Rock bolt with information display region
AssigneeSandvik Mining and Construction Tools AB
InventorsMieczyslaw Rataj, Steven Weaver, Bradley Darlington, Peter Young, Warren Roach
Life of this patent
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Abstract
A rock bolt for installation within a bore formed in rock strata having an elongate shaft with the leading end for installation into the bore and a trailing end projecting from an open end of the bore. A locking nut is threadably attached to the trailing end and is arranged to display product information and the like at a display face. The display face is recessed axially into the nut to provide protection against damage to the display face that may otherwise render the information unreadable.
Claims15
A rock bolt arranged 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 threaded trailing end arranged to project from an open end of the bore;
- an internally threaded nut attached at the trailing end arranged to mount a rock plate against a surface of the rock strata, the nut having an outside surface and an axially forward facing contact face arranged for positioning opposed to the rock plate and an axially rearward facing exposed face, and wherein the nut includes threads at the outside surface;
- a recessed portion extending axially inward from the exposed face and defining an axially rearward facing display face being axially recessed relative to the exposed face;
- and
- indicia provided at the display face.
Dependencies are inferred from the claim text.