Festool Gmbh

Voith Patent Gmbh

Bernd Walter

Volker Barth

Florian Goos

Jochen Elsner

A drive motor for a suction tool () or a machine tool in the form of a hand-held power tool () or a semi-stationary machine tool. The drive motor () has a stator () with an excitation coil assembly () and a rotor () with a motor shaft () which is rotatably mounted on the stator or relative to the stator () about a rotational axis (D) by means of a bearing assembly (A), and the drive motor () has a connection device () for electrically connecting the drive motor to an energizing device () for energizing the excitation coil assembly (). The connection device () has a main part () for securing to the stator () and a receiving arm () which protrudes from the main part (), a conductor receiving area () being formed between the main part and the receiving arm for at least one electric coil conductor () of an excitation coil () of the excitation coil assembly (). The connection device () has a connection contact region () for electrically connecting a connection line () for connecting to the energizing device ().

Growing community of inventors

Neuhausen a.d.F., Germany

Bernd Walter