Abstract: The invention relates to a grain conveyor chain for a harvesting vehicle having a chain made of standard chain elements, wherein the standard chain elements comprise inner plates, outer plates, pins and/or sleeves, and a plurality of scoops, wherein the scoops are fastened on the chain and wherein the chain has chain links, which are partially back-rigid, and to a method for operating the grain conveyor chain according to the invention in a harvesting vehicle.

Abstract: In some aspects, a conveyor chain includes a first link, a second link, and a coupler link coupled between the first link and the second link. The first link includes a first portion and a second portion, the second portion oriented parallel to and laterally spaced apart from the first portion. The first portion includes a first sprocket-engaging pin protruding laterally, and the second portion includes a second sprocket-engaging pin protruding laterally. The second link includes a first portion and a second portion. The first portion includes a first sprocket-engaging portion protruding laterally, and the second portion includes a second sprocket-engaging portion protruding laterally. A flight bar is positioned adjacent an end of the first sprocket-engaging portion of the first link.

Abstract: A conveyor system includes a plurality of crawler members, a frame supported via the crawler members, a skid pad moveable relative to the frame to raise and lower the frame relative to a ground surface, and an intake structure supported by the frame. The intake structure includes a first conveyor. The conveyor system further includes a discharge boom supported by the frame. The discharge boom includes a second conveyor.

Abstract: A slat for use within a material moving system of an agricultural combine may include a connector web extending in a lengthwise direction of the slat between a first end and a second end and in a widthwise direction of the slat between a front side and a rear side of the slat. The connector web may also define an outer surface and an inner surface. The slat may also include a front wall extending outwardly from the outer surface of the connector web along the front side of the slat and a rear wall extending outwardly from the outer surface of the connector web along the rear side of the slat. Additionally, the slat may include one or more additional features for increasing the structural integrity of the slat and/or for enhancing the crop grabbing/gripping capabilities of the slat.

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 present invention is directed to a conveyor belt link and a sprocket driven conveyor belt comprising the same. In particular, it relates to a conveyor belt link with coupling mechanism that provides a conveyor belt surface that can reduce product marking, minimizes costs, and simplifies manufacturing and assembly of a conveyor belt comprising the same.

Abstract: Improved L-shaped bracket member of a pair of oppositely disposed back-to-back mirror image bracket members configuring when mounted, an improved replacement link chain for repair of a disconnected chain link drive mechanism, including a base flange mountable by bolt fastener to a substrate member carrying the chain link mechanism, and a perpendicularly depending side flange being of generally flat thickness dimension to define improved uniform gap opening between a pair of oppositely mounted side flanges of the pair of bracket members, and having an aperture extending through the thickness dimension of the side flange positioned with the aperture opening thereof disposed in at least tangential interference with the rotational radius of the bolt fastener to enable the rotating bolt to extend into the aperture opening to remove striking of the bolt with the adjacently disposed side flange when mounting or dismounting the base flange of the improved bracket member.

Abstract: A conveyor belt comprised of a plurality of rigid, elongated bars arranged in parallel, spaced relation. The ends of each bar are connected to parallel, lateral belts, to support the bars and maintain their registration. Each bar has a plurality of elements, extending from either side of the bar. Elements on one side of a bar arranged in interdigitized relation with respect to adjacent elements extending from an adjacent bar. Rollers are provided within of the arcuate ends of the lateral belts, with at least one roller being driven. The rollers may be smooth or toothed, to engage the undersides of the lateral belts. The belt may be endless, or assembled from one or more belt segments. Two or more belts may be combined laterally, to increase the width of the conveyor belt.

Abstract: The present disclosure relates to a scraper for chain scraper conveyors, particularly twin chain scraper conveyors. The scraper may comprise a one-piece scraper bridge including two side scraper wings connected by a head web, a retaining bracket insertable from an underneath side of the scraper bridge into an insert recess, and a locking device. The retaining bracket may be insertable for detachably locking the scraper on a chain link of a scraper chain. The retaining bracket may engage with grooves on either side of the insert recess in an assembled state. The scraper may further include a locking device for securing the assembly state of the retaining bracket in the insert recess, wherein the retaining bracket may be displaceable in the associated insert recess parallel to the head web on one of the scraper wings into a locking position and having at least one retaining cam.

