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US 4,301,873 AGranted
Agricultural implement having field and transport modes
AssigneeThe Binkley Company
InventorBobby G. Baxter
Life of this patent
Estimating the term…
Abstract
A tandem offset disc implement comprising a frame on wheels, a tongue pivoted at the forward end of the frame for hitching the disc to a tractor, the frame being movable up and down, forward and rearward gangs of discs on opposite sides of the frame swingable between a field position extending out from the sides of the frame and a transport position extending rearward and also swingable up and down relative to the frame, swivel wheels for the gangs, and linkages between the tongue and the gangs for maintaining the gangs in field position for tilling.
Claims48
An agricultural implement comprising:
- a frame on wheels, said frame having a longitudinal axis and left and right sides as viewed in a forward direction;
- a tongue for hitching the frame to a towing vehicle, said tongue extending forward from the frame and being pivotally connected adjacent its rearward end to the frame for up and down swinging movement relative to the frame on an axis transverse to the frame
- means for raising and lowering the frame relative to its wheels;
- a forward and a rearward tool-carrying beam on the left side of the frame;
- a forward and a rearward tool-carrying beam on the right side of the frame;
- each beam carring a gang of tools;
- each beam being pivoted on the frame on a first axis for swinging movement relative to the frame between a field position extending out from the respective side of the frame at an angle to the longitudinal axis of the frame and a transport position extending rearward from its pivot and generally parallel to the longitudinal axis of the frame;
- each beam also being pivoted on the frame for up and down swinging movement relative to the frame on a second axis;
- a swivel wheel for each beam;
- means for raising and lowering each beam relative to its swivel wheel whereby the beam may be maintained in a generally horizontal position as the frame is raised or lowered relative to its wheels;
- a pair of arms at opposite sides of the tongue each pivoted on the tongue for swinging movement between a field position extending forward from the pivot to the arm and a transport position extending out from the respective side of the tongue;
- a pair of first links, one at each side of the implement, each having a connection at one end constituting its forward end to a respective arm and a connection at its other end constituting its rearward end to a respective forward beam, said connections being such as to allow up and down swinging of the tongue relative to the frame and the forward beam and to allow swinging movement of the forward beam between its field and transport positions and up and down swinging of the forward beam relative to the frame;
- a pair of second links, one at each side of the implement, each having a connection at one end constituting its forward end to a respective forward beam and a connection at its other end constituting its rearward end to a respective rearward beam, said connections being such as to allow swinging movement of the beams between their field and transport positions and relative up and down swinging of each beam and the respective second link;
- each arm and the first and second links at the respective side of the implement constituting a linkage between the tongue and the forward and rearward beams at that side;
- each link of one of said pairs of links comprising members which are extensible and contractile in the lengthwise direction of the link and which are free to extend or contract within limits as the beams swing between their field and transport position a distance sufficient to permit the beams to swing between their field and transport positions;
- each linkage allowing the swinging of the tongue relative to the frame and the up and down swinging of the beams;
- and
- means for latching each of said arms in field position, said links thereupon holding said beams in field position as the implement is towed forward.
15 more elements
An agricultural implement comprising:
- a frame on wheels, said frame having a longitudinal axis and left and right sides as viewed in a forward direction;
- a tongue for hitching the frame to a towing vehicle, said tongue extending forward from the frame and being pivotally connected to the frame for up and down swinging movement relative to the frame;
- means for raising and lowering the frame relative to its wheels;
- a forward and a rearward tool-carrying beam on the left side of the frame;
- a forward and a rearward tool-carrying beam on the right side of the frame;
- each beam carrying a gang of tools;
- each base being pivoted on the frame on a first axis for swinging movement relative to the frame between a field position extending out from the respective side of the frame at an angle to the longitudinal axis of the frame and a transport position extending rearward from its pivot and generally parallel to the longitudinal axis of the frame;
- each beam also being pivoted on the frame for up and down swinging movement relative to the frame on a second axis;
- a swivel wheel for each beam;
- means for raising and lowering each beam relative to its swivel wheel whereby the beam may be maintained in a generally horizontal position as the frame is raised or lowered relative to its wheels;
- a pair of arms at opposite sides of the tongue each pivoted on the tongue for swinging movement between a field position extending forward from the pivot for the arm and a transport position extending out from the respective side of the tongue;
- a pair of first links, one at each side of the implement, each connected at one end constituting its forward end to a respective arm and connected at its rearward end to a respective forward beam;
- a pair of second links, one at each side of the implement, each connected at one end constituting its forward end to a respective forward beam and connected at its rearward end to a respective rearward beam;
- each arm and the first and second links at the respective side of the inplement constituting a linkage between the tongue and the forward and rearward beams at that side;
- each link of one of said pairs of links comprising members which are extensible and contractile in the lengthwise direction of the link and which are free to extend or contract within limits as the beams swing between their field and transport position;
- each linkage allowing the swinging of the tongue relative to the frame and the up and down swinging of the beams;
- means for latching each of said arms in field position, said links thereupon holding said beams in field position as the implement is towed forward;
- and
- means at the rear of the frame for automatically locking the rearward beams in transport position when they swing rearward to transport position.
