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| Number | Title | Issue Date |
| 7434653 | On-demand electro-hydraulic steering system A hydraulic steering system for a work machine may include a first steering actuator having a first and a second chamber. In addition, the steering system may include a second steering actuator having a third and a fourth chamber. A multi-position directional valve ... | 10/14/2008 |
| 7354222 | Belted asphalt compactor A belted asphalt compactor and method are provided. The compactor includes a first unit with a roller frame. A second unit is coupled to the first unit, and is generally identical thereto. At least one mid roller and two end rollers are mounted in the roller frames,... | 04/08/2008 |
| 7162348 | Articulated equipment position control system and method An articulated equipment position control system and method are provided for equipment consisting of motive and working components. The components are connected by an articulated connector, such as a pivotal hitch. GPS-derived positional data is utilized for power-a... | 01/09/2007 |
| 7055269 | Wheeled vehicle provided with an axle oscillating about a longitudinal axis A wheeled vehicle includes a bottom chassis; a top chassis, which is coupled to the bottom chassis so that it is able to turn about a vertical axis; an operating arm coupled to the top chassis; an axle, which is coupled to the bottom chassis so that it can oscillate... | 06/06/2006 |
| 6974146 | Adjustable hitch and method of use Provided is an adjustable trailer hitch assembly and method of use that permits one person to controllably move the hitch within a plane of defined boundaries. Trailer hitch assembly includes one or more longitudinally extending assemblies for mounting under a vehic... | 12/13/2005 |
| 6889793 | Four wheel-drive vehicle An articulate vehicle comprises a first frame disposed at one of front and rear portions of the vehicle and a second frame disposed at the other of front and rear portions of the vehicle. The first frame supports a first transaxle apparatus supporting a first axle. ... | 05/10/2005 |
| 6668967 | Method of steering a vehicle The invention concerns a method of steering a vehicle, particularly an articulated vehicle, in which a valve element of a main valve is moved so that it releases or closes connections between a supply connection arrangement and a working connection arrang... | 12/30/2003 |
| 6581718 | Steering arrangement for articulated tracked vehicles An arrangement for the steering and coupling together of two associated tracked units to form an articulated tracked vehicle set, includes a first upright for releasable coupling to a fixture on one of the tracked units, a second upright for coupling to a... | 06/24/2003 |
| 6533061 | Bolt-together hitch for articulated machine A bolt-together hitch for a machine having articulatable first and second sections, including a generally annular yoke member of cast steel having a cylindrical portion which is trunnion mounted by bearings in a longitudinal bore formed by the first secti... | 03/18/2003 |
| 6158544 | Steering system for an articulated machine In articulated machines it has long been a desire to provide a steering system that will permit the incorporation of machine controls into a steering wheel assembly and yet provide the operator with mechanical feedback through the steering wheel. The pres... | 12/12/2000 |
| 5562175 | Steering system for a surface compacting machine The invention relates to a dual steering system for a tandem-type surface compacting machine equipped with two independent steering modes, for example, a machine equipped with both frame steering (3) and with individual steering (6) of one of the rollers ... | 10/08/1996 |
| 5269389 | Hydraulic steering system for articulated vehicle A fully hydraulic steering system for a vehicle having a front frame and a rear frame coupled to each other by an articulating pin, the steering system coupling a steering unit operated by a wheel to steering cylinders, for turning the vehicle body. The s... | 12/14/1993 |
| 5267628 | Steering wheel position compensator of fully hydraulic steering system A steering wheel position compensator of a fully hydraulic steering device for working vehicle, etc. In a fully hydraulic power steering device provided with a steering unit (30) operated by a steering wheel (H) and a hydraulic circuit connecting steering... | 12/07/1993 |
| 5253727 | Steering mechanism for an articulated vehicle A steering mechanism for an articulated vehicle having a first section and a second section connected by an articulation joint. The steering mechanism includes an annular member connected to the first section and a moveable steering plate slideably mounte... | 10/19/1993 |
| 5234069 | Steering control system for vehicles having dual steering A steering control system is provided in which one pair of wheels of an articulated steer vehicle are steered in synchronization with the articulation steering. This is accomplished by providing a first two-position valve for directing the fluid exhausted... | 08/10/1993 |
| 5207739 | Collapsible guide rod assembly for a tractor guidance system A guide rod assembly is mounted on the front end of a tractor with the guide rods closely adjacent the front wheels and the crop rows to transmit steering signals to a steering guidance system. The pair of guide rods pivot from a downwardly extending para... | 05/04/1993 |
| 5193637 | Hydraulic steering system for articulated automotive vehicle A hydraulic steering system for turning two mutually articulated vehicle-halves (13, 14) relative to one another with the aid of two hydraulic piston-cylinder devices (11, 12) includes a control valve (17) which will normally connect the piston-cylinder d... | 03/16/1993 |
| 5174597 | Damping arrangement for the joint of an articulated omnibus An articulation damping device having a hydraulic piston-cylinder unit 2, connected pivotally at 5 to a front vehicle 3 at a distance y from the longitudinal median plane and on the other side and symmetrically thereto and also at the distance y from the ... | 12/29/1992 |
| 5107932 | Method and apparatus for controlling the blade of a motorgrader A method and apparatus are disclosed for controlling the cross slope angle cut by the blade of an articulated frame motorgrader being steered through a turn, operated in a straight frame mode, in a crabbed steering position and/or traveling in a non-horiz... | 04/28/1992 |
| 4941275 | Snow Groomer vehicle hydraulic hose guide A snow groomer vehicle hydraulic hose guide having a hard plastic removable insert installed within a metallic back-up ring, for use upon snow grooming vehicles and associated equipment. The insert has a very smooth surface and is shaped to provide substa... | 07/17/1990 |
