194 / | HD | CHECK-ACTUATED CONTROL MECHANISMS |
229 | DF | CONTROL MECHANISM RESPONSIVE TO PLURALITY OF CHECKS {3} |
232 | DF | .~ Including part locked by detent and released by check {2} |
234 | .~.~ And means to impart thrust to check to unlock part {1} | |
235 | DF | .~.~.~> Pivoted detent {1} |