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: 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: A conveying system employs independently controlled flights. The flights are controlled separately from a conveying surface. The conveying system includes a dynamic gapping conveyor for spacing conveyed objects in a selected manner. The dynamic gapping conveyor uses flexible flights independently driven by drivers to control the spacing between conveyed objects. The independent drivers allow the position of the flights to be controlled based on the length of a conveyed object.

Abstract: The present disclosure relates to a scraper for chain scraper conveyors, particularly twin chain scraper conveyors. The scraper may comprise a one-piece scraper bridge including two side scraper wings connected by a head web, a retaining bracket insertable from an underneath side of the scraper bridge into an insert recess, and a locking device. The retaining bracket may be insertable for detachably locking the scraper on a chain link of a scraper chain. The retaining bracket may engage with grooves on either side of the insert recess in an assembled state. The scraper may further include a locking device for securing the assembly state of the retaining bracket in the insert recess, wherein the retaining bracket may be displaceable in the associated insert recess parallel to the head web on one of the scraper wings into a locking position and having at least one retaining cam.

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 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: 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 chain driven by two sprockets spaced a short distance apart along their common axial centerline. The chain includes elongated pins that extend beyond the outer surfaces of the chain link plates, on both sides, by a distance about equal to the width of the spaced apart sprockets. The chain is aligned midway between the sprockets, and the sprocket teeth drive on the extended portion of the chain pins. Where a flight is attached to the chain links, the pins are extended still further, to fit into the indentations or holes in the flights. This provides an exposed length of each pin in alignment with the sprocket on each side for driving purposes. The chain has a piece extending between the plates to reduce the likelihood of a pin extending further outside of one side plate or the other. A shoulder on the pin further reduces the likelihood of this happening.

Abstract: A version of a conveyor chain that comprises: a plurality of side link assemblies, each said side link assembly comprising: two connecting pins and two side straps, wherein each side strap has a base and two side strap bosses extending from the base and wherein each side strap boss is capable of receiving one of said connecting pins; a plurality of connector assemblies; a plurality of flight arm assemblies, each said flight arm assembly comprising: two flight pins and two flight arms, wherein each flight arm has an elongated portion having a flat, planar bottom surface, and a base portion, wherein said base portion has a vertical sprocket opening and two flight arm attachment apertures, each flight arm attachment aperture configured to receive one of said flight pins; wherein each universal connector assembly is adapted to be connected to a side link assembly and a flight arm assembly, to form an endless chain.

Abstract: A bottle pushing mechanism for a tunnel type sterilizing dryer, includes a bottle pushing block (2) and at least one barb (5) cooperated with meshes of a transmitting mesh belt (1). The barb (5) is connected with the bottle pushing block (2). The bottle pushing block (2) could move along with the transmitting mesh belt (1) by the barb (5). The bottle pushing mechanism has a simple and compact structure, convenient installation, high reliability, good transmitting effect and no pollution.

Abstract: A drag conveyor system having a tube and a traction element extending through tube is provided. A plurality of slugs are connected to the traction element, each of the slugs including a slug flange. A disk is removably attached to each of the slugs, with the disk including first and second disk parts that are adapted to be placed around the cable and are engagable with one another and/or the slug so that each of the disks is located on the respective one of the slugs. A snap clip is engaged to each of the slugs, with the snap clip including a flange located on an opposite side of the disk from the slug flange that, together with the slug flange, maintains the first and second disk parts together and engaged with the slug in a fixed position on the slug.

