Tensionable cable anchor assembly and a tensioning device for tensioning same

The invention provides a cable anchor assembly which includes: a cable anchor body which longitudinally extends between a leading end and a trailing end; a tensioning device which Includes an outer member having a first end and s second end and a threaded passage which extends through the member between the ends and an inner member which threadedly engages with the threaded passage of the outer member and which Is fixedly attached to the cable anchor body at or towards the trailing end; a faceplate engaged with the cable anchor body between the leading end and the tensioning device; wherein, in use, with the cable anchor body inserted in a borehole and anchored therein, the faceplate positioned against a rock face and the first end of the outer member abutting the faceplate, the outer member is rotatable relatively to the inner member to cause the Inner member to move within the passage towards the second end of the outer member, drawing on the cable anchor body to place the body in tension.