Patent ID: 6708987
Filing Date: 2004-03-23
Classification: B24B,B24D,F16D,Y10T

Abstract:
A clamping device for the releasable fastening of a part (1) on a shaft, a clamping nut (3) which can be screwed onto the shaft being provided for clamping the part in place, a chamber (9) being provided between a pressure member (5) for bearing against the part and the clamping nut (3), this chamber (9) containing a hydraulic pressure medium (11), an escape space (15) which can be connected to the chamber (9) being provided for the hydraulic pressure medium (11), characterized in that the hydraulic pressure medium (11) is arranged in a flexible, closed envelope (10) which is impermeable to the hydraulic pressure medium (11) and which can be pushed into the escape space (15).