spaced apart plates thereby forming an arm stop; wherein said bottom portion of said spaced apart plates extends below said contact pad and said arm stop to provide a recess for receiving one of said front lateral beams of said wing frame; a first lower pivot pin extends through said bottom portion of said pair of spaced apart plates and said front lateral beam; wherein said front lateral beam is vertically pivotable on said first lower pivot pin between said contact pad and said arm stop; a first upper pivot pin extends through said tab portion of said spaced apart plates and said front cross plate; wherein said front arm body is vertically pivotable on said first upper pivot pin; said rear arm body comprises a rear pair of spaced apart plates having a tab portion, a top portion and a bottom portion defining a hollow enclosure there between; a rear exterior side plate attaches at the periphery of said top portion of said rear pair of spaced apart plates thereby forming a rear contact pad; a rear interior spacer is attached to said bottom portion of each of said rear spaced apart plates thereby forming a rear arm stop; wherein said bottom portion of said rear spaced apart plates extends below said rear contact pad and said rear arm stop to provide a recess for receiving one of said rear lateral beams of said wing frame: a second lower pivot pin extends through said bottom portion of said rear spaced apart plates and said rear lateral beam; wherein said rear lateral beam is vertically pivotable on said second lower pivot pin between said rear contact pad and said rear arm stop; a second upper pivot pin extends through said tab portion of said rear spaced apart plates and said rear cross plate; wherein said rear arm body is vertically pivotable on said second upper pivot pin; said connecting beam extends through said spaced apart plates of said front arm body and said rear arm body thereby forming a rigid connection between said front arm body and said rear arm body; wherein said pivot arm assembly is pivotally attached on said first and second upper pivot pins; said pair of wings extending laterally on opposite sides of the center section, each of said wing frames having a proximal end and a distal end defining a width dimension there between, said wing frames having a plurality of tool assemblies uniformly spaced apart thereon across the width dimension, said pivot arm assembly of each of said wing frames operably coupled with said center section so that said wing frames are selectively shiftable between a folded-down position wherein said wing frames are generally parallel with the ground and the proximal end of each wing frame extends under the chassis proximate the other wing frame, and a folded-up position wherein the wing frames are generally perpendicular with the ground and the proximal ends of said wing frames are laterally spaced apart from said chassis on opposite sides of said center section. 2. The implement of claim 1, wherein the distal ends of the wing frames of the pair of wings define an implement width dimension therebetween when the wings are in the folded-down position, and wherein the tool assemblies are uniformly spaced apart across the implement width dimension. 3. The implement of claim 1, wherein the chassis has a bottom side defining a space between the bottom side and the ground, and wherein the proximal ends of the wing frames do not intrude into the space when the wings are positioned in the folded-up position. 4. The implement of claim 1, further comprising means for selectively coupling the implement to a tow vehicle. 5. The implement of claim 1, wherein the tool assemblies are planter assemblies. 6. The implement of claim 5, wherein the planter assemblies are single disk opener planter assemblies. 7. The implement of claim 1, further comprising a pair of outrigger wheels, each of the pair of outrigger wheels operably coupled to a separate one of the wing frames proximate the distal end. 8. The implement of claim 1, further comprising a wing lock pin having an aperture and a cotter pin; wherein said tab portion of said pair of spaced apart plates of said front arm body has a locked aperture; wherein when said wing frames are positioned in a folded-up position, inserting said wing lock pin through said apertures of said spaced apart plates of said front arm body and an aperture of said cross plate locks said wing frames in the folded-up position; and wherein said cotter pin is insertable through said aperture of said wing lock pin. 9. The implement of claim 1, further comprising hydraulic means for selectively shifting the wings between the folded-down position and the folded-up position. 