Shearing machine with roof-bolt drilling and setting devices
AssigneeVoest-Alpine Zeltweg Gesellschaft m.b.H.
InventorsErich Brandl, Oswald Tutzer, Alfred Zitz
Life of this patent
Estimating the term…
Abstract
A shearing machine with roof-bolt drilling and setting devices which are jointedly connected to the shearing machine and can be hydraulically braced between roof and floor of the roadway. A multiplicity of roof-bolt drilling and setting devices are connected to a common supporting frame, the supporting frame being connected to the shearing machine via guide bars running in the longitudinal direction of the machine.
Claims13
A shearing machine having roof-bolt drilling and setting devices, said roof-bolt drilling and setting devices being jointedly connected to the shearing machine and adapted to be hydraulically braced between a roof and a floor of one of a roadway and tunnel,
- wherein a plurality of the roof-bolt drilling and setting devices are connected to a common supporting frame, said supporting frame being connected to the shearing machine via guide bars running in a longitudinal direction of the shearing machine.
A shearing machine having roof-bolt drilling and setting devices, said roof-bolt drilling and setting devices being jointedly connected to the shearing machine and adapted to be hydraulically braced between a roof and a floor of one of a roadway and tunnel,
- wherein a plurality of the roof-bolt drilling and setting devices are connected to a common supporting frame, said supporting frame being connected to the shearing machine via guide bars running in a longitudinal direction of the shearing machine,
- wherein the guide bars include two upper guide bars and two lower guide bars, the upper and lower guide bars being disposed between the supporting frame and the shearing machine.
Dependencies are inferred from the claim text.