49 / | HD | MOVABLE OR REMOVABLE CLOSURES |
149 | DF | MOUNTED FOR OPTIONAL MOVEMENTS {12} |
176 | DF | .~ Pivot mounted on sliding member; e.g., slide-stile {5} |
183 | DF | .~.~ Key or latch between closure and stile slide {2} |
184 | DF | .~.~.~ Longitudinal key {1} |
185 | .~.~.~.~ Retractable edgewise towards closure |