10. An agricultural implement system comprising: A tow vehicle; An implement selectively operably attachable to the tow vehicle for towing thereby, the implement comprising: A center section including a chassis operably coupled with a plurality of ground engaging wheels so that said chassis is spaced apart from the ground; said chassis includes a pair of longitudinal beams spaced apart and connected by a front cross-plate and a rear cross plate and a front frame; a left and right wing frame each having a pair of front and rear lateral beams, end members with opposing ends and a cross-member assembly; each wing frame includes a pivot arm assembly having a front arm body, a rear arm body and a connecting beam; said front arm body comprises a pair of spaced apart plates having a tab portion, an inner portion, and top and bottom portions defining a hollow enclosure there between; an exterior side plate attaches at the periphery of said top portion of said spaced apart plates thereby forming a contact pad; an interior spacer is attached to said bottom portion of each of said pair of spaced apart plates thereby forming an arm stop; wherein said bottom portion of said spaced apart plates extends below said contact pad and said arm stop to provide a recess for receiving one of said front lateral beams of said wing frame; a first lower pivot pin extends through said bottom portion of said pair of spaced apart plates and said front lateral beam; wherein said front lateral beam is vertically pivotable on said first lower pivot pin between said contact pad and said arm stop; a first upper pivot pin extends through said tab portion of said spaced apart plates and said front cross plate; wherein said front arm body is vertically pivotable on said first upper pivot pin; said rear arm body comprises a rear pair of spaced apart plates having a tab portion, a top portion and a bottom portion defining a hollow enclosure there between; a rear exterior side plate attaches at the periphery of said top portion of said rear pair of spaced apart plates thereby forming a rear contact pad; a rear interior spacer is attached to said bottom portion of each of said rear spaced apart plates thereby forming a rear arm stop; wherein said bottom portion of said rear spaced apart plates extends below said rear contact pad and said rear arm stop to provide a recess for receiving one of said rear lateral beams of said wing frame: a second lower pivot pin extends through said bottom portion of said rear spaced apart plates and said rear lateral beam; wherein said rear lateral beam is vertically pivotable on said second lower pivot pin between said rear contact pad and said rear arm stop; a second upper pivot pin extends through said tab portion of said rear spaced apart plates and said rear cross plate; wherein said rear arm body is vertically pivotable on said second upper pivot pin; said connecting beam extends through said spaced apart plates of said front arm body and said rear arm body thereby forming a rigid connection between said front arm body and said rear arm body; wherein said pivot arm assembly is pivotally attached on said first and second upper pivot pins; said pair of wings extending laterally on opposite sides of the center section, each of said wing frames having a proximal end and a distal end defining a width dimension there between, said wing frames having a plurality of tool assemblies uniformly spaced apart thereon across the width dimension, said pivot arm assembly of each of said wing frames operably coupled with said center section so that said wing frames are selectively shiftable between a folded-down position wherein said wing frames are generally parallel with the ground and the proximal end of each wing frame extends under the chassis proximate the other wing frame, and a folded-up position wherein the wing frames are generally perpendicular with the ground and the proximal ends of said wing frames are laterally spaced apart from said chassis on opposite sides of said center section. 11. The system of claim 10, wherein the distal ends of the wing frames of the pair of wings define an implement width dimension therebetween when the wings are in the folded-down position, and wherein the tool assemblies are uniformly spaced apart across the implement width dimension. 12. The system of claim 10, wherein the chassis has a bottom side defining a space between the bottom side and the ground, and wherein the proximal ends of the wing frames do not intrude into the space when the wings are positioned in the folded-up position. 13. The system of claim 10, further comprising means for selectively coupling the implement to said tow vehicle. 14. The system of claim 10, wherein the tool assemblies are planter assemblies. 15. The system of claim 14, wherein the planter assemblies are single disk opener planter assemblies. 16. The system of claim 10, further comprising a pair of outrigger wheels, each of the pair of outrigger wheels operably coupled to a separate one of the wing frames proximate the distal end. 17. The implement of claim 10, further comprising a wing lock pin having an aperture and a cotter pin; wherein said tab portion of said pair of spaced apart plates of said front arm body has a locked aperture; wherein when said wing frames are positioned in a folded-up position, inserting said wing lock pin through said apertures of said spaced apart plates of said front arm body and an aperture of said cross plate locks said wing frames in the folded-up position; and wherein said cotter pin is insertable through said aperture of said wing lock pin. 18. The system of claim 10, further comprising hydraulic means for selectively shifting the wings between the folded-down position and the folded-up position. 