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7604301 |
Dual axis grinder blender
The dual axis grinder includes a support frame with a plate and a mast. The mast is connected to the boom of an excavator and to a hydraulic stick control cylinder. An auger tube is journaled in a...
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7431402 |
Rock boring device
A rock boring device includes a rotary disc cutter. The disc cutter is driven in an oscillating manner and may be driven or free to nutate, and the device includes a mounting section for the rotary...
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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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7357458 |
Boring rig
A boring rig ( 14 ) for underground boring for excavating purposes and including a substructure ( 21, 22 ), a propulsion device, a stabilizing device ( 31, 32, 35, 36, 37, 38, 39, 42 ), and a...
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7325882 |
Rock cutting machine
A rock cutting machine including a boom rotatably mounted at a proximal end to a chassis adapted to be placed adjacent a rock face to be cut. The boom extends from the chassis to a distal end...
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7182407 |
Rock boring device with an oscillating and nutating rotary disc cutter
A rock boring device ( 10 ) including a rotary disc cutter ( 11 ). The disc cutter ( 11 ) is driven in an oscillating manner and also driven or free to nutate, and the device includes a mounting...
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7093906 |
Floor scraping machine with floating blade
A machine for scraping a floor covering from a floor has rear drive wheels and a forward blade assembly. Arms which each rotate independently on the frame at one end are connected to the blade...
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6988776 |
Floor scraping machine with floating blade
A machine for scraping a floor covering from a floor has rear drive wheels and a forward blade assembly. Arms which each rotate independently on the frame at one end are connected to the blade...
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6709064 |
Method and device for detaching or cutting out an embedded manhole frame
A method for detaching a manhole frame ( 7 ) that is embedded in a road surface, wherein the manhole frame ( 7 ) is cut horizontally starting from the inside, without significant exposure of the...
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6672675 |
Traverse carriage
A traverse carriage and operator arrangement for transversely adjusting the abrader unit or units of a mobile surface abrading apparatus. In a preferred embodiment the traverse carriage is mounted...
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6582026 |
Machine for cutting pavement
A machine for cutting pavement, street curbs, bridge components, or sidewalks. The cutting apparatus is mounted on a truck body for transport and can be extended from the truck and supported...
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6428109 |
Mining machine with sliding cutting tool assembly
In a cutting machine ( 2 ), including rotatably mounted cutting or shearing tools ( 19 ), a loading ramp and a hauling means ( 4 ) extend in a direction towards a mine face for receiving and...
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6357831 |
Excavation machine for hard rock mining
An excavation machine for hard rock mining which is relatively inexpensive, is mobile and versatile, is relatively light in weight (weighing no more than eight metric tons including power and...
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6270163 |
Mining machine with moveable cutting assembly and method of using the same
A mining machine (20) for combined entry and retreat cutting of material located in underground seams including, a movable mainframe (21), a wing (50, 51) extending ahead of the movable mainframe,...
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6224164 |
Mining machine with detachable articulated cutting assembly
A mining machine that has a chassis that defines an operator area thereon and has a mining assembly attached thereto. A vertically extending shield assembly is supported on the chassis to prevent...
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6158817 |
Concrete saw machine for grooving above, below, or beside
A machine is disclosed, for making a groove into a ceiling, wall or floor. The machine has a powered truck-like vehicle having a support base and an apparatus mounted on the base. The apparatus has...
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6062650 |
Continuous control system for a mining or tunnelling machine
A continuous control system for a mining or tunnelling machine having a boom (12) with a motor driven cutting head (14) at one of its ends and a rotatable turret (20) at the other end, the control...
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6003952 |
Underwater mining machine
An underwater mining machine includes a chassis mounted on a powered drive arrangement for driving the chassis on an underwater surface, the chassis having a front end and a rear end and being...
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5836658 |
Method and apparatus for boring and shearing of rocks
A method of rock cutting where, as a first step of each excavation cycle, a second open surface is created utilizing boring method and, as a second step, the excavation cycle is completed utilizing...
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5676125 |
Excavator mounted concrete saw
Rotary disk saw is adapted to be mounted on an earth excavator or the like, having an articulating and rotatable member for a boom. To this excavating boom, which normally carries a shovel, the saw...
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5333936 |
Low profile mining machine having a cutter mounted on a slidable carriage
A cutter machine has cutter heads or rollers rotatably mounted on a pivoting cutter arm. It also has a loading ramp and a conveyor running in a direction towards the work face of the cutter machine...
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5330257 |
Auger mining machine
An auger mining apparatus includes a support frame holding a tilt platform. A tilt mechanism displaces the tilt platform at a pitch between 0°-45° relative to the support frame. A stacked, dual...
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5234257 |
Mobile mining machine having tilted swing axis and method
A mobile mining machine for cutting a tunnel in rock has a wheel-like cutterhead assembly supported by a pitch boom assembly that causes movement of the cutterhead assembly in the vertical plane. A...
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5221122 |
Multipurpose mining machine
A mining machine having a frame undercarriage having forward and rearward ends provided with a traction assembly for driving the frame undercarriage towards a seam face to be mined. A cutting...
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5192116 |
Gantry-type mobile mining machine
A gantry-type mobile mining machine includes a cutterwheel having an axis of rotation substantially parallel to the tunnel work face and carried by a boom assembly pivotally movable about an axis...
