| 194 / | HD | CHECK-ACTUATED CONTROL MECHANISMS |
| 247 | DF | INCLUDING PART LOCKED BY DETENT AND RELEASED BY CHECK {3} |
| 260 | DF | .~ Weight of check unlocks part {5} |
| 261 | | .~.~ Pivoted released part {3} |
| 262 | DF | .~.~.~> Unidirectionally pivoted {4} |
| 277 | DF | .~.~.~> Having means to hold check in contact with detent |
| 278 | DF | .~.~.~> Having motor for driving released part {2} |