| 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} |
| 282 | DF | .~.~ Having means to hold check in contact with detent {1} |
| 283 | | .~.~.~ One piece detent {1} |
| 284 | DF | .~.~.~.~> Biased by spring |