Importance

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Abstract

A conveyor for bulk materials comprised of an endless cable to which a pllity of disk-shaped elements are fixed at equal spacing, a sprocket type drive wheel for driving the cable and affixed disks and a duct for receiving at least a portion of the driven cable and disks. The duct has a cross-sectional shape complementary to the disks and forms a track way along which the material may be transported. The disks have a trapezoidal cross-sectional configuration whereby they have a smaller modulus of elasticity in the plane of their faces than in the perpendicular direction for ready deflection of the periphery thereof for release of particles of material jammed between the disk and the duct. The sprocket drive wheel has a plurality of recesses for receiving the disks and intermediate bearing surfaces for guiding and engaging the cable. The radius of curvature of the bearing surfaces is smaller than the radius of the drive wheel for confining the area of bending of the cable to that portion which is positioned between and away from the disks. The bearing surfaces also have no grooves and the cable is retained on them by radially projecting elements provided at the sides of the bearing surfaces.

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First Claim