| 49 / | HD | MOVABLE OR REMOVABLE CLOSURES |
| 208 | DF | MOUNTED FOR MULTIDIRECTIONAL OR OBLIQUE MOVEMENT {7} |
| 246 | ![]() | .~ Swings on plural axes; e.g., pivotal link arms {4} |
| 247 | DF | .~.~> Axes normal to each other |
| 248 | DF | .~.~> Multiple links angularly related {1} |
| 250 | DF | .~.~> With additional slide guiding closure movement {2} |
| 253 | DF | .~.~> Link at closure balance point |