Abstract: An impact liner for providing a renewable impact surface for granular materials at the input or output end of a conveyer or along a screen deck. The impact liner is of molded elastomeric material and includes a base plate having a plurality of walls upstanding therefrom and integrally molded therewith to define a plurality of pockets opening outwardly for accumulating at least some of the granular material to define a renewable wear surface.

Abstract: A low-profile tensioner for a conveyor belt scraper that utilizes an elastomeric collar having a force storing means in the form of a series of spokes, wherein the elastomeric collar is tensioned and then connected to the rotatable shaft of the conveyor belt scraper assembly to bias the scraper against the surface of the conveyor belt while providing adequate space around the tensioner to allow for the easy adjustment or maintenance of the tensioner.

Abstract: An impact liner for an impact surface in a chute of a conveyor or on a screen deck in a granule classification machine, the conveyor bearing granular coal, aggregate, or other granular material which is within a given granule size range. The chute has at least one impact surface against which the granular material impacts when the material is input to or discharged from the conveyor; usually, there are plural impact surfaces in the chute. The chute or impact liner includes a base plate of molded elastomer conforming to and mounted on the impact surface of the chute or on a screen deck. A multiplicity of elastomer knobs are molded integrally with the base plate and project toward the interior of the chute when the liner is mounted on the chute impact surface.

Abstract: A chute liner for an impact surface in a chute of a conveyor bearing granular coal, aggregate, or other granular material which is within a given granule size range. The chute has at least one impact surface against which the granular material impacts when the material is input to or discharged from the conveyor; usually, there are plural impact surfaces in the chute. The chute liner includes a base plate of molded elastomer conforming to and mounted on the impact surface of the chute. A multiplicity of elastomer knobs are molded integrally with the base plate and project toward the interior of the chute when the liner is mounted on the chute impact surface. The knobs are of truncated conical configuration and are effectively spaced from each other by distances greater than the size of the smaller granules of the granular material, so that granular material accumulates between the knobs to afford a renewable wear surface within the chute.

Abstract: An input station for a wide continuous conveyor belt that moves in a conveyor run through an input station to a discharge location, around a head pulley, through a return run around a tail pulley, and back into the input station. At the input station the belt rides on a plurality of N conventional central support rollers each mounted between two inner stanchions. A plurality of at least 2N elongated, flat, stationary slider rails support each extreme outer edge of the conveyor belt through the input station. There are 2N troughing rolls, one at each end of each central roller, between the slider rails and the central rollers. 2N fixed inner stanchions support each central roller and one end of each of its troughing rollers. 2N fixed medial support members each support one end of a troughing roller. The slider rails are supported by the medial support members and by 2N outer stanchions.

Abstract: A conveyor belt cleaner for cleaning one surface of a conveyor belt of length L and transverse width W includes a cleaner blade formed as an elongated strip of flexible elastomer, usually rubber or urethane. The blade, preferably of constant thickness, has a width much smaller than L and a length greater than W. The blade extends across the conveyor belt and has fasteners at its opposite ends. A tensioner, connected to one of the blade fasteners, applies a longitudinal tensioning force to the cleaner blade to maintain the cleaner blade in contact with the surface of the conveyor belt. In the preferred construction two tensioners are used, at opposite ends of the cleaner blade.

Abstract: An input station for a belt conveyor of the kind including a continuous conveyor belt that moves in a conveyor run through an input station to a discharge location, around a head pulley, and in a return run around a tail pulley back to the input station and the conveyor run. At the input station the conventional center support rollers are retained but the support rollers along the sides of the belt are replaced by a plurality of elongated, stationary, flat support members that support the sides of the conveyor belt throughout the input station, improving the seal to input station skirtboards and materially reducing or eliminating input leakage while maintaining roller support and flexibility in the center of the belt, with minimal friction increase.