221 / | HD | ARTICLE DISPENSING |
92 | DF | PLURAL SOURCES, STACKS OR COMPARTMENTS {8} |
103 | DF | .~ Each entirely depleted in order {4} |
107 | DF | .~.~ Feeding from subsequent source or stack prevented by articles in discharge path {1} |
108 | .~.~.~ By article presence or absence responsive means {1} | |
109 | DF | .~.~.~.~> Progressive release of multiple gates for three or more sources or stacks |