198 / | HD | CONVEYORS: POWER-DRIVEN |
618 | DF | CONVEYOR SECTION {26} |
717 | DF | .~ Pusher conveyor and separate load support surface {7} |
725 | DF | .~.~ Endless-orbiting pusher or its load support {5} |
728 | DF | .~.~.~ Pusher connected to endless pusher-carrier {5} |
732 | .~.~.~.~ By pivot between pusher and carrier |