Abstract: A system for moving discrete articles comprising a system for fixing push rods to the chain comprising: two opposite sides (20) that support a conveyor plane (21); two chain holder guides (22), opposite and fixed to said sides (20); two chains (23) with links with protruding pins (24) sliding inside said two chain holder guides (22); push rods (25) fixed in a removable manner, transversally to said conveyor plane (21), to said pins (24) of said chain (23); characterized in that it comprises: blocks (30) having a central hole (31) designed to slide with friction over said push rods (25); said blocks (30) having a pair of holes (32), lateral to said central hole (31), designed to slide with friction over said pins (24).

Abstract: A harvesting machine feederhouse that comprises an outer body connectable to and between a head unit and a thresher of the machine. The feederhouse additionally comprises a liner disposed across a bottom surface of the outer body, and at least one conveyor rotatably disposed within the outer body for conveying harvested plant product received from the head unit along the liner into the thresher. Each conveyor includes a first guide, a second guide, a pair of conveyor transports that extend between, and are disposed around, the first guide and the second guide. Each conveyor additionally includes a plurality of plant product sweeps disposed across and connected to the transports. Each sweep is sized to contact the liner as the conveyor transports are rotated around the first guide and second guide, thereby conveying plant product received from the head unit along the liner into the thresher.

Abstract: The present invention provides a material conveying device including a material conveying groove, having a traveling track; a material bearing and conveying assembly, including: an annular chain; traveling units arranged on the chain at intervals, drivable by the chain to move on the traveling track along a material conveying direction, and provided with a bottom surface close to the material conveying groove, a top surface opposite the bottom surface and side surfaces extending between the top and bottom surfaces; a belt-shaped elastic material bearing portion, connected to the top surfaces and/or the side surfaces of the two adjacent traveling units; and a driving device to drive the chain to circularly rotate relative to the material conveying groove along the material conveying direction. The working state of material conveying equipment can be improved, and the stability and economic index of the equipment can be enhanced.

Abstract: An object processing system is disclosed for unloading objects from a trailer of a tractor trailer. The object processing system includes an engagement system including a truck entry portion for entering the trailer and for indiscriminately engaging unidentified objects within the trailer, and a conveyance system for conveying objects engaged by the engagement system toward an unloading portion of the trailer.

Abstract: A conveyor chain includes a first link, a second link, and a coupler link. The first link includes a first sprocket-engaging portion and a second sprocket-engaging portion, each protruding laterally away from one another. The second link includes a first sprocket-engaging portion and a second sprocket-engaging portion, each protruding laterally away from one another. The coupler link couples the first link to the second link, and the coupler link is positioned laterally between the first sprocket-engaging portion and the second sprocket-engaging portion of each link. The coupler link includes a first joint pivotably coupled to the first link and a second joint pivotably coupled to the second link. The first joint permits pivoting movement of the first link about a plurality of axes, and the second joint permits pivoting movement of the second link about a plurality of axes.

Abstract: A conveyor chain includes a plurality of side link assemblies and flight arm assemblies coupled together to form an elongated chain. The flight arm assemblies include a pair of opposing flight arms positioned on either side of the chain with the flight arms each including an elongated body formed with and extending from an integral base and a vertical sprocket opening formed in the integral base. The vertical sprocket opening is configured for engaging a tooth of a drive sprocket to drive the flight arm. The side link assemblies include a pair of opposing side straps positioned on either side of the chain each including a base and a pair of side strap bosses extending outwardly from the base.

Abstract: The invention relates to a rod belt for rod belt conveyors, in particular of agricultural machines, with transverse rods (4) arranged transverse to a running direction and parallel to one another, whereby the transverse rods (4) rest on tension-proof elastic and continuous belts (3) running parallel to one another and being attached to the belts (3) by attachment at a pre-determined rod spacing. According to the invention, it is provided that on at least one of the belts (3) a belt clip (5) is affixed via attachment (6), whereby said so attached belt clip (5) confines at least one cavity on a support surface of the respective belt (3) and at least one of the transverse rods (4) is cage-like housed in the at least one cavity in such a manner that the at least one transverse rod (4) is fixated via the belt clip (5) to the at least one belt such a manner that the at least one transverse rod (4) is fixated via the belt clip (5) to the at least one belt.

