Patent ID: 8128101

Claim:
A clamping device for clamping workpieces, which comprises a chuck base body ( 1 ) having a centre holding fixture ( 2 ) for the shank of a tool (W) to be clamped, and one of an annular damping cavity ( 3 ) surrounding said holding fixture ( 2 ) or a plurality of damping cavities ( 3 ) arranged around said holding fixture ( 2 ) and set off from each other, every damping cavity ( 3 ) being open towards the front face ( 1 ) of the chuck base body ( 1 ) facing the workpiece, wherein the open end of every damping cavity ( 3 ) is at least partially closed ( 5 ) by respective covers ( 5 ) which are inserted into the respective damping cavity ( 3 ) from the open front face and are fixed inside the damping cavity ( 4 ), and wherein every cover ( 5 ) is designed as a damping element and is suspended such as to oscillate freely in the corresponding damping cavity ( 3 ), wherein every cover ( 5 ) is held, oscillating, in the corresponding damping cavity ( 3 ) by at least one O-ring ( 4 ).