19. An agricultural implement comprising: a center section including a chassis, a plurality of rear wheel assemblies, a plurality of front wheel assemblies, and a tongue assembly; said chassis includes a pair of longitudinal beams spaced apart and connected by a front cross-plate and a rear cross plate and a front frame; said longitudinal beams each having a rear end and a front end; said front frame includes a front beam coupled to a pair of front wheel mount beams; said front beam having a pair of pivot connections; said front flame connected to said pair of longitudinal beams; said front wheel assemblies pivotally attaches to said pair of front wheel mount beams having a front and rear end; said front wheel mount beams having pivots at a rear end, wherein said front wheel assemblies are pivotable about a vertical axis at said pivots of said front wheel mount beams; said front wheel assemblies include a pair of wheels rotatably mounted on a wheel tower pivotally attached to said chassis at said pivots of said front wheel mount beams; said rear wheel assemblies include an axle and a pair of wheels attached to opposing ends of said axle with rotatable hubs; said axle attached to said chassis at said rear ends of said longitudinal beams; said tongue assembly includes a tongue member and a hitch; said tongue member includes a pair of beams coupled by a pair of cross members; said tongue member having a forward end and a rear end; said hitch attached at said forward end of said tongue member; said rear end of said tongue member coupled to chassis at said pivot connections of said front beam; wherein said tongue assembly is vertically pivotable about said pivot connection to enable differential vertical movement of said implement; a left and right wing flame each having a pair of front and rear lateral beams, end members with opposing ends and a cross-member assembly; said cross-member assembly includes uprights at opposing ends of cross-member assembly; said uprights formed by a pair of plates over a spacer; wherein said spacer rigidly attaches about said lateral beams; said opposing ends of said end members connect to said lateral beams; each wing frame includes a pivot arm assembly having a front arm body, a rear arm body and a connecting beam; said front arm body comprises a pair of spaced apart plates having a tab portion, an inner portion, and top and bottom portions defining a hollow enclosure there between; an exterior side plate attaches at the periphery of said top portion of said spaced apart plates thereby forming a contact pad; an interior spacer is attached to said bottom portion of each of said pair of spaced apart plates thereby forming an arm stop; wherein said bottom portion of said spaced apart plates extends below said contact pad and said arm stop to provide a recess for receiving one of said front lateral beams of said wing frame; a first lower pivot pin extends through said bottom portion of said pair of spaced apart plates and said front lateral beam; wherein said front lateral beam is vertically pivotable on said first lower pivot pin between said contact pad and said arm stop; a first upper pivot pin extends through said tab portion of said spaced apart plates and said front cross plate; wherein said front arm body is vertically pivotable on said first upper pivot pin; said rear arm body comprises a rear pair of spaced apart plates having a tab portion, a top portion and a bottom portion defining a hollow enclosure there between; a rear exterior side plate attaches at the periphery of said top portion of said rear pair of spaced apart plates thereby forming a rear contact pad; a rear interior spacer is attached to said bottom portion of each of said rear spaced apart plates thereby forming a rear arm stop; wherein said bottom portion of said rear spaced apart plates extends below said rear contact pad and said rear arm stop to provide a recess for receiving one of said rear lateral beams of said wing frame: a second lower pivot pin extends through said bottom portion of said rear spaced apart plates and said rear lateral beam; wherein said rear lateral beam is vertically pivotable on said second lower pivot pin between said rear contact pad and said rear arm stop; a second upper pivot pin extends through said tab portion of said rear spaced apart plates and said rear cross plate; wherein said rear arm body is vertically pivotable on said second upper pivot pin; said connecting beam extends through said spaced apart plates of said front arm body and said rear arm body thereby forming a rigid connection between said front arm body and said rear arm body; wherein said pivot arm assembly is pivotally attached on said first and second upper pivot pins; each wing frame having a proximal end and a distal end defining a width dimension there between, said wing frames having a plurality of tool assemblies uniformly spaced apart thereon across the width dimension, said pivot arm assembly of each wing frame operably coupled with the center section so that said wing frames are selectively shiftable between a folded-down position wherein said wing frames are generally parallel with the ground and the proximal end of each of said wing frames extends under the chassis proximate the other of said wing frames, and a folded-up position wherein said wing frames are generally perpendicular with the ground and the proximal ends of each of said wing frames are laterally spaced apart from said chassis on opposite sides of said center section.