| 248 / | HD | SUPPORTS |
| 127 | DF | STAND {14} |
| 155 | ![]() | .~ Convertible to cane {4} |
| 155.1 | DF | .~.~> Handle becomes support surface |
| 155.2 | DF | .~.~> Radially hinged support arms {1} |
| 155.4 | DF | .~.~> Foldable or detachable longitudinal sections |
| 155.5 | DF | .~.~> Intermediately pivoted sections |