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 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 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 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 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 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 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 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 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 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 base member and bit holder assembly for replaceably mounting a bit on a mining machine, road working machine or earth moving machine. The bit is of the type having a shank terminating in at least one working end. The bit holder has a shank receiving perforation therein to receive the shank of the bit. A bit retainer releasably retains the bit shank in the bit holder shank receiving perforation. Cooperating abutment surfaces on the bit holder and bit determine the depth to which the bit shank extends into the shank receiving perforation of the bit holder. The bit holder has a tapered shank portion, and the base member has a correspondingly tapered cavity extending therethrough. The angularity of the tapers of the bit holder shank and base member cavity are the same, falling within the range of from about 6.degree. to about 12.degree. and are such that once the bit holder shank has been set in the base member cavity it will remain there until removed by an appropriate tool.

Abstract: An improved pusher-type chain for a conveyor of the type comprising an elongated base means having a bottom and upstanding side guides or flanges. The base means may be made up of two or more sections joined together end-to-end in such manner as to permit them to be shifted with respect to each other from side-to-side horizontally and vertically upwardly and downwardly about the juncture. The pusher-type 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 and between the side guides or flanges in a conveying direction so as to advance therealong the material being conveyed. The chain comprises a plurality of pusher elements normally extending substantially transversely of the conveying direction. Adjacent pusher elements are joined together by a series of block-like links and pairs of plate-like links arranged alternately and joined together and to the pusher elements by pintle means permitting vertical articulation.

Abstract: An endless chain in which there is one row of a plurality of Y-shaped link elements across the width of the chain and an adjacent row of similar elements, the spaced parallel legs of the Ys of one row having the centrally located stem of a Y-shaped link element in an adjacent row interdigitated therewith, the legs and stem being provided with aligned openings which receive a connecting pin. This arrangement is continued along the length of the chain to whatever extent is desired. Any desired widths may be obtained by adding Y-shaped link elements to the rows thereof. Bit carrying lugs are mounted on the Y-shaped link elements so as to establish any bit pattern desired. Some of these bit carrying lugs may be skewed with respect to the direction of chain travel so as to make the chain more efficient. Such link elements may also be provided with load bearing lugs at one or more of the their sides so as to give increased support for the chain.

Abstract: An endless chain in which there is one row of a plurality of H-shaped link elements across the width of the chain and an adjacent row of similar elements, the legs of the Hs of adjacent rows being interdigitated and provided with aligned openings which receive a connecting pin. This arrangement is continued along the length of the chain to whatever extent is desired. Bit carrying lugs are mounted on the H-shaped link elements so as to establish any bit pattern desired. The H-shaped link elements may be provided with bit carrying lugs that are skewed with respect to the direction of chain travel so as to make the chain more efficient. Such link elements may also be provided with load bearing lugs at their sides so as to give increased support for the chain.

Abstract: The combined base member and bit holder with protected retainer which comprises this invention includes a bit holder adapted to receive the shank of a suitable cutting bit. The bit holder has a head which permits movement of the bit holder within the base member so as to expose means to receive a retaining member while that portion of the bit holder protrudes beyond the base member. The base member is provided with an opening or recess to receive the retainer so as to prevent accidental dislodgement. After installation of the retainer the bit holder is moved within the base member so as to engage the retainer at least partly in the recess provided in the base member for it, whereafter a spacer is driven between the head of the bit holder and body of the base member to hold the bit holder in place. A boss may be provided on the base member to prevent undue movement of the spacer.

Abstract: A core eliminator for mining, road working or earth moving machinery in which a bit carrying mounting means is movably secured to a driven element. Means are associated with the driven element and the movable mounting means so as to guide said mounting means at one time into the path of what would otherwise be a core formation, and to guide such mounting means at another time to an out of the way position so that the mounting means may clear the machinery involved. Such means may include resilient, cam, pneumatic, hydraulic, electronic or electric arrangements.In one form of the invention the mounting means is slidably mounted in ways provided in the driven element and urged by resilient means into contact with a cam which extends across a machine member located at one side of the driven element and to which the driven element is secured. In a modification of the invention the slidable mounting means rides on the cam instead of against it.

Abstract: A wedge arrangement for affixing a tool mounting means onto a base member in such manner that substantially no wear occurs between the mounting means and base member. The mounting means has a tapered portion which is wedgingly received within a correspondingly tapered cavity provided in the base member, and that part of the base member which defines the tapered cavity completely surrounds that part of the tapered portion which is seated therein. The mounting means is also provided with a perforation or socket to receive the shank or body portion of a cutting element which has a relatively sharp cutting point or edge provided thereon.

Abstract: A cutter bit mounting lug, a base member for mounting the lug to the driven element of a mining machine or the like and retaining means to prevent undesired disengagement of the lug from its base member. The lug and base member are so configured as to have a wedging engagement therebetween. The retaining means is separate from the lug and is so positioned with respect thereto as to be installable after the mounting of the lug on its base member and so as to be free of the resultant cutting forces sustained by the lug and the base member.

Abstract: An endless self-laying tread or track such as used on self-propelled mining machines and the like, the tread or track being comprised of a plurality of articulated crawler pads configured so as not only to effect good ground engagement but also to assist in preventing the tread or track from becoming clogged. A plurality of the crawler pads are arranged in interdigitated relationship and connected by elongated pins. As so connected open ended spaces are provided at either side of the tread for engagement by the teeth of a driving sprocket. By this arrangement such teeth may be wider and thicker. The space occupied by such a sprocket tooth, being open ended, greatly facilitates the dispersement of any accumulated packing between the tooth and the crawler pads in a sideways direction. One or more pins or pintles are used to connect each adjacent pair of interdigitated pads.

Abstract: A wedge arrangement for removably affixing a work tool or work tool holder to a base member on mining, road working or earth moving machinery, and the like, and being particularly useful in the mining, road planing and earth digging areas. The arrangement is such that the removable member may be readily replaced and wear and tear on the base member greatly reduced to the extent that such base member will not be destroyed or otherwise rendered useless; such base member may be a part which is permanently secured to the basic machine or it may in fact be the machine itself or some integral part thereof. The base member is preferably provided with a slot of a size sufficient to receive both the removable member and a wedge element; such member and element may be placed within the slot from above thereof, lateral entry of the removable member and wedge element into the slot often being unnecessary.