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} |
250 | DF | .~.~ Noncontacting, relatively movable parts connected by check {2} |
252 | .~.~.~ Connected parts reciprocate |