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2216results about "Agricultural machines" patented technology

Self contained transport for crop harvesting header

A transport system for a crop header includes a first and a second wheel arrangement on the header frame adjacent a respective ends for acting as a stabilizer when the header is in the operating position and movable to a transport position for transporting the header when removed from the vehicle in a transport direction generally longitudinal of the header frame and at a right angle to the working direction with each being mounted on the header frame for rotation of a rolling direction of the first wheel arrangement between the working position and the transport position, in which the rolling direction is along the transport direction. Each of the wheel arrangements includes two parallel wheels coupled together. The wheel arrangement at the rear end includes a second wheel which is mounted on a swing arm so as to be moved to a position adjacent the cutter bar so that the header is stably supported on the first wheel arrangement, the first wheel of the second wheel arrangement and the second wheel of the second wheel arrangement. The first and second wheels of the second wheel arrangement include coupling members for connection together to operate as a common wheel arrangement in the operating position. The swing arm includes a tower which attaches to the cutter bar and can fold down on to the swing arm in the field position.
Owner:MACDON INDS

High clearance vehicle

A high clearance vehicle includes a walking beam frame and an independent suspension. The frame consists of a main frame, A-shaped frames, a main truss, leg braces, and an axle. Pins which are used to join each A-shaped frame and leg braces to the main truss act as pivot points, as does the pin that attaches the axle to the main frame. Each leg brace may connect to each A-shaped frame by an elastic member to provide the independent suspension. Legs are at each corner of the frame. At the bottom of each leg is a wheel hub mount with a wheel drive assembly operably connected to a wheel for propelling the vehicle. At the top of the front legs are tapered kingpins which carry segmented thrust washers having a knob and receiving portion. A boom having extension arms and spray nozzles may also be attached. The walking beam frame may include a crab steering device which shifts the rear axle off-center so that the vehicle dog legs. A hinge stacked assembly includes a self-cleaning screen, a condenser, oil cooler, and a radiator. Angled hinges allow a door to be opened away from the vehicle and the rear tire so that the stacked assembly is easily accessible to maintenance. A knee action suspension may also provide independent suspension to the vehicle. The boom may have upper and lower lift arms. An elastic member may be provided for supporting the lower lift arm.
Owner:CNH IND AMERICA LLC

Combine header height control

InactiveUS6202395B1Accurate height positioningReduce combine ingestionAgricultural machinesMowersCoil springEngineering
An arrangement for controlling the height above or depth below an irregular surface of a body moving over or below the surface includes a rotation sensor coupled to a controller responsive to an angular deflection signal output by the rotation sensor. The rotation sensor and controller are mounted to a vehicle moving over the surface such as an agricultural vehicle traversing a field. A semi-rigid, flexible arm has a first end coupled to the rotation sensor with a ground engaging member attached to a second opposed end of the arm. In one embodiment, the flexible arm includes an elongated coil spring attached to a rigid shaft and the ground engaging member is a spherical ball attached to the shaft's distal end. The coil spring is pre-loaded to a selected bending or flexure force and permits the ground engaging member to impact obstructions in the field without damage to the rotation sensor. The coil spring also prevents damage to the rotation sensor when the vehicle is reversed in direction. The flexible arm may be urged downwardly to ensure that the ground engaging member contacts the soil and upward and downward rotation stops may be provided to limit rotation of the rotation sensor and flexible arm combination. When a plurality of rotation sensors and flexible arms are employed such as along the length of a combine header, each rotation sensor may be individually calibrated by rotating the sensor relative to the head unit to which it is mounted to permit all sensors to uniformly measure the height above or depth below the soil surface.
Owner:GRAMM RICHARD

Method and apparatus for pumping with a dredge

A system usable for dredging may include a suction bypass system for automatically maintaining a sufficiently high, liquid flow velocity. Preferably, a flow sensor monitors flow velocity and when the monitor flow decreases to an extent that plugging may occur, a liquid bypass valve is opened and an intake line valve is closed until the flow velocity increases whereupon the valves are returned to their original positions. An automatic level cut removes a relatively constant layer of material from a contoured bottom. The illustrated automatic level cut process comprises adjusting the force with which the suction head engages the bottom, moving the suction head in a direction opposite to the direction of the swing of the boom to keep the suction head pointing straight ahead, and maintaining the suction head to stay substantially level with the bottom even though the angle of the boom increases to the surface of the water body. A leveling device comprising a parallelogram linkage may be used to maintain the suction head substantially level with the bottom. A predetermined amount of load force may be applied by the head against the bottom. Herein, a winch and cable and the controller are operated to lift some of the head weight until the desired predetermined head force is applied to the bottom. A walking system moves the pipe intake for taking a sideways cut without the use of a spud pole, anchors and anchor lines. Large blade members or feet travels in an endless path with the feet entering the bottom while vertically disposed and remained disposed vertically while entering and leaving the bottom so as not to dig or stir the bottom that will cause large liquid turbidity. A low turbidity head cleaning system prevents the head from being plugged and debris or sticky material. Preferably, a rotatable cone-shaped head is provided with spaced rings and bars that define sized openings that limit the size of debris entering into the intake. A fixed comb removes material stuck on the rotating head. A shroud has an open bottom side thereby preventing bottom material from escaping and increasing with turbidity. A suction head articulation system keeps the head pointed in the forward direction of dredge advancement to create a smooth finish grade.
Owner:EDDY PUMP CORP
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