| 160 / | HD | FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL |
| 130 | DF | PLURAL STRIP, SLAT, OR PANEL TYPE {11} |
| 136 | DF | .~ Parallelogram type {6} |
| 152 | DF | .~.~ With means to hold unit in partially collapsed or collapsed position {3} |
| 156 | | .~.~.~ Tension members {2} |
| 157 | DF | .~.~.~.~> Flexible member foreshortened at end |
| 158 | DF | .~.~.~.~> Friction catch |