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 | DF | .~.~ Opposed endless belts {2} |
626.2 | .~.~.~ Load is enclosed by belts {1} | |
626.3 | DF | .~.~.~.~> Having means to adjust one belt relative to the opposed belt {1} |