A pressing device includes a pressing tool, an electric motor for driving the tool, and a rechargeable battery for supplying energy to the electric motor. A control device has a voltage comparison element that performs a voltage comparison between the battery voltage and a limit voltage. The control...http://www.google.fr/patents/US6369560?utm_source=gb-gplus-shareBrevet US6369560 - Handleable working device, in particular pressing device
Handleable working device, in particular pressing device