Abstract: A link for a conveyor chain includes a first portion and a second portion laterally spaced apart from the first portion. The first portion includes a first sprocket-engaging pin, and the second portion includes a second sprocket-engaging pin. The first sprocket-engaging pin and the second sprocket-engaging pin protrude laterally away from one another. The first sprocket-engaging pin and the second sprocket-engaging pin may each have an oblong cross-section. At least one retainer can secure a connecting pin against movement relative to at least one of the first portion and the second portion, and each retainer can be positioned substantially within one of the first portion and the second portion.

Abstract: A food article slicing machine includes a food article loading apparatus with a lift tray assembly for moving food articles from a staging position to an elevated position at a beginning of a food article feed path, a food article feed apparatus disposed over the food article loading apparatus having an upper conveyor assembly with an independently driven endless conveyor belt used in cooperation with a food article gripper for moving the food articles along the food article feed path, a food article stop gate that forms part of the food article feed path and opens to drop food article end portions, and a slicing station at an end of the food article feed path with a knife for slicing the food articles.

Abstract: An object processing system is disclosed for unloading objects from a trailer of a tractor trailer. The object processing system includes an engagement system including a truck entry portion for entering the trailer and for indiscriminately engaging unidentified objects within the trailer, and a conveyance system for conveying objects engaged by the engagement system toward an unloading portion of the trailer.

Abstract: A conveyor flight for a chain comprising at least two spaced apart links, and two side plates that connect the links, with each side plate including two spaced apart extension pins extending from the side plate. The flight comprises a metal support, and the metal support includes two spaced apart cylindrical portions adapted to receive the two spaced apart extension pins. The flight also includes a flexible casing surrounding the metal support.

Abstract: A conveyor flight for a chain comprising at least two spaced apart links, and two side plates that connect the links, with each side plate including two spaced apart extension pins extending from the side plate. The flight comprises a metal support, and the metal support includes two spaced apart cylindrical portions adapted to receive the two spaced apart extension pins. The flight also includes a flexible casing surrounding the metal support.

Abstract: An inclined conveyor for a combine harvester has two drive elements which define a conveying direction and revolve in a conveying duct. Conveying duct is divided into an overshot return duct and an undershot conveying duct by a separating element situated between the upper run and the lower run of the drive element. Drive element is interconnected by carriers situated transversely with respect to conveying direction that convey harvested crop in undershot conveying duct. The difference in speed between the carrier bars and harvested crop stream is eliminated, and at least reduced, by additional acceleration of harvested crop stream. Carrier bars serve as carriers, and as acceleration elements for the harvested crop. That is because the cross section of each of the carrier bars viewed in conveying direction, occupies at least 30% of the smallest internal cross section of undershot conveying duct.

Abstract: Belt conveyor system comprising: an endless mesh belt, the belt having a mesh structure and having edge areas at the lateral sides, a drive mechanism drivable by a drive motor to rotate the belt, and a steering roller for steering the lateral position of the belt, wherein an edge area comprises a band running substantially parallel to the lateral sides, the band comprising an elastic filler being provided inside the mesh structure, the elastic filler being discernible from the mesh structure, and wherein the belt conveyor system further comprises a band position detector for detecting the lateral position of the band.

Abstract: A feederhouse (20) for a combine harvester (10) has a drivable inclined conveyor shaft (80), which is supported via a bearing arrangement (48), which is designed as an axially movable floating bearing, on the housing (76) of the feederhouse (20).

Abstract: A track chain assembly for an undercarriage system is provided. The track chain assembly includes a plurality of adjacent offset link sets connected to each other through a pin provided between oppositely disposed offset links wherein an axis of rotation is defined by the pin. The track chain assembly also includes a connection assembly coupled to a pair of the plurality of offset link sets. The connection assembly is configured to connect two ends of the track chain assembly together to form an endless loop. The connection assembly includes a first pair of straight links coupled to one of the pair of the plurality of offset link sets. The connection assembly also includes a second pair of straight links coupled to the first pair of straight links and the other of the pair of the plurality of offset link sets.

Abstract: A conveyor chain includes a plurality of side link assemblies and flight arm assemblies coupled together to form an elongated chain. The flight arm assemblies include a pair of opposing flight arms positioned on either side of the chain with the flight arms each including an elongated body formed with and extending from an integral base and a vertical sprocket opening formed in the integral base. The vertical sprocket opening is configured for engaging a tooth of a drive sprocket to drive the flight arm. The side link assemblies include a pair of opposing side straps positioned on either side of the chain each including a base and a pair of side strap bosses extending outwardly from the base.

