198 / | HD | CONVEYORS: POWER-DRIVEN |
618 | DF | CONVEYOR SECTION {26} |
620 | DF | .~ Load simultaneously engaged between and moved by a plurality of driven conveyor members {5} |
626.1 | .~.~ Opposed endless belts {2} | |
626.2 | DF | .~.~.~> Load is enclosed by belts {1} |
626.5 | DF | .~.~.~> Having adjustable belt portion {1} |