Patent ID: 7178639

Claim:
A device for clamping a loaded rod ( 2 ), comprising at least one clamping element ( 3 ) acting on a periphery of the rod, the clamping element ( 3 ) being conically shaped on its outer periphery and movably mounted in a corresponding conically shaped outer ring ( 4 ), wherein the clamping element ( 3 ) is loaded in the clamping direction by spring elements ( 5 ), and such that the clamping element ( 3 ), when carried by the rod ( 2 ), is pressed in a self-reinforcing manner against the rod ( 2 ) in the load direction, wherein the outer ring ( 4 ) is axially movable in a housing ( 1 ) and is pre-stressed by springs ( 9 ) against the load direction, and wherein the pre-stressing of the springs ( 9 ) is apportioned such that an axial shift of the outer ring ( 4 ) does not occur until a preset, defined load in the rod ( 2 ) is exceeded.