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| Number | Title | Issue Date |
| 7562764 | Entry conveyor and pan section for the same An entry conveyor including a conveyor pan formed by a plurality of pan sections that are hingeably connected to each other, at the two ends of which conveyor pan drive stations and/or return stations for a scraper chain are provided. Each pan section includes a top... | 07/21/2009 |
| 7325670 | Conveyor pan The present invention relates to a conveyor pan (110) for underground face or gate conveyors, with a pair of side parts (101) comprising cast parts which include cast vertical arms (113) extending over the height of the bottom run (106) a... | 02/05/2008 |
| 7237669 | Clip for assemblage by clamps Resilient clamps assemble modular sections of a serpentine conveyor belt at peripheral positions of mated interface walls and retain the walls in sealing, face-to-face contact while the belt moves through a laterally bending pathway. The clamps provide opposed latch... | 07/03/2007 |
| 7222731 | Laterally adjustable conveyor A laterally adjustable conveyor utilizes a belt support assembly consisting of a plurality of pivoting support plates connected by pivots for sliding support of a flexible belt. A plurality of support stands provide support for the pivot plates from the floor or oth... | 05/29/2007 |
| 7188441 | Plow guide for a chain-pulled plow The subject matter of the present invention relates to a plow guide for a chain-pulled plow for use in underground mining operations, with plow guide troughs 20 and 50 having multiple parts and being connectable to one another by means of coupling elem... | 03/13/2007 |
| 7070040 | Toggle and toggle connection assembly Toggles are disclosed for toggle connections of conveyor pans of a chain scraper conveyor or conveyor troughs of a mining machine guide. In providing a toggle and a toggle connection, with which high axial forces can be transmitted while, at the same time, maintaini... | 07/04/2006 |
| 7032743 | Conveyor pan The invention relates to a conveyor pan (150) for underground face and gate conveyors, with a bottom run (102) and a top run (103) for the guidance of a scraper of a scraper chain, with a frame work construction (101) which has side walls... | 04/25/2006 |
| 6966429 | Conveyor pan The conveyor pan according to the present invention has a framework construction (1) having the bottom run (2) and an interchangeably constructed exchangeable tray (4) forming the top run (3), which can be lifted out, vertically supported... | 11/22/2005 |
| 6843364 | Toggle bar link for conveyor and guideway pans and toggle bars, toggle bar sockets, safety elements, pans and assembly tools for toggle bar links In a toggle bar link (100) for conveyor pans of conveyors or guideway pans of extraction machine guideways, with toggle bar sockets (1) arranged at the sides of the pans in whose socket cut-outs (3) a toggle bar can be inserted and retained by s... | 01/18/2005 |
| 6035997 | Conveyor pan coupling assembly An improved coupler assembly for pans in a longwall mining conveyor system for handling coal or the like is provided. The assembly includes a dog-bone coupler having notched ends. A first end of the coupler is received and secured in place by a stop in a ... | 03/14/2000 |
| 5927476 | Conveyor pan connection for scraper chain conveyors in particular for use in mining A conveyor pan connection of a scraper chain conveyor which conveyor pans having side profiles having profiled strips which form guide channels for scrapers and having outwardly directed flange strips. The conveyor pan connection includes coupling plates ... | 07/27/1999 |
| 5658085 | Toggle securing device for toggle joints in chain conveyors and the like Toggle securing device for toggle joints of conveyor pans for chain conveyors, guide pans of winning machinery guides and the like with a securing plate which secures the toggle in its receiving pocket, laterally overlaps it at the end, can be introduced ... | 08/19/1997 |
| 5605220 | High-performance chain scraper conveyor with symmetric turning channel A high-performance chain scraper conveyor is equipped with symmetrical channel belts and with a chain conveyor which can turn around corresponding axles so that in combination with the corresponding shape of the channel belts a considerably longer life an... | 02/25/1997 |
| 5287955 | Connections for inter-connecting the pans of scraper-chain conveyors The pans of a scraper-chain conveyor are interconnected with a dog-bone type connector which fits into laterally open shaped pockets in the side walls of the pans. A projection on one of the ends of the connector engages in a recess closed off from the si... | 02/22/1994 |
| 5267640 | Transfer station assembly for scraper-chain conveyors A transfer station between a scraper-chain face conveyor and a scraper-chain roadway conveyor in a mine working has a frame for guiding the scraper-chain assemblies of the conveyor so that material discharges from the face conveyor to the roadway conveyor... | 12/07/1993 |
| 5224582 | Channel sections for scraper-chain conveyors A conveyor channel section has shaped side walls composed of superimposed rolled profiled strips identical in construction and shape A floor plate extends between the side walls and projects between inclined curved wall portions of upper and lower profile... | 07/06/1993 |
| 5215183 | Automatic dump actuator conveyor system A conveyor system enabling dumping of workpieces is disclosed. The conveyor system is comprised of a mechanism for transporting workpieces along the conveyor system. The transporting mechanism has a first receiving end and a second removal or holding end.... | 06/01/1993 |
| 5186596 | Loading and unloading apparatus A longitudinal extensible platform comprises a plurality of framed sections hingedly joined together. Each framed section comprises a first set of ground engaging rollers and a second set of load engaging rollers extending transversely of the framed secti... | 02/16/1993 |
| 5184873 | Guides for mineral winning machines A plough guide which is composed of guide sections mounted on the working face side of the runs of channelling of a scraper chain conveyor. Toggle connections are provided on the abutting ends of the plough guide sections. Compartments accommodating the t... | 02/09/1993 |
| 5161858 | Arrangement for guiding a cutting machine or similar mining machine at the conveyor trough of a drag-chain conveyor An arrangement for guiding on a coal bank side a coal cutting machine at a conveyor trough with guide section portions for a round-link chain which is engaged by a chain drum which drives the cutting machine. The abutting ends of the guide section portion... | 11/10/1992 |
