194 / | HD | CHECK-ACTUATED CONTROL MECHANISMS |
247 | DF | INCLUDING PART LOCKED BY DETENT AND RELEASED BY CHECK {3} |
249 | DF | .~ And means to impart thrust to check to unlock part {4} |
253 | DF | .~.~ Pivoted detent {2} |
254 | DF | .~.~.~ And pivoted released part {2} |
255 | .~.~.~.~ Unidirectionally pivoted |