Abstract: An article conveyer belt assembly used for example, in a coin sorting device for positively pushing an article, such as a coin along a support surface is provided. A toothed belt has teeth for transmission of power by mounting a plurality of pushers on the belt with a connector removably mounted with a connecting body, a first holder and a second holder spaced a distance from each other to hold onto the conveyor belt. One of the first and second holders has a hook member to close a spaced opening at one end. The first and second holders are cantilevered to be mounted on a conveyor belt. At the other end of the connector body a pusher unit has a first shaft part and a second shaft part cantilevered from the connector body, with a hollow roller snap fitted on the first shaft part and the second shaft part.

Abstract: A tensioning assembly for a cable drag conveyor. The conveyor includes a head pulley mounted on a head pulley shaft positioned in a head pulley housing and a tail pulley mounted on a tail pulley shaft positioned in a tail pulley housing, infeed and discharge conveyor tubes interconnecting the head pulley housing and the tail pulley housing, and an endless rope having conveying disks attached to the rope positioned in the infeed and discharge conveyor tubes and around the head pulley and tail pulley. The tail pulley housing is positioned in a stationary position in relation to the head pulley and the head pulley housing. The tail pulley shaft and tail pulley is positioned on the tail pulley housing for movement in relation to the tail pulley housing, the head pulley and the head pulley housing. A tensioner moves the tail pulley to maintain the tail pulley at a distance in relation to the head pulley that results in correct tension on the rope during its travel through the cable drag conveyor.

Abstract: A work piece conveying apparatus capable of conveying plural work pieces with differing transport pitches to each other. The work piece conveying apparatus includes a drive motor that includes an output shaft, plural drive pulleys that are fixed to the output shaft and have different diameters to each other, plural timing belts that are respectively entrained around the plural drive pulleys, and plural coupling plates that are respectively fixed to the timing belts and that move reciprocating with different transport pitches to each other accompanying forward and reverse rotation of the output shaft, and cause to convey work pieces.

Abstract: A chain link for a tubular conveyor, including an elongate endless loop having first and second opposed, spaced-apart link segments that each include a respective opposing, inwardly extending anchoring recess on an outer surface adapted to receive and retain a conveyor chain flight on the chain link.

Abstract: A grain drying and moving apparatus combination includes a conveyor assembly in communication with a bottom wall channel of a grain dryer assembly. The conveyor assembly receives and transports grain away from the housing. The conveyor assembly includes a conduit that is attachable to the bottom wall and coextensive with the channel. The conduit includes a first lateral wall, a second lateral wall and a lower wall. A rail is attached to the conduit. A chain is mounted on the rail and forms a continuous loop. The chain includes a plurality of links each having an upper plate and a lower plate. The upper and lower plates are horizontally orientated. A plurality of paddles is attached to and extends downwardly from the chain. The paddles each extend between the first and second lateral walls when the paddles are within the conduit.

Abstract: Provided is an apparatus that conveys container pre-forms comprising a first circulating carrier and a plurality of engagement devices constructed and arranged on the first circulating carrier. The engagement devices circulate along a pre-set circulation path during a movement of the first circulating carrier. The circulation path has at least one portion at which the engagement devices are fed during the movement along the circulation path onto a flow of the containers. The engagement devices are shaped such that during the feed onto the flow of the containers each engagement device applies a force between two adjacent containers and forces the two containers apart from each other.

Abstract: A pan section for combined conveying and winning apparatuses having a bottom run and a top run for guiding driver elements of a conveyor chain, as well as a welded frame structure which has two side cheeks which consist of one-piece rolled profiles. The rolled profiles have a constant profile shape with a bottom leg and a top leg, which are angled outwards in the assembled state, and an intermediate leg being provided with an offset for supporting and welding at least one intermediate plate. The pan section further includes a substructure connected to the bottom leg of the rolled profiles to connect both bottom legs to one another at a distance from the intermediate bottom. The substructure also has mounting pieces positioned at the ends below the bottom legs for transverse-force transmission means.

Abstract: An article conveyer belt assembly used for example, in a coin sorting device for positively pushing an article, such as a coin along a support surface is provided. A toothed belt has teeth for transmission of power by mounting a plurality of pushers on the belt with a connector removably mounted with a connecting body, a first holder and a second holder spaced a distance from each other to hold onto the conveyor belt. One of the first and second holders has a hook member to close a spaced opening at one end. The first and second holders are cantilevered to be mounted on a conveyor belt. At the other end of the connector body a pusher unit has a first shaft part and a second shaft part cantilevered from the connector body, with a hollow roller snap fitted on the first shaft part and the second shaft part.

