| 248 / | HD | SUPPORTS |
| 121 | DF | STAND AND BRACKET {2} |
| 122.1 | DF | .~ Having adjustable bracket {4} |
| 125.1 | ![]() | .~.~ Vertically {2} |
| 125.2 | DF | .~.~.~> Bracket moved by mechanical operator (e.g., spring, threaded shaft, pulley and rope) |
| 125.3 | DF | .~.~.~> In fixed increments |