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 combination slider block and pusher lug for mounting on a base plate mounted on a transfer chain includes a flanged channel having a latch and a base plate receiving cavity for snugly fitting over the base plate. A pair of flanges extend inwardly in opposed facing relation over the cavity from the sides of the channel so as to define a slot sized to receive the mount such as the weld between the base plate and the chain. The web of the flanged channel has a lug mounted orthogonally thereto. The cavity has an opening at one end, sized to receive the base plate therethrough. An opposite end of the cavity includes a stop to arrest sliding translation of the base plate through and along the cavity. The latch is mounted adjacent the opening. The latch operates to selectively lock the base plate in the cavity.

Abstract: The object of the invention is a unit for conveying filter segments (2) for the machines of tobacco industry, comprising a chain conveyor (10) in a horizontal arrangement on which the lugs (21) are disposed, the working ends (28) of which are deflected from the vertical. The unit comprises guides (23, 33) of the filter segments (2) provided with an inclined channel (27) guiding the lug (21).

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: An inclined conveyor for a combine comprising at least two endlessly wound toothed belts that extend parallel to one another and are made of cross-linked polymer reinforced with woven fabric plies. The toothed belts are connected together by coupling strips, and the toothed belts are provided with securement mechanisms for the coupling strips.

Abstract: A conveyor chain and system includes a conveyor chain having of side link assemblies and flight arm assemblies to form an elongated chain. The flight arm assemblies include an opposing flight arm that has an elongated body and an integral base formed with the body. A vertical sprocket opening is formed in the integral base and extends vertically through the integral base to engage a tooth of a drive sprocket to drive the flight arm. The side link assemblies include opposing side straps that include a base and a pair of side strap bosses extending outwardly from the base. The side strap bosses engage a tooth of a drive sprocket to drive the side strap. A driving member includes a pair of sprockets to engage the link and flight arm assemblies from both sides of the chain. An alternative embodiment incorporates a third sprocket located between the other sprockets.

Abstract: A conveyor chain includes a plurality of chain links connected together in a chain, each including a pair of forward arms having a space therebetween and a rearward arm extending in a rearward direction. The forward arms of one link are configured to receive the rearward arm of an adjacent link to form a continuous chain. The rearward arm of each link extends a distance from the forward arms so that when adjacent links are coupled together, an engagement space is created between the forward arms of the links. The engagement space is configured to receive portions of sprockets that would engage the forward arms of the link for driving the chain.

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 chain driven by two sprockets spaced a short distance apart along their common axial centerline. The chain includes elongated pins that extend beyond the outer surfaces of the chain link plates, on both sides, by a distance about equal to the width of the spaced apart sprockets. The chain is aligned midway between the sprockets, and the sprocket teeth drive on the extended portion of the chain pins. Where a flight is attached to the chain links, the pins are extended still further, to fit into the indentations or holes in the flights. This provides an exposed length of each pin in alignment with the sprocket on each side for driving purposes. The chain has a piece extending between the plates to reduce the likelihood of a pin extending further outside of one side plate or the other. A shoulder on the pin further reduces the likelihood of this happening.

Abstract: An apparatus for extending the wear life of flight bars used in chain-driven scraper conveyor systems by using a replaceable bar end. The bar end is securely attached to the flight bar body by a tongue protruding through an aperture in the bar end and interlocking with the clamp that secures the flight bar to the drive chain, without the use of additional fasteners. The replaceable bar end may be made from a different material than the body of the flight bar. Therefore, a wear resistant material could be used for the bar end, with the bar body and clamp made from conventional, typically more ductile materials. This invention therefore allows for the flight bar end to be replaced as required saving the cost of the main flight bar body and clamp.

Abstract: A conveyor chain includes a plurality of chain links connected together in a chain, each including a pair of forward arms having a space therebetween and a rearward arm extending in a rearward direction. The forward arms of one link are configured to receive the rearward arm of an adjacent link to form a continuous chain. The rearward arm of each link extends a distance from the forward arms so that when adjacent links are coupled together, an engagement space is created between the forward arms of the links. The engagement space is configured to receive portions of sprockets that would engage the forward arms of the link for driving the chain.

