194 / | HD | CHECK-ACTUATED CONTROL MECHANISMS |
293 | DF | INCLUDING NONCONTACTING, RELATIVELY MOVABLE PARTS CONNECTED BY CHECK {2} |
294 | DF | .~ And means to impart thrust to check to move part {2} |
295 | DF | .~.~ Having pivoted part {2} |
298 | .~.~.~ And linearly reciprocating part {1} | |
299 | DF | .~.~.~.~> Both parts spring biased |