| 摘要 |
<p>The drive device has a lower carriage (2) arranged on lower chassis engine of an internal combustion engine. An upper carriage drive is driven by torque or power transmission unit by a drivable lower chassis engine. The torque or power transmission unit has a drive shaft, particularly a vertical shaft, and an angular gear. A clutch is provided, in the torque or power transmission unit, for coupling and uncoupling of the upper carriage drive.</p> |