Abstract: A bread conveying apparatus includes a pair of rolling members spaced apart from each other along a loaf bread conveying path, an endless revolving member wound around the pair of rolling members and laid along the conveying path, a first flight mounted to the endless revolving member to urge the loaf bread along the conveying path and carry the loaf bread to a predetermined position, and a second flight mounted to the endless revolving member upstream of the first flight along the conveying path to urge the loaf bread so as to align the loaf bread with the predetermined position.

Abstract: A sweep conveyor extends along a bin floor between a sump pivot about which the conveyor rotates, and an outer end adjacent the bin wall. During the conveyor's orbit about the floor, flights at the conveyor bottom sweep across the floor toward the sump pivot, whereby bin material in front of the conveyor is swept into a sump. The conveyor is preferably made in modular sections connected end-to-end, whereby different sections are combined to construct conveyors having different lengths and capabilities. Some sections are preferably hinged together, allowing different sections to adopt different inclinations as they travel about a non-level floor. The flights are preferably provided on a belted chain riding on sprockets at opposite ends of the conveyor, and the chain is not supported by idler sprockets along its length, allowing the chain (and its flights) to sag under gravity so the flights ride along the bin floor.

Abstract: A continuous recovery system for an electrorefiner system may include a trough having a ridge portion and a furrow portion. The furrow portion may include a first section and a second section. An inlet and exit pipe may be connected to the trough. The inlet pipe may include an outlet opening that opens up to the first section of the furrow portion of the trough. The exit pipe may include an entrance opening that opens up to the second section of the furrow portion of the trough. A chain may extend through the inlet and exit pipes and along the furrow portion of the trough. The chain may be in a continuous loop form. A plurality of flights may be secured to the chain. Accordingly, the desired product may be continuously harvested from the electrorefiner system without having to halt the electrical power and/or remove the cathode and anode assemblies.

Abstract: A longwall shearer loader is provided. The longwall shearer loader includes a shearer body located outside of an armored face conveyor. Additionally, the longwall shearer loader includes a motor and a transmission unit that propel a drive shaft located in a part of the shearer body, which is above the armored face conveyor. The drive shaft transmits power to a drive wheel installed in the shearer body on a goaf side, which is outside of a line pan of the chain conveyor and which moves along a ladder.

Abstract: A slat for use in an agricultural harvester including a web securable to a material moving system. A first and second leg extending outwardly from one side of the web, the first leg providing primary impetus for movement of crop material in a first direction by the material moving system. A third leg extending outwardly from an opposed side of the web and providing secondary impetus for movement of crop material by driven movement of the material moving system. In response to the slat encountering a foreign object that becomes wedged between the first leg, the third leg and structure of the material moving system and preventing driven movement of the material movement system in the first direction, upon application of force urging movement of the material movement system in an opposed second direction, the third leg facilitating a rotational movement of the slat for dislodging the foreign object.

Abstract: The present invention relates to a method for returning empty packaging, particularly bottles and cans, having a bulk import, in which the empty packaging is routed out of an input chamber through a transport device, rotating the empty packaging along its longitudinal axis past a recognition unit. The transport device for carrying out the method has a plurality of rollers which are arranged transversely with respect to the direction of transport and act as carriers for the empty packaging. The empty packaging is supplied to the detection array of the recognition unit in a field array. To avoid empty packaging being conveyed on top of other empty packaging, thereby blocking the detection of the bottom empty packaging by the recognition unit, the empty packaging undergoes a brief reversal of direction of rotation before its presentation to the detection array.

Abstract: A face conveyor includes a continuous conveyor formed by a conveyor chain with entrainment plates that are connected to chain links and which, when conveying, circulates in an outward run and a return run, each of which are guided in trough portions by trough elements, which are arranged in a row. Guides provided on each trough element include a first guide on a working face side and a second guide at a spacing from a goaf side. The first guide on the working face side is secured on the trough element between the outward run and the return run. The outward run and the return run extend in a laterally offset manner with respect to each other, and the trough portion guiding the entrainment plates in the outward run is open on the working face side.

Abstract: Apparatus for transporting documents in a paper handling system, comprising: a drive train; a document transport element connected to the drive train for moving documents; and means adapted to apply a relatively high voltage element to generate a high torque when the transport element is not loaded and to reduce the voltage and thus the torque a predetermined time after the transport element engages a document to be moved.