Abstract: A conveying device for conveying and aligning flat products or stacks of flat products, in particular printed products, includes leading pins for stop on a leading edge of conveyed products and trailing pins or pushers for stop on a trailing edge of the conveyed products. The products are insertable between the leading and trailing pins and are thus aligned by the pins. A distance between successive pushers is adjustable without parts of the device having to be exchanged.

Abstract: A chain for a conveyor comprising an elongated base means (8, 9) having a bottom and upstanding side guides or flanges (11, 12) is provided. The chain is a continuous chain adapted to be driven so that one of its spans moves longitudinally along the upper surface of the base means bottom (10) and between side guides or flanges in a conveying direction so as to advance the material being conveyed. The chain comprises a plurality of Y-shaped connector links (20) and a plurality of flight arms connecting links (34) having arms attached thereto and normally extending substantially transversely of the conveying direction. Adjacent elements (41) are joined together by a series of bearing and retaining pins (30, 31) so as to permit vertical and horizontal articulation. The flight arms are attached to the flight arm connecting links (34) independently of the main bearing pins (30) that hold the various links of the chain together.

Abstract: A lug chain apparatus having lugs (22), an endless chain (30) and a positioning mechanism (20). The lugs (22) are releasably engageable with the chain (30). The positioning wheel (20) engages the lugs (22) and moves them along the chain (30), to predetermined locations along the chain respectively. Each lug (22) includes locking mechanism (24, 26, 31) that holds that lug (22) in a predetermined location along the chain (30) when in a locking state, and allows movement of that lug (22) along said chain (30) when in a releasing state, such that repositioning of the lugs (22) along the chain (30) is effected without removal of the lugs (22) from the chain (30).

Abstract: A method of attaching a pawl to a region of a surface of a conveyor belt comprising pre-stressing the surface region and fixing the pawl to the surface region while it is in the pre-stressed state.

Abstract: A floating caterpillar feeder is used for moving a workpiece on a worktable. The feeder includes a housing unit having a bottom edge, a driving unit including two pairs of sprockets and two chains respectively trained on the pairs of the sprockets, and a plurality of feeding units connected between the chains. Each feeding unit includes two mounting members connected respectively and fixedly to two corresponding links of the chains, parallel horizontal inner and outer rods connected fixedly between the mounting members, parallel pushing plates sleeved on the inner and outer rods, and resilient members for biasing the pushing plates to project from the bottom edge. Each pushing plate has a pair of inner and outer holes engaging respectively and movably the inner and outer rods so as to allow the corresponding pushing plate to move relative to the inner and outer rods in an inner-to-outer direction.

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: 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: Processes are disclosed for the coating of objects with a coating composition. The processes include positioning the objects on a continuous belt comprising a supporting member positioned to retain the object thereon, conveying the continuous belt with a drive member such that the continuous belt passes through both a coating unit and a drying unit, coating the objects on the continuous belt with the coating composition, and drying the objects on the continuous belt.

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.

Abstract: A version of a conveyor chain that comprises: a plurality of side link assemblies, each said side link assembly comprising: two connecting pins and two side straps, wherein each side strap has a base and two side strap bosses extending from the base and wherein each side strap boss is capable of receiving one of said connecting pins; a plurality of connector assemblies; a plurality of flight arm assemblies, each said flight arm assembly comprising: two flight pins and two flight arms, wherein each flight arm has an elongated portion having a flat, planar bottom surface, and a base portion, wherein said base portion has a vertical sprocket opening and two flight arm attachment apertures, each flight arm attachment aperture configured to receive one of said flight pins; wherein each universal connector assembly is adapted to be connected to a side link assembly and a flight arm assembly, to form an endless chain.

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 lug chain apparatus having lugs (22), an endless chain (30) and a positioning mechanism (20). The lugs (22) are releasably engageable with the chain (30). The positioning wheel (20) engages the lugs (22) and moves them along the chain (30), to predetermined locations along the chain respectively. Each lug (22) includes locking mechanism (24, 26, 31) that holds that lug (22) in a predetermined location along the chain (30) when in a locking state, and allows movement of that lug (22) along said chain (30) when in a releasing state, such that repositioning of the lugs (22) along the chain (30) is effected without removal of the lugs (22) from the chain (30).

