Patent ID: 7033117

Claim:
A self-drilling rock anchor for use in mine and tunnel constructions, comprising an anchor tube ( 2 ) having opposite first ( 5 ) and second ( 7 ) ends; a drill head ( 6 ) provided at the first end ( 5 ); an outer thread ( 8 ) provided at least in a region of the second end ( 7 ); and an adapter ( 11 ; 21 ; 41 ) releasably connectable with the anchor tube ( 2 ) and having an inner thread ( 17 ) for engaging the outer thread ( 8 ) in the region of the second end ( 7 ) of the anchor tube ( 2 ), a screw stop ( 14 ; 24 ), and a quick-intervention element ( 15 ; 25 ; 45 ) connectable with a rotatable chuck of a drilling tool the rock anchor is driven in with, wherein the quick-intervention element ( 15 ; 25 ; 45 ) is provided on an outer side of the adapter ( 11 ; 21 ; 41 ); and wherein the adapter ( 11 ; 21 ; 41 ) further includes a connection sleeve section ( 16 ; 26 ; 36 ) provided between the quick-intervention element ( 15 ; 25 ; 45 ) and the screw stop ( 14 ; 24 ).