Holder for a drive piston of a setting tool

摘要

A piston holder for a drive piston of a setting tool and including at least one clamp member (18; 24; 25; 36; 39; 40; 52; 58) that is constantly non-rigidly pressed against a circumference of the drive piston (8), and elements for supporting the at least one clamp member for an eccentric movement in a plane in which a central axis (10a) of the drive piston (8) is located.