| 226 / | HD | ADVANCING MATERIAL OF INDETERMINATE LENGTH |
| 120 | DF | BY INTERMITTENT (INTERRUPTED) MATERIAL-MOVER {13} |
| 158 | DF | .~ Comprising reciprocating or oscillating material-mover {5} |
| 162 | ![]() | .~.~ With means to move grip element into material engagement {2} |
| 163 | DF | .~.~.~> Comprising link positively connected to element {1} |
| 165 | DF | .~.~.~> Comprising camlike surface {1} |