Abstract: A chain driven by two sprockets spaced a short distance apart along their common axial centerline. The chain includes elongated pins that extend beyond the outer surfaces of the chain link plates, on both sides, by a distance about equal to the width of the spaced apart sprockets. The chain is aligned midway between the sprockets, and the sprocket teeth drive on the extended portion of the chain pins. Where a flight is attached to the chain links, the pins are extended still further, to fit into the indentations or holes in the flights. This provides an exposed length of each pin in alignment with the sprocket on each side for driving purposes. The chain has a piece extending between the plates to reduce the likelihood of a pin extending further outside of one side plate or the other. A shoulder on the pin further reduces the likelihood of this happening.

Abstract: A machine for intended use in feeding and completing a partially formed carton is disclosed. In one embodiment, the machine includes an overhead conveyor with selectively actuated, depending lugs that engage and convey the carton in a first direction while a first flap on a lid is folded and sealed. The lugs on each conveyor may be closely spaced or overlapping to allow for selective actuation at a desired instant without the need for timing the corresponding chain or the carton feed to the machine. A diverter located at a transition between the forward and return runs of the overhead and takeaway conveyors actuates the lugs in a controlled fashion. Related methods of feeding and forming cartons are also disclosed.

Abstract: A locking mechanism is provided for releasably securing a grouper lug to a conveyor plate in a packaging machine conveyor belt assembly. The locking mechanism includes a cantilever arm that is disposed in a base wall of the grouper lug which defines a locking surface. The cantilever arm is defined by a channel that is formed in the base wall. A detent is disposed at the distal end of the cantilever arm and protrudes from the locking surface. An elongated key is integral to the base wall of the grouper lug and can be slidably received by a groove that is integral to the conveyor plate. The conveyor plate includes an aperture or depression that receives the detent to releasably secure the grouper lug to the conveyor plate.

Abstract: A metal chain link designed to form a chain conveyor includes a pair of parallel plates connected by a pair of articulated joint cross pins with adjacent links of the chain and said plates being overlain by a cover forming the carrying surface of the link designed to snap-engage on opposite ends of the pins projecting laterally with respect to said link plates with the cover including first generically U-shaped metal part designed to embrace said plates and bearing holes for snap coupling with the ends of said pins on opposite sides of the link and a second generically U-shaped metal part overlying the first to define lateral link guide surfaces and an upper plate overlying the two U-shaped parts to form the carrying surface of the link. Said upper plate is provided with a cavity on the lower side to receive upper parts of the U-shaped parts overlying the chain plates.

Abstract: A pusher for scraper chain conveyors comprising an upper and lower member, the two members being connectable by bolted connections. Each member of the pusher featuring one part of one or more chain beds through which a flat jointing plane runs, as well as one part of the recesses provided for the bolts of the bolted connections and located to the outside of the chain bed. The upper and lower member embracing each other at least partially, and the upper member being configured as a bow-like bridge element that wraps over both ends of the lower member from above. The two ends of the bridge-like upper member being of cuneiform shape and having upper and lower guide surfaces sloping towards each other in V-formation, and the upper and lower member engaging each other at each end by nose-like centering projections on the upper or lower member, the projections engaging complementary recesses in the contact surfaces of the lower or upper member.

Abstract: The forged chain link and flight assembly and method of making same provide for use of a hollow sleeve for engaging link ends together and engaging flights to the link through engagement of a suitable connector through the flights and the sleeve to make the flights easily replaceable. As an alternative embodiment a solid sleeve incorporating threaded ends is also proposed for use in engaging flights to a forged chain link.

Abstract: A steel conveyor chain link having a polymeric flight is produced by obtaining a flightless steel conveyor chain link, obtaining a threaded stud, obtaining a polymeric flight having a mounting base, positioning the threaded stud against the link in a latitudinal orientation, welding the threaded stud onto the link, and fastening mounting base of the polymeric flight onto the stud.