16 more elements
An agricultural implement comprising:
- a frame on wheels, said frame having a longitudinal axis and left and right sides as viewed in a forward direction;
- a tongue for hitching the frame to a towing vehicle, said tongue extending forward from the frame and being pivotally connected to the frame for up and down swinging movement relative to the frame;
- means for raising and lowering the frame relative to its wheels;
- a forward and a rearward tool-carrying beam on the left side of the frame;
- a forward and a rearward tool-carrying beam on the right side of the frame;
- each beam carrying a gang of tools;
- each beam being pivoted on the frame on a first axis for swinging movement relative to the frame between a field position extending out from the respective side of the frame at an angle to the longitudinal axis of the frame and a transport position extending rearward from its pivot and generally parallel to the longitudinal axis of the frame;
- each beam also being pivoted on the frame for up and down swinging movement relative to the frame on a second axis;
- a swivel wheel for each beam;
- means for raising and lowering each beam relative to its swivel wheel whereby the beam may be maintained in a generally horizontal position as the frame is raised or lowered relative to its wheels;
- a pair of arms at opposite sides of the tongue each pivoted on the tongue for swinging movement between a field position extending forward from the pivot for the arm and a transport position extending out from the respective side of the tongue;
- a pair of first links, one at each side of the implement, each connected at one end constituting its forward end to a respective arm and connected at its rearward end to a respective forward beam;
- a pair of second links, one at each side of the implement, each connected at one end constituting its forward end to a respective forward beam and connected at its rearward end to a respective rearward beam;
- each arm and the first and second links at the respective side of the implement constituting a linkage between the tongue and the forward and rearward beams at that side;
- and
- each link of one of said pairs of links comprising members which are extensible and contractile in the lengthwise direction of the link and which are free to extend or contract within limits as the beams swing between their field and transport position;
- each linkage allowing the swinging of the tongue relative to the frame and the up and down swinging of the beams;
- means for latching each of said arms in field position, said links thereupon holding said beams in field position as the implement is towed forward;
- and
- the tongue having left and right side members, each of said arms, when in field position, extending forward from the pivot for the arm along the outside of the respective side member of the tongue, the latching means for each arm comprising a plunger slidable on its axis laterally inwardly and outwardly in the respective side member of the tongue and also rotatable on its axis in said side member, a latch bolt member on the outer end of the plunger rotatable with the plunger between a latching position and a release position, spring means biasing the plunger to slide outwardly to an outer position relative to the respective side member of the tongue and to rotate to turn the latch bolt member from its release position to its latching position, a lever on the plunger, means operable when the plunger is in its outer position for holding the plunger with the latch bolt member turned to its release position, the arm being engageable with the outer end of the plunger when the arm swings toward field position to drive the plunger inwardly to release the plunger from said holding means thereby to allow the plunger to rotate and turn the latch bolt member to its latching position, means on the respective arm engageable by the latch bolt member as the latter turns to its latching position for latching the arm in field position, and means operable from the towing vehicle for actuating the lever to rotate the plunger to turn the latch bolt member to release position for releasing the arm.
