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7627964 |
Soil spreading scraper device
A soil spreading scraper device comprises a cutting blade for cutting a top layer of soil from the ground, a kicker for throwing the cut soil rearward from the cutting blade, and an impeller member...
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7476057 |
Method and trench wall cutting device for making a trench wall in the soil
The invention relates to a method for making a trench wall in the soil, in which a trench wall cutter having at least one rotatably driven cutting wheel is lowered into the soil, whereby soil...
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6944977 |
Drum for an excavator that can be used in particular for the production of vertical trenches in hard or very hard soils
Excavator drum for the production of vertical trenches, including a cylindrical shell ( 22 ) mounted so sa to rotate about its axis of revolution and a plurality of excavating tools ( 28, 30 )...
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6839989 |
Drilling apparatus for hard ground
The invention provides apparatus for drilling trenches in the ground, the apparatus comprising a frame and a drilling assembly having a horizontal support plate connected to the bottom end of the...
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6536140 |
Soil spreading scraper
An apparatus for cutting a layer of soil and spreading the cut soil over adjacent ground comprises a disc having a rotational plane sloping backward and upward from a lower portion of the apparatus...
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6349488 |
Technical field
A trencher mountable on a vehicle such as a tractor, includes a substantially horizontal hollow stationary member positioned substantially perpendicular to the direction of travel of the vehicle,...
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5924222 |
Trench wall cutter
The invention relates to a trench wall cutter with a cutting frame and a gear shield attached thereto. There is at least one cutting wheel positioned to turn on the opposite shield sides, and on it...
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5873186 |
Excavating machine with cleaning device
An excavating machine is provided having a cleaning member for cleaning spoil out of an earth cutting device having a digging wheel assembly. The digging wheel assembly has a rim structure and a...
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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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5809670 |
Excavating machine with grooving device
An excavating machine is provided having an adjustable grooving device for forming a groove in the bottom of a trench. The excavating machine has a power unit, a supporting frame assembly operably...
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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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5423137 |
Pavement cutting and excavating tool
A pavement cutting and excavating tool comprising an excavation bucket and a cutting disc. The tool is mountable to a construction vehicle such as a backhoe. A disc housing is disposed in the...
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5381616 |
Rotary rockwheel assemblies
A rotary rockwheel assembly (1) is provided for cutting a narrow trench in the ground when driven along the ground by a vehicle. The assembly (1) comprising a support frame (14), ground-engaging...
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5375347 |
Bucket wheel with supporting body
A bucket wheel has a conical supporting body constructed as an inner shell rotatably mounted on the bucket wheel axis and a device which co-operates with the supporting body to accommodate the...
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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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5333399 |
Fastening of the buckets and possibly also the skim cutters on cutting wheels
A digging wheel assembly includes a supporting wheel having a peripheral zone and a plurality of receiving elements affixed to the supporting wheel in the peripheral zone in a spaced,...
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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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5279345 |
Stump cutter bracket
An improved bracket clamps a cutting tool to the wheel of a stump cutting apparatus and includes a channel defined between a leading bracket half and a trailing bracket half. The trailing bracket...
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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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5226248 |
Trencher
A trencher for digging a trench having a vertical face and a sloping face. The trencher includes a frame and means for moving the trencher over the surface of the ground. A rotor is connected to...
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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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5214868 |
Apparatus for laying an underground member
An apparatus is disclosed for laying an underground member such as a service wire, tubing or the like. The apparatus includes a frame having a plurality of wheels with a rotatable cutting blade and...
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5203101 |
Digging chain vibratory system
The digging apparatus support boom of a continuous excavating machine is vibrated in a directional mode so as to enhance digging efficiency. Directionally compliant mounting of the boom isolates...
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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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5144760 |
Trencher
A trencher comprises a ground running, powered vehicle which travels in a forward direction carrying a trenching wheel driven by power to rotate in a vertical plane containing the forward direction...
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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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5058294 |
Grade control system for continuous bucket excavators
This invention pertains to method and apparatus for accurate control of the cutting depth and grade for mobile excavating system excavators having a continuous bucket excavating system mounted at...
