| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 299064000 | With material-handling means | 16 |
| 20100148567 | TEMPORARY POWER EQUIPMENT TRANSPORT SYSTEM FOR MOVING MINING EQUIPMENT AND METHOD OF USE - A system for supplying temporary power to a piece of mining equipment includes a power inverter and controller system. The system uses the battery power of a first piece of mining equipment to temporarily move and/or power a second piece of mining equipment. The first piece of mining equipment is preferably a battery powered mobile piece of equipment so that the first piece of mining equipment can move in conjunction with the second piece of mining equipment. The controller can be remote so that an operator can power and/or move the second piece of mining equipment from a distance, either on ground or on the first piece of mining equipment. | 06-17-2010 |
| 20100244544 | Ejector Unit For A Road Milling Machine Or The Like - The invention relates to an ejector unit, in particular for a road milling machine, having an ejector that is replaceably mounted on a carrier. In one aspect the ejector is curved in a scoop-like fashion. In another aspect the ejector is reversible upon the carrier to allow the ejector to be reversed after one wear surface is worn, thus presenting a new second wear surface. | 09-30-2010 |
| 20100308641 | MINING METHODS AND SYSTEMS USING MOBILE CONVEYORS - A conveyor system for an open pit mine may include one or more conveyor lines. The conveyor lines are used to transport material from one location in the mine to another location. The material transported may be a waste material, such as overburden material, or coal. The conveyor lines may move from a first end of the pit to a distal second end. When the conveyor lines reach the second end, they may reverse direction and return towards the first end. During this reversal in direction of travel, equipment may be selectively swapped between the conveyor lines. The conveyor lines may include at least one mobile bridge conveyor. Each mobile bridge conveyor may support one or more conveyors that transport the material. | 12-09-2010 |
| 20110227397 | MINING MACHINE WITH DRIVEN DISC CUTTERS - A mining machine includes a cutting mechanism with an arm, and a substantial weight of more than a thousand pounds attached to the arm. The mining machine also includes a first disc cutter adapted to engage the material to be mined and mounted on a first disc cutter assembly for eccentrically driving the first disc cutter, the first disc cutter assembly being mounted within the substantial weight. The mining machine also includes at least a second disc cutter spaced apart from the first disc cutter assembly and adapted to engage the material to be mined, and mounted on a second disc cutter assembly for eccentrically driving the second disc cutter, the second disc cutter assembly being mounted within the substantial weight. | 09-22-2011 |
| 20120007412 | CONTINUOUS-EXTRACTION MINING SYSTEM - A material extraction system for an underground mine includes an elevated haulage conveyor extending between first and second ends of a roadway entry. The haulage conveyor is cantilevered from a mine wall and conveys material toward either end of the roadway entry. The system also includes a crusher including a drive operable to move the crusher along the roadway entry. The system further includes a bridge conveyor including a first end adjacent the crusher and receiving material from the crusher, and a second end adjacent the elevated haulage conveyor and positioned for depositing material onto the elevated haulage conveyor. The bridge conveyor is moveable with the crusher along the roadway entry. The system also includes a loader moveable along the roadway entry and into and out of material collection entries to collect material therefrom and transport the material to the crusher. | 01-12-2012 |
| 20120007413 | CONTINUOUS-EXTRACTION MINING SYSTEM - A continuous material extraction system for a mine. The mine includes a roadway entry and a draw-bell entry intersecting the roadway entry and affording access to a draw-bell. The system generally includes a conveyor extending along the roadway entry, roadway rails extending along the roadway entry, and a material collector moveable along the roadway rails. The material collector is operable to crush material and deposit crushed material onto the conveyor. The system also includes a loading machine that is moveable along the rails and from the roadway entry into the draw-bell entry for removing material from the draw-bell and transferring material removed from the draw bell to the material collector. A bridge conveyor extends between the loading machine and the material collector. | 01-12-2012 |
| 20130049437 | MINING SYSTEM AND APPARATUS - A mining system and components for conveyance of mined material. The system may include a continuous miner, a series of one or more conveyor carts, and a loader, coupled in series. The loader may include a first end to be connected to the second end of the series of carts, a feeder assembly proximate to the first end of the loader and also having a first end and a second end, and an elevator at the second end of the feeder assembly. The feeder assembly may include a plurality of spaced paddles connected to endless chains. The paddles convey mined material through a bin and to the elevator. Carts may be stackable, with leg supports of an upper cart being received on the side rails of an adjacent lower cart. Couplings include male and female connectors that couple when advanced toward each other. | 02-28-2013 |
| 20130082511 | MACHINE WITH PIVOTAL CONNECTION BETWEEN A FRAME AND A CONVEYOR - A machine configured to travel across a surface is disclosed. A material removal mechanism is configured to remove material from the surface. A frame supports the material removal mechanism. A conveyor is configured to receive the material and to convey the material to a location off of the machine. A pivotal connection includes connectors connected to the frame and conveyor, respectively, which are configured to mate with one another to allow pivoting of the conveyor relative to the frame. | 04-04-2013 |
| 20140070599 | MINING INSTALLATION FOR EXTRACTING SEAM-TYPE OR MASS-DEPOSIT MINERAL MATERIALS, AND MINING MACHINE FOR THE SAME - A mining machine for extracting seam-type or mass-deposit mineral materials includes a conveyor for carrying away mined material, a machine frame that can be moved along the conveyor and that includes at least one drum, which is equipped with extracting tools, is rotatable about its drum axis and is adjustable in height relative to a machine frame by a swivel arm. The drum axis of the drum is parallel to the direction of travel of the mining machine, and the extracting tools are mounted in groups on tool carriers which are arranged on the circumference of the drum so as to be rotatable about rotation axes disposed transversely in relation to the drum axis. | 03-13-2014 |
