49 / | HD | MOVABLE OR REMOVABLE CLOSURES |
197 | DF | UP-AND-OVER TYPE; E.G., MOVES FROM VERTICAL TO WITHDRAWN HORIZONTAL OVERHEAD POSITION {4} |
203 | DF | .~ On lever or link {1} |
204 | .~.~ Pivoted at closure {2} | |
205 | DF | .~.~.~> Multiple links angularly related |
206 | DF | .~.~.~> Actuating spring codirectional with or acts on links |