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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 L 1 . A milling excavator is lowered...
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5035071 |
Trench wall cutter
In particular for the production of trenches in medium hard to hard rock, the cutting wheels of the trench wall cutter are equipped with rolling tools, whose cutting faces are parallel to the bore...
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4976051 |
Rotary trench excavator
A rotary trench excavator comprising a prime mover (1) pivotably connected to a movable frame (2) carrying a working member having the form of a system of drive rotors (9 to 11). To drive each such...
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4971157 |
Apparatus for the removal of spoil when making trenches of great depth
Apparatus including a rotary drilling cutter and a spoil removal conduit for the digging of a deep trench, characterized in that the spoil removal conduit is gradually adjustable in length during...
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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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4958457 |
Trench digging or root cutting device
An apparatus for ditch digging or root pruning having a main frame on which a motor drive mechanism and a cutting wheel are supported. A secondary frame portion or undercarriage is pivotally...
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4942682 |
Dredging module for use with conventional back hoe apparatus
A self-contained dredging module includes a unitary body adapted to be attached to the stick of conventional back hoe apparatus to convert it with minimum modification from dry land to sub-aqueous...
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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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4908967 |
Heavy duty rock trencher
A heavy duty, chassis-mounted rock trencher for use with a conventional tractor for digging a trench, which obviates the use of outboard counterweights typically used to prevent overcentering...
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4858344 |
Undercutter with rotary trencher
There is described a railroad track maintenance machine having a horizontal track undercutter and a vertical rotary trench digging wheel at one side of the track. The bucket wheel is constructed...
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4844549 |
Milling machine for digging trenches in the earth
A milling machine for digging trenches in the earth, of the type comprising at least one substantially vertical support plate on both sides of which two milling drums are mounted for rotation about...
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4800967 |
Drilling machine for digging trenches in the ground
A drilling machine for digging trenches in the ground of the type comprising at least one substantially vertical support plate (3) on which are mounted two drilling drums (2) one one each side of...
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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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4785559 |
Excavator for making a substantially vertical slot in the ground
The apparatus for making a substantially vertical slot in the ground in a step in making a sealing or supporting wall comprises a frame member, a supporting shield, at least two cutting wheels and...
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4678042 |
Method and apparatus for cutting an athletic field line
An athletic field line cutter (10) has a chassis (12) including a plurality of wheels (98-104) for locomotion across the ground. A cutter head assembly (18) is mounted on the chassis (12) and...
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4535555 |
Trencher with plural digging wheels having adjustable inclination
The machine includes a frame on which is suspended on a shaft a support for two inclined cutters. The support includes slots of different inclination in which are mounted guide rollers connected to...
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4503630 |
Ditch digging machine
A ditch digging machine comprising a frame including a pair of vertical posts and a cross bar connecting the upper ends of said vertical posts, wheels supporting the lower ends of the vertical...
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4469185 |
Cutter wheel for tillage apparatus
An improved cutter wheel that is particularly useful with tilling apparatus for sod seeding purposes. The cutter wheel is mounted for rotation by a drive structure that includes a drive shaft. The...
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4360068 |
Furrowing tool
A rotary tool is disclosed which is adapted to be mounted on a machine having power drive means and movable over a field surface to produce furrows therein. The rotary tool comprises bit elements...
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4347676 |
Bucket-wheel excavator
A bucket-wheel excavator has a frame provided with an unsplit-ring bearing that defines an axis for a shaft assembly. This assembly is formed by a solid core shaft extending along the axis through...
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4329087 |
Excavating and pipeline installation system
An excavating and pipeline installation system includes an excavating vehicle, an excavating wheel assembly and a plurality of conveyors. The excavating wheel assembly includes a pair of excavating...
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4326347 |
Narrow ditch trencher
A trencher for escavating narrow channels in soil comprises a power driven wheel rotating about a transverse, horizontal axis and a plurality of buckets disposed about its periphery. The wheel...
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4324056 |
Wiping device for a ditch digging machine
A device for wiping or removing stones, or the like, especially intended for a ditch digging machine, having at least one digging blade which is mounted on a horizontally disposed, rotatable shaft,...
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