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5192115 |
Tramming mobile mining machine
A mobile mining machine for cutting a tunnel in rock has a wheel-like cutterhead assembly supported by a pitch boom assembly that causes movement of the cutterhead assembly in the vertical plane. A...
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5087102 |
Continuous mining machine
A continuous mining machine for excavating a longitudinal shaft or tunnel underneath the surface of the earth. The machine has a working platform that mounted on the transport mechanism, and a...
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4998777 |
Coal-cutting machine having horizontally swivellable jib boom and vertically swivellable loading means
A coal-cutting machine (1) having an all-round swivelling jib boom (6), on which cutting implements (17) are rotatably supported, and a loading platform (3) comprising a loading platform which can...
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4921309 |
Mining machine adapted for attachment of continuous miner cutter boom assembly
The mining machine can serve a dual function, as a road header or as a continuous miner. The machine has a turrent 14 into which a road header assembly can be directly pivotally mounted....
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4884848 |
Device and method for exploiting material
The openpit mining device includes a cantilever arm which is swivellable around a horizontal axis and carries a support or tool carriage. The support or tool carriage is shiftably supported in a...
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4838615 |
Apparatus for excavating a recess
Apparatus for excavating a tunnel of generally quadrilateral cross-section, the apparatus comprising a cutting head having the head being mounted for rotation about a first axis and a second axis...
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4792190 |
Machine for cutting curbstones, sidewalks or the like
There is disclosed a machine including a powered truck-like vehicle having a support base and an apparatus mounted on the base for cutting a drive-in passage across a curbstone, a sidewalk or the...
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4770469 |
Process for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine as well as apparatus for performing this process
A method and apparatus for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine of the kind including a first hydraulic drive for lifting and lowering...
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4749194 |
Sectional cutting machine used to cut curved gallery cross-sections true to profile
Sectional cutting machine used to cut a curved gallery cross-section in underground mining and tunneling operations with cutting rollers arranged in a movable way in regard to the machine frame....
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4746170 |
Mining machinery
There is provided a continuous mining system comprising at least one chassis, boom arrangement for supporting a continuous miner cutting head, roadheader turntable assembly and, optionally,...
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4744425 |
Apparatus for excavating a substantially vertical slot
The apparatus for making a substantially vertical slot in the ground, especially in a single operation in making a sealing or supporting wall, comprises a machine frame with a rectangular cross...
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4740037 |
Continuous mining machine
A continuous mining machine includes a main frame mounted on tracks for mobility, a cutter head mounted on a subframe which is adapted to be moved toward and away from the front of the main frame,...
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4721340 |
Process for controlling the movement of an universally swivellable cutting arm as well as control device for performing this process
A process for controlling the movement of a universally swivellable cutting arm of a partial cut, cutting machine, comprising a first hydraulic drive for lifting and lowering the cutting arm, and a...
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4718730 |
Cross-axis cutting assembly of a selective cutting machine
A cross-axis cutting assembly of a selective cutting machine is provided with internally-fed spray means. The assembly includes two cutting heads supported by a boom, the cutting heads being driven...
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4711502 |
Apparatus for cutting excavations having a substantially planar face
An apparatus for cutting excavations having a substantially planar face comprises a cutting tool which is rotatably mounted on a jib. The jib is mounted on a mobile machine for a pivotal movement...
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4696518 |
Cutting machine
In a cutting machine (1) comprising cutting heads (5) rotatably supported on a universally swivellable cutting arm (2) and having arranged therein a gearing stage (7), supply of water is effected...
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4688855 |
Drift advancing or exploiting machine
A mine drift advancing machine includes a cutting arm pivoted at its rear end to the machine chassis for movement about a horizontal axis and at its front end supporting a carrier which is pivoted...
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4655507 |
Continuous miner
A maneuverable mining machine is disclosed. The mining machine has a chassis with at least one cutting head mounted on the front of the chassis and adapted to cut into a mine face extending...
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4645266 |
Tunnel and gallery excavator
A tunnel and gallery excavator comprises a ground contacting mechanism projecting from the front of a motorized drive and chassis and feeds debris to a conveyor. The digging arm has a pair of...
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4615565 |
Tunnel or road header
A tunnel or road header is provided with a caterpillar running gear and a portal frame. A cutter head means engageable with a tunnel face is mounted displaceably on the frame on a horizontal track...
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4591209 |
Protecting device for partial-cut cutting machines
For protecting partial-cut cutting machines from overload, a vibration sensor 7 is provided on the swivellable cutting arm 2 carrying rotatably supported cutting heads 6. The signals of the...
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4589701 |
Cutting machine
A cutting (winning) machine comprises a frame which is provided with a pair of endless drive tracks. A mast is pivotally mounted on the frame for movement between an upright working position and a...
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4588230 |
Control for mining machine
A control for a mining machine having means for traversing a ground surface and a universally-pivotal carrier arm of variable length which carries at its forward end a cutter drum. A displacement...
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4572303 |
Machine for extracting, rough shaping and squaring blocks of stones, marbles and granites, particularly in quarries
The machine comprises an automobile vehicle provided with a pivoting boom to which is pivotably mounted a beam carrying a pivotally mounted swingle-bar to which is coupled a rotary plate for...
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4470635 |
Method and apparatus for excavating a tunnel or gallery face
A method of excavating a tunnel face in which the cutting head is sunk into the face to form an initial penetration and is then moved laterally. The power consumption of the cutting head drive...
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