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US 11,028,692 B2Granted
Rock bolt with meshing adapter
AssigneeSandvik Intellectual Property AB
InventorsMieczyslaw Rataj, Bradley Darlington, Peter Young, Warren Roach
Life of this patent
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Abstract
A rock bolt and meshing assembly is arranged for installation of a meshing sheet against a surface of rock strata. The rock bolt includes an adapter having a first portion connectable to a trailing end of an elongate shaft of the rock bolt and means configured to receive and mount a meshing clamp to overlay a second section of meshing sheet against an already laid first section of meshing sheet.
Claims19
A rock bolt for installation within a bore formed in rock strata, the rock bolt comprising:
- an elongate shaft having a leading end for installation into the bore and a trailing end arranged to project from an open end of the bore;
- a nut secured to the trailing end of the elongate shaft;
- and
- an adaptor having a connection portion, a body and a mesh clamp extending along a longitudinal axis of the bolt, the connection portion including an external facing surface and an internal thread, the internal thread being arranged to mate with an external thread of the nut so as to be connected to the nut at the trailing end of the elongate shaft, the body having an internal facing surface arranged to mate with the external facing surface of the connection portion, wherein the mesh clamp is arranged at the body or axially between an axially forwardmost part at an end of the connection portion and the body, such that the body is drivable axially on the connection portion via the engagement between the internal facing surface and the external facing surface to force the mesh clamp towards the trailing end of the elongate shaft and to bare against and urge a meshing sheet into contact with a surface of the rock strata.
1 more element
Dependencies are inferred from the claim text.