Abstract: A dual mode control system for a work vehicle includes a hydraulic system configured to drive a loader assembly and a dozer assembly coupled to the work vehicle. The hydraulic system includes a fluid delivery system comprising a plurality of flow paths fluidly coupled to a hydraulic pump. The hydraulic system includes a valve assembly configured to regulate diversion of fluid into a first and a second hydraulic cylinders coupled to the fluid delivery system to adjust the loader assembly, or into a third cylinder coupled to the fluid delivery system to adjust the dozer assembly. The dual mode control system also includes a controller operably coupled to the valve assembly, and one or more user interfaces coupled to the controller to enable an operator to provide inputs to cause the controller to adjust the valve assembly, and to thereby adjust the loader assembly or the dozer assembly.

Abstract: An agricultural implement having agricultural implement for supporting a plurality of gangs of disk blades extending generally laterally relative to a for travel direction. The implement has carrier frames pivotally connected to wheel assemblies for controlling the height of the carrier frames relative to the ground through hydraulic actuators acting on the wheel assemblies. A hydraulic control unit enables independent and individual control of each actuator through the use of three way valves that selectively connect or lock individual actuators.

Abstract: A lift system for an implement has the lift cylinder near the implement front end. A rocker link with three vertically spaced pivot holes is located rearward of the cylinder and connected to an implement frame by a pivot pin through the center one of the holes. The lift cylinder is connected to the lower pivot hole while two further links are connected to the top hole and extend longitudinally away from one another to control raising and lowering of front and rear wheels respectively. As the cylinder extends and retracts, the rocker pivots causing the front and rear wheels to raise and lower in synchronism with each other. Fore and aft leveling adjustment may be achieved by including a turnbuckle in one of the further links to vary the length thereof relative to the other.

Abstract: A method and vehicle for brushing top dressing material into a golf green, fairway or other supporting surface. The method and vehicle employs at least four brushes to contact each blade of grass located beneath the brush pattern of the vehicle. The brushes are arranged to contact and push the grass blades back and forth with the brushes arranged at various angles to achieve the back and forth motion to work the top dressing material down between grass blades.

Abstract: Systems, methods and apparatus are provided for shifting weight between a tractor and toolbar and between sections of the toolbar. Systems, methods and apparatus are also provided for controlling operative height of a toolbar and sections of a toolbar. Methods, systems and apparatus are also provided for folding a toolbar between a work position and a transport position.

Abstract: A forward folding implement is provided. The implement includes a telescoping tongue to allow forward folding wings of the implement. At one end of the tongue are positioned transport wheels that are used to level the height of the frame during planting to keep the row units at determined heights of the single plant uniform depth, while also providing a support for the implement during transport of the implement. A transport wheel rotating assembly is provided to rotate the transport wheels about a pivot point such that the transport wheels will adjust the height of the implement, and also increase or decrease the length of the wheelbase between the tractor tires and the transport tires to increase the maneuverability and transportability of the implement both within a field and outside a field. The assembly includes a linkage and a cylinder connected to the implement.

Abstract: This disclosure is directed to the field of agricultural machinery and relates to preplanting tillage implements generally used in combination with a seed planting device, or other multi-row implement. Specifically, the disclosure relates to row treating units incorporating a row clearance arrangement or a combination of tools that includes a row cleaning device and a soil penetrating coulter device. The units are designed to be attached to the front of a multi-row implement. The deployment of and down force exerted by the row cleaner is independently adjustable and controlled using pneumatic air bag operators.

Abstract: A bulldozer includes a body, a drive unit, a ripper, an operating lever, a steering lever, and a controller. The ripper is attached to a rear part of the body and performs ripping work. The operating lever is for operating the ripper. The steering lever is for controlling a travel operation by the drive unit. The controller executes a first control of pulling the ripper up out of the ground and a second control of tilting back the ripper, when it is detected that the ripping work has been ended by operation of the operating lever and the steering lever.

Abstract: A depth control system for a frame mounted to a movement system is provided. The frame is mounted such that the frame can be raised and lowered in relation to the movement system by a height adjustment mechanism. The depth control system includes a depth control arm connected to the movement system, a height adjustment mechanism, and a mechanical stop. The height adjustment mechanism is configured to engage with the depth control arm to adjust the height of the frame. The mechanical stop is configured to engage with the depth control arm to prevent the frame from moving in at least one direction with respect to the movement system and disengage from the depth control arm when the height of the frame is being adjusted.

Abstract: A suspension device for a work vehicle is capable of not only providing improved ride quality during nonoperational traveling such as on-site movement over uneven terrain, but also ensuring stable driving power during operational traveling such as an excavation operation on uneven terrain. The suspension device 60 has an equalizer bar 61 for coupling undercarriages 4, 4? provided on both sides, respectively, of a vehicle body 3, the equalizer bar 61 being provided in the vehicle body 3 so as to be freely swingable up and down. This suspension device 60 has pitch angle change cylinders 65 as maximum pitch angle changing mechanism for changing the maximum pitch angle of the equalizer bar 61.

