49 / | HD | MOVABLE OR REMOVABLE CLOSURES |
208 | DF | MOUNTED FOR MULTIDIRECTIONAL OR OBLIQUE MOVEMENT {7} |
209 | DF | .~ Initial or terminal movement transverse to sliding movement edgewise of portal {6} |
216 | .~.~ Moves transversely on link {2} | |
217 | DF | .~.~.~> Closure pivoted to tilting link-carriage |
218 | DF | .~.~.~> Crank arm-type link {1} |