198 / | HD | CONVEYORS: POWER-DRIVEN |
463.1 | DF | CONVEYOR SYSTEM FOR MOVING A SPECIFIC LOAD AS A SEPARATE UNIT {9} |
468.01 | DF | .~ System includes an oscillating or reciprocating load engaging element {4} |
468.9 | DF | .~.~ Engaging element moves load horizontally in a straight line {2} |
468.1 | .~.~.~ Element pushes load over separate support and has nonlinear path of travel |