Abstract: An inversion apparatus uses a first pair of bend rollers to twist a conveyor belt 90.degree., and a second pair of bend rollers to twist the conveyor belt an additional 90.degree.. The two bend rollers of each pair are rotatably mounted at rotational axes which are perpendicular to each other. Preferably, stabilizer rollers are provided between the bend rollers of each pair, and cylindrical rollers are provided to feed the conveyor belt to and from the bend rollers. The stabilizer rollers and bend rollers are preferably curved so as to equalize the tension across the width of the belt.

Abstract: A mobile articulated conveyor apparatus includes a plurality of modular carriages pivotally interconnected to each other to enable relative articulated movement between adjacent carriages about upstanding pivot axes generally normal to the longitudinal axes of the carriages. Each carriage has a pair of drive wheels intermediate its length, and drive motors are carried by selected ones of the carriages to effect driving rotation of the drive wheels on each carriage. A belt guidance arrangement is interposed between the adjacent ends of each pair of pivotally interconnected carriages and cooperates with idler roller assemblies to guide an endless conveyor belt along the length of the conveyor apparatus. The belt guidance arrangements enable bending of the belt in generally horizontal planes upon relative articulated movement between the carriages while maintaining the belt in predetermined trained relation on the carriages.

Abstract: There is described an extensible belt take-up and storage device for use in an extensible belt conveyor system. The device overcomes the shortcomings of the prior art by being very compact and by having a configuration such that almost all the stored belt can be let out to the conveyor system. To accomplish this first and second sets of rollers are mounted on a fixed and on a movable frame respectively and the rollers are mounted parallel to each other and inclined at an acute angle to the horizontal axis of the device.

Abstract: Conveyor idler supports and spacing members are secured to a downwardly facing surface or framework, and adjusted laterally and vertically to facilitate accurate alignment of adjacent idlers in a series. Installation is facilitated, since accuracy in boring securing holes in the downwardly facing surface is less critical than with prior art conveyor support structures, in both the lateral and longitudinal directions. Also spacer assemblies are provided for accurately spacing adjacent idler supports.