Abstract: A precision hoe opener assembly is provided with improved accuracy of seeding as well as improved control over the opener and packer wheel assemblies. The opener assembly includes a hydraulically-driven parallel linkage assembly, a lost motion linkage, a hoe opener, and a packer wheel. The design provides improved seeding accuracy, by adjusting assembly components to and compensating for changes in terrain elevation.

Abstract: An agricultural implement pulled by a traction vehicle is convertible between use and transport configurations. The implement includes a carrier frame coupled to the vehicle via the combination of a hitch and a draft tongue having an aft portion pivotally coupled to the carrier frame and including a generally vertical cornered post rotatable about a vertical pivot axis. A lift frame having plural spaced row units includes an integral center frame section with a sleeve closely engaging and vertically slideable along the cornered post. A first displacement arrangement moves the aft portion of the draft tongue between the use position and a first elevated position for avoiding obstructions and to facilitate turning in a field, while second and third displacement arrangements respectively raise the lift frame higher on the vertical post and rotate the post and lift frame about the vertical axis to a longitudinal position for transport.

Abstract: A precision hoe opener assembly is provided with improved accuracy of seeding as well as improved control over the opener and packer wheel assemblies. The opener assembly includes a hydraulically-driven parallel linkage assembly, a lost motion linkage, a hoe opener, and a packer wheel. The design provides improved seeding accuracy, by adjusting assembly components to and compensating for changes in terrain elevation.

Abstract: An agricultural implement for tilling at least a strip of soil to be planted includes a tillage device for penetrating and tilling a strip of soil and displacing soil and residue upwardly, and a depth control device laterally offset from the centerline of the strip of soil and mounted for rotation about an axis of rotation located rearwardly of the tillage device and positioned to intercept soil and residue displaced upwardly by the tillage device. Multiple tines mounted on the depth control device extend laterally away from the depth control device toward the centerline to intercept a portion of the soil and residue displaced upwardly by the tillage device. The tines are attached to the depth control device only at one end of each tine, and the free ends of the tines terminate laterally short of the centerline and vertically between the elevations of the upper and lower edges of the depth control device.

Abstract: An earth grooming device for attachment to a vehicle includes a rectangular frame having a plurality of teeth secured to the front thereof to form a rake and a scraper blade secured to the rear of the frame. A side rail is attached to each side of the frame with each side rail having a bottom edge tapered forwardly and upwardly beginning from a point intermediate both ends of the side rail where a bottom edge of the scraper blade is positioned and tapered rearwardly and upwardly from the point to form a fulcrum about which the side rail pivots. A pair of rear wheels are mounted adjacent the ends of the side rail and a pair of adjustable wheels are mounted intermediate of the frame. Actuator means are also provided for adjusting a height of the pair of adjustable wheels relative to the frame.

Abstract: The present invention provides a combined rock puller and land leveler implement for alternatively pulling rocks from the ground or leveling the ground, and for pulling rocks from the ground and leveling the ground in one pass of the implement. The combined rock puller and land leveler comprises a frame having three individually articulated sections, a hitch attached to the front section, a rock pulling hook mounted on the front section behind the hitch, a land leveling blade mounted on the second section and ground wheels on a third section, and hydraulic cylinders for repositioning the frame sections into a plurality of positions.

Abstract: Structure for controlling the stroke of a hydraulic cylinder, especially where the hydraulic cylinder is utilized on farm implements where field operation height control is necessary. The farm implement includes a frame having at least a wheel support pivotally secured thereto which supports a ground-engaging wheel thereon. A hydraulic cylinder is operatively connected to the frame and to the wheel support whereby extension of the hydraulic cylinder causes the frame to be raised relative to the ground and whereby retraction of the hydraulic cylinder causes the frame to be lowered with respect to the ground. An adjustable valve support is positioned in the pivotal path of the hydraulic cylinder and supports a valve thereon having a plunger extending therefrom which controls the operation of the valve. An actuator is movably positioned on the hydraulic cylinder and is adapted to engage the plunger of the valve to close the normally open valve upon predetermined movement of the hydraulic cylinder.

Abstract: An agricultural apparatus comprises a main frame with ground wheels supporting the frame for movement across the ground and a plurality of ground engaging openers mounted on the frame for engaging the ground. Each opener includes a depth control wheel mounted on the opener frame member for movement in a direction for varying the height of the depth control wheel on the opener frame member to vary the depth of the opener element in the ground. A common adjustment apparatus for all the depth control wheels comprises an actuator, a common drive linkage mounted on the main frame and driven by the actuator and a plurality of individual adjustment members. A cam plate operable by the adjustment member. The depth control wheel is mounted on an arm on which is pivotally mounted on the opener frame member on a first pivot pin, the arm including a portion thereof for engaging the cam plate.