17 more elements
An agricultural implement comprising:
- a frame on wheels, said frame having a longitudinal axis and left and right sides as viewed in a forward direction;
- a tongue for hitching the frame to a towing vehicle, said tongue extending forward from the frame and being pivotally connected to the frame for up and down swinging movement relative to the frame;
- means for raising and lowering the frame relative to its wheels;
- a forward and a rearward tool-carrying beam on the left side of the frame;
- a forward and a rearward tool-carrying beam on the right side of the frame;
- each beam carrying a gang of tools;
- each beam being pivoted on the frame on a first axis for swinging movement relative to the frame between a field position extending out from the respective side of the frame at an angle to the longitudinal axis of the frame and a transport position extending rearward from its pivot and generally parallel to the longitudinal axis of the frame;
- each beam also being pivoted on the frame for up and down swinging movement relative to the frame on a second axis;
- a swivel wheel for each beam;
- means for raising and lowering each beam relative to its swivel wheel whereby the beam may be maintained in a generally horizontal position as the frame is raised or lowered relative to its wheels;
- a linkage between the tongue and the left forward and rearward beams;
- a linkage between the tongue and the right forward and rearward beams;
- each linkage comprising an arm pivoted on the tongue for swinging movement between a field position extending forward from the pivot for the arm and a transport position extending out from the respective side of the tongue, a first link connected at one end constituting its forward end to said arm and connected at its rearward end to the respective forward beam, and a second link interconnecting each forward and rearward beam;
- each linkage allowing the swinging of the tongue relative to the frame and the up and down swinging of the beams;
- and
- means for latching each of said arms in field position, said links thereupon holding said beams in field position as the implement is towed forward;
- and
- means at the rear of the frame for automatically locking the rearward beams in transport position when they swing rearward to transport position.
15 more elements
An agricultural implement comprising:
- a frame on wheels, said frame having a longitudinal axis and left and right sides as viewed in a forward direction;
- a tongue for hitching the frame to a towing vehicle, said tongue extending forward from the frame and being pivotally connected adjacent its rearward end to the frame for up and down swinging movement relative to the frame on an axis transverse to the frame;
- means for raising and lowering the frame relative to its wheels;
- a forward and a rearward tool-carrying beam on the left side of the frame;
- a forward and a rearward tool-carrying beam on the right side of the frame;
- each beam carrying a gang of tools;
- each beam being pivoted on the frame on a first axis for swinging movement relative to the frame between a field position extending out from the respective side of the frame at an angle to the longitudinal axis of the frame and a transport position extending rearward from its pivot and generally parallel to the longitudinal axis of the frame;
- each beam also being pivoted on the frame for up and down swinging movement relative to the frame on a second axis;
- a swivel wheel for each beam;
- means for raising and lowering each beam relative to its swivel wheel whereby the beam may be maintained in a generally horizontal position as the frame is raised or lowered relative to its wheels;
- a linkage between the tongue and the left forward and rearward beams;
- a linkage between the tongue and the right forward and rearward beams;
- each linkage comprising an arm pivoted on the tongue for swinging movement between a field position extending forward from the pivot for the arm and a transport position extending out from the respective side of the tongue;
- each of said arms being swingable up and down with the tongue on swinging of the tongue on said transverse axis and swingable in and out relative to the tongue between the said field and transport positions of the arm;
- each linkage further comprising a first link having a connection at one end constituting its forward end to the respective arm and a connection at its outer end constituting its rearward end to the respective forward beam, said connections being such as to allow up and down swinging of the tongue relative to the frame and the forward beam and to allow swinging movement of the forward beam between its field and transport positions and up and down swinging of the forward beam relative to the frame;
- each linkage further comprising a second link having a connection at one end constituting its forward end to the respective forward beam and a connection at its other end constituting its rearward end to the respective rearward beam, said connections being such as to allow swinging movement of the beams between their field and transport positions and relative up and down swinging of each beam and the respective second link;
- each linkage allowing the swinging of the tongue relative to the frame and the up and down swinging of the beams;
- means for latching each of said arms in field position, said links thereupon holding said beams in field position as the implement is towed forward;
- and
- means for locking the forward beams in transport position.
17 more elements
Dependencies are inferred from the claim text.