Patent ID: 8360439

Claim:
An adapter for a hand-held power tool, comprising a locking unit ( 40 ) which is releasably and fixedly attachable to a housing ( 10 ) of a hand-held power tool, and a rotatably supported shaft ( 32 ) which is non-rotatably connectable to a drive shaft ( 20 ) of the hand-held power tool, wherein the locking unit ( 40 ) includes at least one spring element ( 42 ) in a form of an annular spring for establishing a detent connection, and wherein a first end ( 45 ) of the annular spring ( 42 ) is fixedly arranged in the locking unit ( 40 ) and a second end ( 47 ) of the annular spring is arranged to be movable in the circumferential direction relative to the locking unit ( 40 ).