226 / | HD | ADVANCING MATERIAL OF INDETERMINATE LENGTH |
120 | DF | BY INTERMITTENT (INTERRUPTED) MATERIAL-MOVER {13} |
158 | .~ Comprising reciprocating or oscillating material-mover {5} | |
159 | DF | .~.~> With means to retard movement of advancer carrier |
160 | DF | .~.~> On pivoted carrier |
161 | DF | .~.~> With means to disable material-mover |
162 | DF | .~.~> With means to move grip element into material engagement {2} |
167 | DF | .~.~> With spring-biased grip element |