| 49 / | HD | MOVABLE OR REMOVABLE CLOSURES |
| 404 | DF | WITH MEANS MOUNTING CLOSURE FOR RECIPROCATION {16} |
| 428 | DF | .~ Diverse or springy material guide or slide {4} |
| 436 | DF | .~.~ Bearing includes transverse restrainer {3} |
| 440 | DF | .~.~.~ Channel guide {1} |
| 441 | | .~.~.~.~ Converging sides or ends |