| 摘要 |
Hand truck with a frame provided with a substantially vertical guide, two wheels which are situated near the bottom side of the guide and which are rotatable about a transverse shaft, a handle which is situated near the upper side of the guide, a lifting device comprising a lifting element which is displaceable along the guide and a lifting drive which is connected to the lifting element for displacing the lifting element, a motor for driving the wheels and a brake cooperating with the wheels for blocking the rotation of the wheels, in which a control device is provided which can be operated via the handle for switching the lifting drive and the motor on and off, characterized in that, in a lower driving position of the lifting element, the brake is released and, when the lifting element is moved from the lower driving position to a lifting position, the brake is engaged, in which case the wheels can be driven via the motor at a positioning speed. |
