| 49 / | HD | MOVABLE OR REMOVABLE CLOSURES |
| 208 | DF | MOUNTED FOR MULTIDIRECTIONAL OR OBLIQUE MOVEMENT {7} |
| 254 | ![]() | .~ Sequential translation and swinging {3} |
| 255 | DF | .~.~> Operated vertically to permit horizontal swinging {1} |
| 257 | DF | .~.~> Translation shifts pivot axis |
| 258 | DF | .~.~> Translates on pivoted axis {1} |