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Document Title |
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7853382 |
Loader boom control system
A work vehicle that includes a boom; a boom actuator connected to the boom, the boom actuator being adapted to controllably move the boom about a boom pivot in response to receiving a boom control...
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7831362 |
Position measuring system for working machine
The invention is intended to provide a position measuring system for a working machine, which can accurately measure the position of a monitoring point and can ensure high working efficiency even...
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7765723 |
Cutter head for an excavator machine
The invention relates to a cutter head for an excavator machine including at least one cutter motor, each cutter motor comprising: a fastener plate;a mounting structure secured to the fastener...
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7637038 |
Foundation construction device for making trenches in soil
The invention relates to a foundation construction device for making trenches in the soil comprising a frame, on which a soil-removing tool is arranged, and a control device for aligning the...
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7559161 |
Soil working method and apparatus
A soil working method, in which a soil working device suspended on at least one supporting cable is lowered by a supporting device and introduced into the ground. Subsequently, the soil working...
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7549240 |
Excavation device
An excavation device having a pair of milling wheels with a substantially horizontal axis (X) of rotation. Each milling wheel peripherally equipped with an excavation apparatus to define an...
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7363733 |
Device and method for making a trench wall in the soil
The invention relates to a device for making a trench wall in the soil comprising a frame, at least one lower cutting/mixing wheel arranged at the bottom of the frame, at least one further, upper...
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7363734 |
Lubricated trench wall cutter with remote lubricant inlet port
The invention relates to a trench wall cutter comprising a bearing shield, on which at least one cutting wheel is supported in a rotatable manner. Between the cutting wheel and the bearing shield...
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7219452 |
Trench wheel apparatus and method of use
A trench wheel has a relatively thicker wheel center and gradually tapering side walls that produce a thinner wheel as distance from the hub increases. The wheel center is preferably fabricated...
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6381879 |
Agricultural ditching method and apparatus
A method and apparatus for forming a relatively shallow drainage ditch diagonally across crop rows, the apparatus, drawn or fitted to a tractor, incorporates a rotating cutting disk set...
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6055750 |
Excavating machine with lift arm assembly
An excavating machine is provided having an L-arm assembly located between a power unit and an earth cutting device, the L-arm assembly for raising and lowering the earth cutting device. The L-arm...
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6014825 |
Bucket wheel excavator
A bucket wheel excavator has a scraper blade mounted on the bogie and whose height is independent of the raising and lowering of the bucket wheel to maintain a level track for the crawler bogie....
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5907915 |
Ejector mechanism for a silt removal excavating wheel
An ejector mechanism operates to force silt material from individual chambers in a rotating wheel of a silt removal machine. The rotating wheel removes the silt material from under a shallow body...
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5890304 |
Device for lifting, lowering and leveling booms of strip mining equipment
A level boom is provided for a piece of strip mining equipment traveling on caterpillar-type chassis, which piece of equipment is temporarily moved on oblique roadways during operation. The...
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5875573 |
Vertical spin ditcher with 3 point hitch
A ditch digger having a horizontal cutting disc with spaced and angled replaceable cutting blades housed within a circular frame and surrounded in one semicircle by a dirt blocking chain barrier...
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5864970 |
Earth excavating apparatus
An earth excavating apparatus is disclosed as operable to loosen earthen material and expel the loosened earthen material away from the apparatus. One embodiment of the apparatus includes a...
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5797202 |
Vertical hole excavating machine
A vertical hole excavating machine having a cutter head comprising: a first head supported rotatably about the axis of a cylindrical shield body at the lower end of the cylindrical body and having...
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5490339 |
Trenching system for earth surface use, as on paved streets, roads, highways and the like
The present invention relates to a center-line trenching system for use at the earth's surface such as on a paved street, road, highway or the like. The system includes a rubber tired drive machine...
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5378049 |
Rotary cutter for extracting hard rock
A disc-shaped rotary cutter for continuous excavation of hard mineral rock layers according to the invention includes a supporting element having a plurality of end faces and a plurality of cutting...
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5355597 |
Device for digging a trench
A device for digging a trench having a vertical face and a sloping face. The device includes a rotor configured to rotate about an axis of rotation and means for moving the device in a direction of...
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5315770 |
Roadway trenching apparatus
A self propelled apparatus for digging a shallow trench along one side of a roadway is disclosed, and which is useful as part of a roadway widening operation. The apparatus comprises a cutter drum...
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5255454 |
Apparatus for preparing trenches
An apparatus for preparing and refurbishing trenches having two cutters supported on a frame. During operation of the apparatus, the cutters rotate about an axis to prepare the trench. The distance...
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5214867 |
Forest fire extinguishing apparatus
Towed apparatus for excavating, pulverizing, and throwing soil to halt the spread of a forest fire. The apparatus comprises two series of rotating disks mounted to a first frame, each series driven...
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5203100 |
Offset ditcher with chain drive
A folding boom side-ditcher which has a two-stage chain (or belt) drive from the power take-off (PTO) of a tractor. A laterally movable counterweight is provided so the folding boom has maximum...
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5199195 |
Articulated toothed excavating apparatus
An excavating device for scraping away the high shoulder material on the road sides. The device includes a rotating drum on which are permanently attached tooth-supports arranged in a helix. On the...
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5113610 |
Rotating disk type ditcher
A method and apparatus in which a laser controllable ditcher drawn by a tractor to which it is attached for forming ditches, furrows and the like incorporates a cutting disk which is adjustably...
