198 / | HD | CONVEYORS: POWER-DRIVEN |
339.1 | DF | WITH MEANS TO FACILITATE WORKING, TREATING, OR INSPECTING CONVEYED LOAD AT A STATION {8} |
343.1 | DF | .~ Load supporting conveyor portion is retarded or stopped with load at station without being disconnected from remainder of continuously moving conveyor {1} |
343.2 | .~.~ Load supporting conveyor portion is movably secured to conveyor drive |