| 摘要 |
<p>Raising device comprising a lifting device and a carrying strap. The carrying strap has two or more ends which have to be connected to the lifting device. To ensure safe operation, it is proposed according to the invention for lifting or lowering to be possible only if the connection between carrying strap and lifting device is perfect. This is monitored with the aid of sensor means which are connected to a control unit for the lifting device. If appropriate, it is possible for these sensor means only to become active after a defined load on the carrying strap has been exceeded, so that in the unloaded condition it is not necessary for the connection between carrying strap and lifting device to be perfect.</p> |
