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 .