| 4940106 | Articulated vehicle with hydraulic steering A double acting hydraulic shock absorber is connected across first and second fluid conduits that are connected to opposite ends of hydraulic steering motors of an articulated vehicle and to a control unit that is controlled by a steering wheel to control... | 07/10/1990 |
| 4926948 | Method and apparatus for controlling motorgrader cross slope cut A method and apparatus are disclosed for controlling the cross slope angle cut by the blade of an articulated frame motorgrader operated in the crabbed steering mode wherein the articulation angle of the motorgrader frame is sensed and used to calculate t... | 05/22/1990 |
| 4890684 | Articulated vehicle with hinged joint An articulated vehicle including two wheeled sections hinged together in the middle of the vehicle by a universal movement joint enabling relative pivoting about three axes extending at right angles to each other through the center of the vehicle. A hydra... | 01/02/1990 |
| 4809805 | Articulated vehicle The articulated vehicle of the present invention includes a front frame and a rear frame which are interconnected by a universal coupling joint which is capable of pivoting about a vertical axis and about a horizontal axis. Mower decks may be mounted on t... | 03/07/1989 |
| 4802545 | Steering control system for articulated vehicle A steering system for an articulated vehicle has pivotal wheel steering such as front axle wagon-wheel steering, a hydraulic actuator for pivoting the axle with respect to the vehicle, and a pair of hydraulic actuators for causing articulation of the vehi... | 02/07/1989 |
| 4775286 | Hydraulic hose routing for tractor-mounted backhoe An improved swingable tractor-backhoe interconnection for a tractor-mounted backhoe having a pair of vertically-spaced articulation means along the axis forming an axially-aligned void space therebetween, a preferably free-floating center yoke in the void... | 10/04/1988 |
| 4771851 | Steering control system for articulated vehicle The present invention is a steering system for an articulated vehicle which has at least one axle mounted for wagon-wheel steering with respect to the vehicle, a hydraulic actuator for pivoting the axle with respect to the vehicle and a pair of hydraulic ... | 09/20/1988 |
| 4738329 | Door positioner An operator's station mounted on the rear bogie of an articulated tractor and having a door that swings out from a hinge on its rear edge and in which the front bogie may swing relative to the rear bogie so that parts of the tractor on the front bogie may... | 04/19/1988 |
| 4677922 | Single pass fracture planting system A single pass fracture planting system comprised of a tractor which tows a subsoil fracture tiller and a drawn multi-function planter drawn by a unique hydraulically controlled hitch system. The tractor draws a subsoil fracture tilling system comprised of... | 07/07/1987 |
| 4669566 | Means for improving the stability of a tractor or working machine An improvement in a working vehicle, such as a tractor, which includes a first frame part to which a steering wheel axle is coupled and a second frame part to which a second wheel axle is coupled with the frame part being pivotally interconnected to allow... | 06/02/1987 |
| 4665796 | Fluid flow control apparatus having a throttling arrangement A fluid flow control apparatus having an adjustable throttling arrangement for controlling the flow of fluid between working cylinders associated with sections of an articulated vehicle, has a housing which is essentially symmetric in shape. Two working c... | 05/19/1987 |
| 4618307 | Scrap bucket carrier A carrier for lifting and transporting a scrap bucket supported in a stand having a substantially rectangular lower frame with depending ground engaging legs is provided including a self-propelled tractor and a wheeled trailer having a main frame cross me... | 10/21/1986 |
| 4565257 | Multi-mode steering system A material handling implement is disclosed having a multi-mode steering system embodying the principles of the present invention. The implement includes an articulable frame having front and rear frame portions which can be selectively articulated by an a... | 01/21/1986 |
| 4552238 | Tractor scraper hitch steering and suspension system A tractor scraper hitch steering and suspension system wherein a tractor drive wheel axle frame is pivotally connected to a tractor main frame to permit vertical movement of the tractor drive wheels relative to the tractor. Two hydraulic cylinders are piv... | 11/12/1985 |
| 4545454 | Arrangement in vehicles with articulated steering The invention comprises an arrangement in vehicles with articulated steering, where a vehicle part (2) is connected via a conventional articulated steering hinge (22,25) to an intermediate part (7). Steering means such as hydraulic cylinders (4,5) are con... | 10/08/1985 |
| 4505349 | Steering means for, and in combination with, an articulated _vehicle In the embodiment disclosed, the invention comprises a single, dual-piston cylinder, operable by hydraulic fluid, interpositioned between a pair of pivotably coupled, vehicular units. The cylinder is pivotably secured to pivot coupling elements which join... | 03/19/1985 |
| 4471850 | Articulated vehicle In the exemplary embodiment shown, the vehicle is a drum-type asphalt compactor having a pair of drum-compactor units coupled together for steering articulation. The units have prescribed axes of travel, and are coupled together for travel with the axes i... | 09/18/1984 |
| 4468047 | Steering assembly for towed vehicles A towable wheeled undercarriage for carrying and supporting heavy loads and more particularly a carriage for supporting a crane of heavy duty or high capacity type. The carriage or carrier has a plurality of front and rear wheeled units independently moun... | 08/28/1984 |
| 4453614 | Steering arrangement for an off-highway articulated vehicle In an articulated combine, front and rear bogies are connected by spaced-apart upper and lower links. The upper link permits relative lateral movement between the bogies due to oscillation about a longitudinal axis. At the lower link, a rigid tongue of th... | 06/12/1984 |
| 4444409 | Oscillator limit in articulated land vehicle A self-propelled farm implement has independent front and rear, wheel supported frames articulated therebetween for execution of turns by operator steering of the front frame from within a cab that is, in turn, mounted on the front frame. The rear frame c... | 04/24/1984 |
