| 187 / | HD | ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE |
|
| 250 | DF | HAVING SPECIFIC LOAD SUPPORT DRIVE-MEANS OR ITS CONTROL {6} |
| 276 | DF | .~ Includes control for power source of drive-means {6} |
| 306 | DF | .~.~ Actuated by human operator engaging specific input part {2} |
| 307 | DF | .~.~.~ With means for locking input part of control against movement by operator {1} |
| 308 | DF | .~.~.~.~ Actuated by position or movement of access barrier or its position lock {1} |
| 309 |  | .~.~.~.~.~ Having barrier position lock operable only when load support or control input part safely positioned {1} |
| 310 | DF | .~.~.~.~.~.~> With common actuation of barrier position lock and input part locking means |