Abstract: An agricultural plow implement includes a number of upright supports, with each support supporting a shallow tillage V-shaped sweep blade. A mounting plate is attached to the rear of each upright support and a specially adapted ripper shank, with an attached deep penetrating ripper blade, is attachable to each plate via a pair of bolts which extend through respective mounting bores in the plate. One of the bolts in each pair is a pivot bolt which provides a pivot point about which the ripper shank can swing. The other bolt is a shear pin which is designed to shear off should the ripper blade encounter an obstruction which might otherwise bend or break the ripper blade and/or the ripper shank. The ripper shank is adjustable vertically relative to the sweep blade and the ripper shank can also be pivoted 180 degrees between operative and non-operative positions when it is desired to do a sweep operation without soil ripping.

Abstract: A device for adjusting the height of a vehicle, by rotating the angle of a base shaft eccentrically supporting a support shaft. Wheels are fitted to a support shaft eccentrically connected to a base shaft rotatably supported by bearings disposed on push-pull type electric mowing machine. One of the ends of a connecting member is fixed to the core of the base shaft and an adjustment device is fitted to the other end of the connecting member. Alternatively, a base shaft is supported concentrically and rotatably at the core of a composite shaft type mowing machine in such a manner as to protrude from both end portions of a rotary shaft. The base shaft is rotatably supported by an apparatus main body at both end portions of the base shaft and eccentrically with respect to the base shaft, and wheels are fitted to both end portions of the support shaft. An adjustment pulley is fixed to the base shaft either inside or outside the bearings. The position of the height is adjusted by controlling this adjustment member.

Abstract: A soil contacting implement and depth gauging wheel at a predetermined vertical distance from the implement are provided for attachment to a tractor. Upward or downward movement of the wheel on the soil causes a deviation from the predetermined vertical displacement thereby triggering an adjustment to the downward force on the implement so as to reestablish the predetermined displacement. The magnitude of the predetermined displacement manually may be altered. In addition, the downward force of the wheel manually is adjustable without altering the magnitude of the predetermined displacement.

Abstract: Carriages for use in transporting a variety of vehicles and which include dual wheel and suspension members which are selectively raised and lowered by actuators through linkages, bearings and guide members which continuously stabilize the wheels and suspension members against longitudinal and laterally applied forces so as to distribute forces from the wheels to the carriage frames and wherein locks and stops are provided for limiting the retraction and/or extension of the wheels to retain the wheels in either a fully or partially retracted or fully extended positions.

Abstract: A control for selectively setting the operating depth of a ground working agricultural tool without changing the elevated height of the tool when in the transport position. The control includes a ground supported wheel frame pivotally mounting a tool frame. The tool frame is pivoted on the wheel frame between a raised inoperative position and a lowered operative position by operation of a cylinder assembly. The cylinder assembly is pivoted at one end to the tool frame. Its remaining end is connected to a bracket on the wheel frame. The bracket includes a slot, slidably mounting the remaining end of the cylinder. The slot is aligned along an arc centered on the pivot axis of the cylinder at its one end when the tool frame is elevated to the inoperative position. The slot is inclined upwardly toward this pivot axis as the tool frame is lowered to the operative position.

Abstract: Hydraulic mechanism for varying the angular relationship between a pair of adjacent end-connected disc harrow gangs which uses the same power source that ordinarily is employed for raising and lowering the harrow frame structure as a power source to actuate the gang angling mechanism. A bell crank lever mechanism embodying a pivot shaft, trailing wheel axle arms, and a crank arm, has the latter arm connected to the power source so that when the crank arm is swung in opposite fore and aft directions, the frame structure is raised or lowered.

Abstract: An asphalt pavement milling machine is disclosed which includes mechanism for precisely controlling the depth of cut made by a rotating milling head carried on a machine frame. The depth-of-cut control apparatus includes a shoe adapted to slide over the pavement, and fluid power cylinder means which urge the shoe toward and away from the head-carrying frame through a rocker arm and a vertical slide. A similar device can be mounted upon an opposite side of the machine frame. A fluid power system interconnects the operating cylinders to level the frame and provide smooth, stress-free operation.

Abstract: A trail leveler for smoothing snowmobile trails including a multi-blade rotating member positioned transversely to the path of the leveler and rotating in the direction opposite to the direction of travel of the leveler; and the leveler including a yoke-shaped adjustment linkage for changing the vertical position of the rear skis (or cleat track) in respect to the housing of the leveler to thereby provide adjustment of the position of the rotating member in respect to the surface of the trail to be worked.

Abstract: Automatic height control system for crop pick up reel of peanut combine. The implement is supported at the front on the draught links of a tractor and at the rear on its own ground wheels. A height sensing wheel adjacent the pick-up reel senses ground contours. A linkage of pivotally interconnected links transmits height control signals from the height sensing wheel to the top control link of the tractor's hitch whereby the tractor's draught control system maintains the reel at constant height.