Abstract: An armored face conveyor includes a plurality of line pans positioned adjacent to one another, a plurality of flight bars, and a connecting member. Each line pan includes a race having an outer race face and an inner race face. The plurality of flight bars extend laterally across the line pans and are received by the race. Each flight bar includes an end having an upper guide surface and a lower guide surface. The connecting member extends through the plurality of flight-bars and couples the flight-bars to one another. Lateral movement of any one of the flight-bars that causes the upper guide surface to contact the outer race face substantially simultaneously causes the lower guide surface to contact the inner race face.

Abstract: The regulating unit is inserted in an installation for preparing batches of containers of the bottle kind. This regulating unit is interposed between an upstream conveyor and a downstream conveyor and at each of its ends, between two adjacent walls (16), comprises means for centring each conveyor module (9). These means consist of arms (25) of the same length forming a pair of compasses between two adjacent walls (16), which pair of compasses has a central articulation secured to said conveying module (9) by means of a sliding connection located in the mid-plane of the corresponding lane. The walls (16) are connected to one another by a pantograph system (30) and a connecting member, consisting of a link rod (35), which extends between the pair of compasses and said pantograph to collaborate with the corresponding support of the conveying module (9) in order to keep it in the mid plane of the corresponding lane.

Abstract: An apparatus (4) for the distribution of cards on paper carriers allows easier control and reading steps on the cards, without slowing down the coupling process, and includes a card conveying line, on which are provided: a first section (44) wherein the cards (100) translate in a substantially vertical arrangement, the apparatus (4) including at least one card control and/or reading station (41) thereat; and a second section wherein the cards translate in a substantially horizontal arrangement and wherein an element for coupling (49) cards to a paper carrier is operated.

Abstract: An apparatus for transporting objects includes a guide arrangement for supporting and guiding along a movement path at least one carriage supporting a support element suitable for receiving at least one object. A movement arrangement moves the carriage along the movement path. The carriage is provided with rolling elements and the guide arrangement includes at least three guides that are parallel to one another, each of which is arranged for supporting and guiding a respective rolling element in an operative configuration of the carriage. The guides define respective movement profiles conjugated and shaped so that each rolling element abuts on the respective guide at each point of the latter along the movement path. The rolling elements are arranged at the vertices of a triangle with respect to a plane that is parallel to the guides.

Abstract: 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.

Abstract: A conveyer assembly for loading and unloading objects from vehicle, the assembly including a platform having at least one slot extending across at least a portion of the platform, at least one conveyor extending at least partially into the slot, wherein the conveyor linearly translates inside the slot and at least one support plate, wherein the support plate is releaseably associable with the conveyor via at least one connector member configured to engage the at least one conveyor in such a way that when the conveyor linearly translates the support plate translates therewith and when the conveyor stops the support plate is secured in place.

Abstract: A reclaimer system for removing solid material from a fluid-filled pit. The reclaimer system comprises a screen, a pump, and a conveyor. The screen is positioned within the pit such that the pit is divided into a first portion and a second portion. The screen includes a plurality of openings. The pump is positioned in the first portion of the pit and includes at least one intake port in fluid communication with the first portion of the pit. The conveyor is positioned in the second portion of the pit adjacent the screen. The conveyor includes a frame, a belt, a plurality of flight members mounted on the belt, and a conveyor deck. The flight members are mounted on the belt and move the solid material along the conveyor deck, carrying the solid material out of the pit.

Abstract: In a mail-handling machine having a conveyor path for conveying the mailpieces, which path is defined by a longitudinal referencing wall and by a top referencing wall, there is provided a conveyor and jogger belt formed of a continuous strip having two opposite faces, namely an inside face provided with a set of teeth suitable for cooperating with drive cogs for driving the belt, and an outside face provided with a plurality of flexible blades spaced apart at a predetermined distance, the free ends of the flexible blades providing both support for the flat articles while they are being conveyed and also jogging for jogging them against the top referencing wall.

Abstract: The invention relates to a transporting apparatus for transporting products, which includes a linear drive mechanism, a continuous conveyor system, having two parallel straight conveyor regions and two curved conveyor regions each connecting one end of the straight conveyor regions, and a plurality of conveyor elements. The conveyor elements extend along the continuous conveyor system and convey the products to be conveyed along at least a portion of the conveyor system while being guided along a guide path. The linear drive mechanism includes a first linear segment and a second linear segment, which are disposed parallel to the straight conveyor regions. The curved conveyor regions of the conveyor system are advantageously embodied as driveless.

