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 |