| 5156258 | Scraper-chain conveyors for use in mineral mining A channel section or pan for a scraper-chain conveyor has a floor plate welded between side walls. The floor plate has reduced thickness end regions which provide upper and lower tongues which establish joints with corresponding complementary tongues of t... | 10/20/1992 |
| 5096048 | Conveyor There is provided a self-propelled conveyor for use in mining operations having an endless revolving conveyor strand driven in its longitudinal direction by intermediate drives and guided on a conveyor frame which consists of segments multi-directionally ... | 03/17/1992 |
| 5058730 | Automatic dump actuator conveyor system A conveyor system enabling dumping of workpieces is disclosed. The conveyor system is comprised of a mechanism for transporting workpieces along the conveyor system. The transporting mechanism has a first receiving end and a second removal or holding end.... | 10/22/1991 |
| 5033604 | Connections between the pans of scraper-chain conveyors The pans of a scraper-chain conveyor have a plough guide at one side. The pans are connected together at said one side with the aid of coupling pieces engaged in pockets in the side walls of the pans. Each coupling piece is pivotably fitted to a plate-lik... | 07/23/1991 |
| 5033605 | Conveyor installations A mobile conveyor installation is composed of a carrier frame composed of channels joined end-to-end on which a scraper-chain conveyor is mounted. Drive stations are provided at the ends of the conveyor and the frame and one or both of these have driven t... | 07/23/1991 |
| 5031752 | Curvable chain scraper conveyor A chain scraper conveyor has a conveyor line of linked segments so as to be curvable. A scraper chain runs in a conveying channel through the conveyor line. The scraper chain turns around chain drums in machine frames at the ends of the line, these being ... | 07/16/1991 |
| 4883322 | Mining and conveying apparatus The apparatus for removing stratified outcropped minerals and for transporting these minerals parallel to the mining face or breast comprises a digging portion and a conveyor portion as well as a chain conveyor guided positively in them with digging tools... | 11/28/1989 |
| 4813747 | Rack assembly for advancing a winning machine A rack assembly for allowing movement of a winning machine utilized in underground, long-wall mining operations. The rack assembly is comprised of a plurality of rack sections positioned end-to-end and suitable for attachment to trough sections of a face ... | 03/21/1989 |
| 4787501 | Connections for scraper-chain conveyors To firmly connect an upper trough-like component of a scraper-chain conveyor to a lower component use is made of arch-like locking pieces which fit on a side plate of the lower component which overlaps the side wall of the upper component. The upper regio... | 11/29/1988 |
| 4742904 | Method and apparatus for improving the turning capability of an articulated tramming conveyor An improved method and apparatus is disclosed for turning an articulated self-propelled conveyor which is adapted either for conveying materials or for movement along the surface of the earth, including a plurality of segments pivotally joined to form an ... | 05/10/1988 |
| 4733771 | Connection devices for interconnecting the pans of scraper-chain conveyors The pans of a scraper-chain conveyor are interconnected by way of a dog-bone type connector with enlarged end regions and a central shank which fits into shaped compartments in the side walls of adjacent pans. A hook-like projection on one of the end regi... | 03/29/1988 |
| 4667811 | Channel sections of scraper-chain conveyors A conveyor channel section or pan is composed of upper and lower components each having U-shaped rolled side walls with inwardly-directed flanges and floor plates. Additional side plates fixed to the exteriors of the side walls of the lower component proj... | 05/26/1987 |
| 4646905 | Retaining element Connection means for connecting two components such as conveyor channel sections or guide sections includes an elongate connector. The connector is insertible into laterally-open recesses formed in coupling elements attached to the two components. The lat... | 03/03/1987 |
| 4637510 | Line pans A line pan for an AFC conveyor including a pair of sigma-section sides parallel and transversely spaced, a deck plate between the sides, and a base plate to which the sides are attached. The upper part of each sigma-section side and the deck plate are rem... | 01/20/1987 |
| 4632239 | Scraper-chain conveyor channel section A scraper-chain conveyor is constituted by a plurality of channel sections joined together end-to-end in such a manner as to permit limited articulation therebetween in the horizontal and vertical directions. Each channel section has a pair of side walls ... | 12/30/1986 |
| 4607890 | Guides for mineral mining machines A mineral mining machine guide is composed of individual sections joined end-to-end alongside the pans of a scraper-chain conveyor. Each guide section has a side wall component and a web plate component with spacers therebetween dividing upper and lower c... | 08/26/1986 |
| 4588072 | Scraper chain conveyor trough with reinforcing plate A plate and scraper chain conveyor trough is disclosed for mining operations. Each conveyor trough which has opposite lateral sidewalls is provided with reinforcing plates which are welded to the sidewalls. Each reinforcing plate has a socket member at on... | 05/13/1986 |
| 4566587 | Angle scraper chain face conveyor An angle scraper chain face conveyor comprising a pan line which includes pans that couple one another in a separable fashion forming a face part and a gate part coupled together in a separable fashion by means of an angle section. The conveyor also inclu... | 01/28/1986 |
| 4524859 | Rail assembly for underground coal-getting machines A rail assembly for supporting the wheels of underground wheeled coal-getting machines, in combination with a coal conveyor comprising a plurality of conveyor pans interconnected end-to-end in the direction of movement of the machines with the central axe... | 06/25/1985 |
| 4373757 | Conveyor trough for a scraper conveyor for use with a mining machine A conveyor trough for a scraper conveyor is used as a way or track for an underground mining machine. The conveyor trough includes a trough base with lateral section members welded thereto along the longitudinal sides and form at each side a V-shaped spac... | 02/15/1983 |