| 20140232171 | AIR FLOW SYSTEM FOR MINING MACHINE - A mining machine includes a boom, a cutter head, a valve, and an actuator. The boom defines an internal chamber and includes a first end coupled to a frame, a second end, and an opening in fluid communication with the internal chamber. The cutter head includes a plurality of cutting bits and is supported on the second end of the boom. The valve is coupled to the boom and is movable between a closed position in which the opening is covered and an open position in which the opening is at least partially uncovered. The actuator is coupled to the valve to selectively move the valve between the closed position and the opened position. | 08-21-2014 |
| 20150308265 | DEVICE FOR EXCAVATING A SHAFT - A device for excavating a shaft in which a suction line extends between a mining tool and a single intermediate storage container. During the continuous operation of the mining tool, the intermediate storage chamber can be filled via the suction line to a predetermined filling level, and when said level is reached, in the event of a lack of pressure in the suction line, an ejector door can be opened to fill at least one of the conveyor containers. Based on the arrangement of the opening area of the suction line in the immediate vicinity of the mining tool, the degraded material produced when there is no pressure in the suction line can be easily evacuated after restarting the suction line. | 10-29-2015 |
| 20160017710 | LUMP CRUSHER FOR A SCRAPER CHAIN CONVEYOR - A coarse crusher for use at both face ends of a face conveyor in an underground mine is disclosed. The coarse crusher may have a pan module with a strand segment for guiding an endless conveying means. The strand segment may be delimited by a first pan outer longitudinal side and a second pan outer longitudinal side which lies opposite the first pan outer longitudinal side. The first pan outer longitudinal side and the second pan outer longitudinal side may have a plurality of first pan fastening apparatuses. The coarse crusher may further have a base-frame module fastened releasably via the corresponding first pan fastening apparatuses to one of the first pan outer longitudinal side and the second pan outer longitudinal side. The coarse crusher may also have a support-arm module fastened releasably to the base-frame module. | 01-21-2016 |
| 299065000 | Undercutting, dislodging and conveying | 2 |
| 20100276985 | NOISE REDUCED CONTINUOUS MINER - A mining machine comprising a discharge boom including a tail slide plate slidably connected between left and rear side frames, and a tail roller assembly mounted on the tail slide plate. The tail roller assembly includes a take-up roller mounted centrally between the side frames and between a pair of spacer blocks and a pair of bearing blocks, each of the spacer blocks and bearing blocks being connected to a rearward edge of the tail slide plate. The mining machine also has an opening in each of the side frames, and two slide plate guides, one on each side frame, each of which is positioned outside of the respective side frame adjacent a respective one of the side frame openings, and mounted for sliding movement relative to its respective side frame. The tail slide plate has opposed outside edges received within a respective one of the slide plate guides, and a pair of take up cylinders, one on each side frame, each of which is connected to and extending between the respective side frame and the end of the slide plate guide. The tail roller assembly also includes a pliable elastomer and/or wear material sandwiched between the inside of each of the tail slide plate guides and the outside of each of the side plates, and a polymer-based cushion is connected between the end of the cylinder and the boom side frame. | 11-04-2010 |
| 299066000 | Undercutter shiftable horizontally | 1 |
| 20090066148 | CONTINUOUS MINER HAVING A SUMPING FRAME - A continuous miner including a support frame having a support frame front, and a sumping frame mounted on the support frame for forward and rearward movement relative to the support frame. The sumping frame has a sumping frame front, and the miner further includes a cutting drum pivotally mounted on the sumping frame, the cutting drum being positioned near the sumping frame front. The miner also includes a gathering head for gathering mined minerals pivotally mounted on the sumping frame front, and a hydraulic cylinder for pivoting and fixing the gathering head relative to the sumping frame in both the raising and lowering directions. The continuous miner also includes a first drilling platform pivotally mounted on the support frame front, a second drilling platform pivotally mounted on the support frame front and spaced apart from the first drilling platform, a hydraulic cylinder for pivoting and fixing the first drilling platform relative to the support frame independently of the second drilling platform, and a hydraulic cylinder for pivoting and fixing the second drilling platform relative to the support frame independently of the first drilling platform. | 03-12-2009 |
| 299067000 | Material handler enters cut with cutter | 2 |
| 20140239699 | CONTINUOUS MINER MID-CONVEYOR DRIVE - A continuous miner includes a mining portion, a support frame connected to the mining portion, and a discharge portion pivotally attached to the support frame. The discharge portion swings laterally relative to the support frame about a pivot axis. The continuous miner also includes a conveyor extending across the support frame and discharge portion. The conveyor moves mined material from the mining portion to the discharge portion. The conveyor includes a conveyor chain, a rear roller, and a front roller. The continuous miner also includes a conveyor drive system for driving the conveyor chain. The conveyor drive system is located on a bottom surface of the continuous miner and between the rear roller and the front roller. | 08-28-2014 |
| 20160146006 | MINING MACHINE GATHERING HEAD - A gathering head for a mining machine is positionable at a forward end of the machine. The gathering head includes a base, a back plate and sidewalls. The sidewalls are both tapered inwardly in the widthwise direction of the head from a forward end to a rearward end and outwardly relative to the base from a lowermost region to an uppermost region. Accordingly, the requirement for additional gathering arms at a base region of the head is avoided. | 05-26-2016 |