Abstract: A scraper for a scraper chain conveyor, having a top web, on which a chain attachment region for connecting the scraper to a scraper chain is configured, and having scraper wings for guiding the scraper on side profiles and bottom of a scraper chain conveyor. In order to provide scrapers with which a higher conveying output or a reduction of the drive output to be installed can be achieved, and which also enable a worn or defective scraper to be changed below ground, it is provided according to the invention that the scraper wings consist of a holding portion anchored to the metallic top web and a plastics sliding insert which can be releasably fastened to the holding portion. For the sliding inserts and their retention, various embodiments are proposed.

Abstract: A link chain for chain conveyors for use in mining, with vertical chain links having a constant cross-sectional profile provided on the inside with a circular arc and on the outside preferably with a flat section, and with horizontal chain links having front sections, longitudinal limbs and an oval inner opening. The longitudinal limbs on the outer sides comprising at least adjacent to the upper and lower sides a spherical shaped surface and/or the horizontal chain links comprising on the transition of the front sections into the longitudinal limbs corner areas, wherein the longitudinal limbs on their top side and bottom side at least in the corner areas are partially provided with a cavity.

Abstract: The invention relates to a link chain for scraper chain conveyors with vertical chain links which are interlinked in an articulated manner and horizontal chain links, wherein vertical chain links have around the full circumference a constant cross-sectional profile provided on the outside with a flat section and on the inside with a circular arc and horizontal chain links have front sections which have a straight front zone, wherein longitudinal limbs, which connect front sections, of horizontal chain links are provided on their outer faces with a recess.

Abstract: The invention relates to a drive and tensioning unit for a scraper chain conveyor, in particular a face conveyor for drum cutter-loader mining apparatus, comprising a telescopically configured machine frame (10) having a machine frame base and a machine frame head, which is displaceable relative to the machine frame base by means of at least one hydraulic cylinder (20) and has bearing recesses (6) for supporting a chain drum shaft, each hydraulic cylinder (20) being supported at one end in a connecting joint (30) on a side board (4) of the machine frame head (2) and at the other end in a connecting joint (30?) on a side wall (15) of the machine frame base (1). in order to improve the unit, the connecting joint (30) comprises a recess in the side board (4) an/or in the side wall (15) and a bearing bracket detachably anchorable in the recess (31), wherein structurally identical recesses are provided in both side boards (4) and in both side walls (15).

Abstract: This report for Utility Model refers to an improvement introduced in the configuration of drag plates sets installed in a conveyor of the redler type, in a closed circuit circular duct, used for transportation of bulk products, more specifically, for handling vegetable grains and agriculture seeds, such as soy, corn, wheat, rice, oats, barley, coffee and other products. Its major application is for drying and warehousing facilities for grains, which use vertical circular silos, bulk warehouses and also other handling processes employed by agricultural properties, cooperatives, agro-industries and similar industrial facilities. It comprises an innovative replacement of plates of the “U” type currently used, which do not allow the reversing of the change of direction.

Abstract: A device is provided for detecting and adjusting the tension of the scraper chain. The device identifies broken chain as it leaves the return sprocket and enters the top race of the conveyor. When detected, the chain can be stopped automatically by the armored face conveyor control system, to avoid the potential for further damage, and warn the operators that repair of the chain is required. The device also provides a conveyor with sliding frames at both ends to allow the conveyor ends to be independently adjusted to each end of the coal block, whilst maintaining good chain tension and control.

Abstract: The invention relates to scrapers for link chains of in particular double center scraper chain conveyors, comprising a one-part scraper body with a head web connecting two lateral scraper wings and at least one insertion pocket for insertion of a horizontal chain link of the link chain and securing scraper by means of a detachable scraper-securing element. In order to improve the entrainment of scrapers connected to the horizontal chain links and to be able to use the scrapers even with novel link chains, grooves extend in insides of scraper wings and outsides of an intermediate web over the height of limb beds up to head web and form receivers for entrainment projections on the outer surfaces of limbs of horizontal chain links. The invention also relates to scraper-securing element.

Abstract: A rotary gatherer has drums for delivering printed sheet materials and a conveyor having a conveyor chain and a first pin and a second pin connected to the chain and defining a pocket for receiving the printed sheet materials from the drums. The first pin may include a first section movable horizontally and vertically along a predetermined path with respect to the conveyor chain when subjected to a vertical force. A conveyor, a pin and a related method also are disclosed.