| 108 / | HD | HORIZONTALLY SUPPORTED PLANAR SURFACES |
| 59 | DF | PLURAL RELATED HORIZONTAL SURFACES {11} |
| 65 | DF | .~ Coplanar extension surface {4} |
| 69 | DF | .~.~ End leaf {4} |
| 71 | DF | .~.~.~ Elevating mechanism {2} |
| 73 | DF | .~.~.~.~ Cam and slide {2} |
| 75 | ![]() | .~.~.~.~.~ Cam slot |