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US 12,629,855 B2Granted
Material cutting device
AssigneeWacker Neuson Produktion GmbH & Co. KG
InventorsMichael Steffen, Rudolf Berger, Katrin Eichler
Life of this patent
Estimating the term…
Abstract
A material cutting device includes a rotatably mounted tool holder configured to carry a cutting tool and a drive for rotating the tool holder. The drive includes an electric motor with a rotor and a stator. The axis of rotation of the rotor of the electric motor and the axis of rotation of the tool holder are arranged coaxially. The stator encloses the rotor over an angle of less than 360 degrees.
Claims15
A material cutting device, comprising:
- a rotatably mounted tool holder configured to carry a cutting tool;
- and
- a drive for rotating the tool holder;
- wherein
- the drive comprises an electric motor including a rotor and a stator;
- wherein
- an axis of rotation of the rotor of the electric motor and an axis of rotation of the tool holder are arranged coaxially;
- wherein
- the stator encloses the rotor over an angle of less than 360 degrees, wherein
- the tool holder has a maximum radius;
- and wherein
- the stator and the rotor of the electric motor do not extend in a downward direction beyond the maximum radius of the tool holder when the material cutting device is in an intended working position thereof.
9 more elements
A joint cutting device, comprising:
- a chassis;
- at least one running gear for moving the chassis;
- a rotatably mounted tool holder configured to carry a cutting tool;
- and
- a drive for rotating the tool holder, the drive comprising an electric motor including a rotor and a stator;
- wherein
- the electric motor and the tool holder are arranged in a forward area of the chassis, as seen in a main direction of travel;
- wherein
- an axis of rotation of the rotor of the electric motor and an axis of rotation of the tool holder are arranged coaxially;
- wherein
- the stator encloses the rotor over an angle of less than 360 degrees;
- and wherein
- the stator and the rotor of the electric motor do not extend in a downward direction beyond the tool holder when the joint cutting device is in an intended working position thereof.
10 more elements
Dependencies are inferred from the claim text.