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5111601 |
Excavation device with rotary cutter having a horizontal axis
Excavation device (10) with rotary cutter having a horizontal axis, the device (10) having a support structure (11) for excavation means consisting advantageously of pairs of cutter wheels (12-112)...
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5101583 |
Articulated toothed excavating drum for road side ditches of desired profile
A ditch digging and/or cleaning apparatus designed to cut a multitude of ditch profiles includes a rotating drum on which are permanently attached tooth supports. On these supports are fastened...
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5056242 |
Underground wall construction method and apparatus
Apparatus and method for constructing an impervious underground wall in which an initial excavation, filled with an excavating slurry, is made having a length L1. A milling excavator is lowered to...
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5027534 |
Power ditch router
A powered ditch router for clearing the overgrowth from road side drainage ditches is disclosed. The router includes a power shaft, a plurality of discs attached to the shaft for rotation...
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5007685 |
Trenching tool assembly with dual indexing capability
A trenching tool assembly with dual indexing capabilities includes a block formed with a tool shank bore and a cutter bit having a shank which is insertable into the tool shank bore. The shank...
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4991322 |
Device for affixing cutter drums to an apparatus intended for cutting trenches in the ground
The invention relates to a device for affixing cutter drums on an apparatus designed to cut trenches in the ground.The driver includes a revolving plate 4 disposed perpendicular to its axis and to...
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4969279 |
Mobile earth mover having a scraper blade
An earth mover comprising at least one wheeled axle; a supported frame movable by the axle, said frame further including means for pushing up soil, comprising an elongate scraper blade with a...
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4939854 |
Rotary trenching machine
A trenching machine that can be easily converted between push or pull type models by using same parts at the manufacturing stage, is disclosed. The machine includes a base frame having first and...
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4887372 |
Shallow angle furrow refurbishing method and apparatus
Shallow angle furrows between crop beds are reshaped and cleaned in one pass using a tractor-towed implement having angularly even-spaced cutter blades mounted in tiers on drums for rotation about...
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4872275 |
Ditch cleaning machine
A ditch cleaning machine is for a longitudinally extending ditch having in a vertical trapezoidal transverse cross-section a greater width at the top than at the bottom and having slanting side...
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4794709 |
Device for digging trenches
The present invention provides a device for digging trenches, including at least one digging wheel with a wheel framework which is connected to a vehicle by means of a mobile carriage for lowering...
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4768297 |
Trenching wheel, more especially for digging trenches
A trenching wheel more especially for digging trenches, of the type in which the tools are mounted on ring portions removably fixed to the periphery of said wheel. The arrangement for fixing each...
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4736534 |
Ditcher method and apparatus
A ditching method and apparatus wherein an excavator wheel provided with an annular array of peripheral scoops is rotated about a horizontal axis while the wheel is moved along the terrain...
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4720929 |
Trenching device
An improved torsional limiting device and associated control system are incorporated in a large scale trencher between the power source and the cutting wheel to provide for protection of the...
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4682427 |
Trench-digger implement carried by a laterally extending boom and drive therefor
A laterally-extending boom (1) is of a box-constructed type, and has two right angle drive gear units (19, 28) installed at either end, the first of which (19) in receipt of drive transmitted by a...
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4549648 |
Bucket-wheel loader for bulk material piles
A bucket wheel loader, especially a bridging equipment or loader, for bulk material dumps or piles. The loader is equipped with several bucket wheels which are movable along the front of a pile....
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4506464 |
Hydraulic breakaway system for mobile cutting apparatus
A prime mover (A) has an arm assembly (B) pivotally connected thereto. A cutting assembly (C) is operatively connected with the arm assembly to be positioned thereby. The arm assembly is connected...
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4259834 |
Synchronized flail for treatment of forestry residues
In a machine for treatment of tree thinning residues and logging slash of the type having free-swinging flails pivotably connected to rotatable support structures at a pivot point, the improvement...
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4173836 |
Condition responsive trench excavator
A trench excavator has a raisable and lowerable boom swingable about a vertical axis on the self-propelled chassis which is mounted on tracks. The boom carries a cutting head which is swingable...
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3997990 |
Angularly disposed single wheel excavator
An excavating and loading system includes an excavating wheel assembly at the front thereof and a plurality of conveyors for conveying the material from the excavating wheel assembly upward and...
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3994083 |
Trencher construction
There is disclosed a trenching machine construction of vehicular type, having a wheeled chassis for travel movement with frames connected thereto, whereby trenching means supported by said frames...
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3766672 |
ROTARY TRENCHER HAVING A VERTICAL AXIS OF ROTATION
A trimming apparatus for open longitudinal trenches of the type used in irrigation canal and distribution systems. The trimmer utilizes a vertical cutter assembly having a plurality of identical...
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3731408 |
CENTRIFUGALLY DISCHARGING SCOOP SHOVEL ASSEMBLY
A scoop shovel assembly having a rotatable arm carrying shovels at the opposite ends thereof. Each shovel has a pivotable bottom wall held in the closed position by a resilient latch member. Means...
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3704575 |
FLAIL-TYPE IRRIGATION DITCH CLEANER
An elongated frame for horizontal positioning transversely of and above a ditch to be cleaned and movement along the ditch. An elongated support member is disposed lengthwise of and journalled from...
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