Patent ID: 11911639
Assignee: LUKAS HYDRAULIK GMBH
Field: Machine tools (Mechanical engineering)
Classification: CPC A  B | IPC A  B

Claim 0:
1. Portable tool, such as a spreading device, cutting device, or combined device having cutting and spreading function, for portable use with
a housing,
an electric motor located in the housing,
an energy supply comprising:
a rechargeable battery disposed on the tool, or a connection to connect to an external electrical energy source,
a mechanically or hydraulically driven, displaceable piston rod for carrying out spreading work or cutting work or lifting or pushing work,
an open-loop and closed-loop control unit for open-loop or closed-loop control of the electric motor, which comprises at least one printed circuit board on which electronic components are arranged, and
at least one control cable for transporting signals to the control unit, the control cables having a connector for connection to the printed circuit board,
wherein the electric motor comprises a brushless direct-current motor,
the electronic components of the printed circuit board are enclosed with potting compound to prevent water from entering, and
the connector of the control cable is protected against the ingress of water, and
wherein the electronic open-loop and closed-loop control unit comprises a control panel or a display having a further printed circuit board on which electronic components are arranged, and the electronic components of the printed circuit board are also enclosed with potting compound to prevent water from entering.