198 / | HD | CONVEYORS: POWER-DRIVEN |
|
570 | DF | CONVEYING SYSTEM HAVING PLURAL POWER-DRIVEN CONVEYING SECTIONS {18} |
602 | | .~ Forming a single conveying path {6} |
603 | DF | .~.~> Superposed sections forming an ascending or descending zigzag conveying path |
604 | DF | .~.~> Load simultaneously engaged between and moved by coacting conveyors {1} |
606 | DF | .~.~> Plural sections each formed of or including a closed flexible loop {1} |
608 | DF | .~.~> Plural rotating sections |
609 | DF | .~.~> Plural vibratory sections |
610 | DF | .~.~> Diverse sections {1} |