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US 2017/0306756 A1Published application
Cutting apparatus
AssigneeSandvik Intelectual Property AB
InventorsGeorg SCHERZ, Christoph HABERER
Life of this patent
Estimating the term…
Abstract
A cutting apparatus suitable for creating tunnels and subterranean roadways includes independently pivoting supports that each carry a respective independently pivoting arm and a rotatable cutting head. Each cutting head via the supports and arms, is configured to slew laterally outward in a sideways direction and to pivot in a vertical upward and downward direction. The supports and arms are mounted on a linear moving sled carried by a main frame.
Claims19
A cutting apparatus suitable for creating tunnels or subterranean roadways and the like comprising:
- at least one arm pivotally mounted to the apparatus and arranged to pivot in an upward and downward direction;
- at least one arm actuator arranged to actuate pivoting movement of the at least one arm about an arm pivot axis;
- a rotatable cutting head mounted at the at least one arm, the head being rotatable about a head axis oriented to extend substantially transverse to the arm pivot axis;
- a drive motor unit for supplying a drive power;
- and
- a cutter gear drive train coupled between the drive motor unit and the cutting head for transmitting the drive power to the cutting head, wherein the drive motor unit includes a plurality of drive motors, each drive motor being coupled to the drive train and supplying a portion of the drive power.
3 more elements
Dependencies are inferred from the claim text.