198 / | HD | CONVEYORS: POWER-DRIVEN |
618 | DF | CONVEYOR SECTION {26} |
688.1 | DF | .~ Having means to enhance the friction or adherence between the conveyor and load at random locations on conveyor {8} |
698 | DF | .~.~ Load-engaging belt having load-impelling, projecting cross members (e.g., slat, etc.) joined thereto by mechanical fastening means {1} |
699 | .~.~.~ Belt formed of a continuous member of flexible sheet-type material (e.g., canvas, etc.) |