Patent ID: 6227829
Filing Date: 2001-05-08
Classification: F04C,F16D,Y10T

Abstract:
An eccentric screw pump, which comprises: a pump shaft which at one end is in the form of a hollow shaft mounted near a joint head connecting portion and connected thereto, and which is fitted on the output shaft of a pump drive and is connected thereto; wherein the pump shaft and the output shaft are connected by a clamping device which produces radial forces and which embraces the drive end of the pump shaft by a force-locking connection at a distance from the joint head, said drive end being in the form of a hollow shaft; and wherein the clamping device has a clamping ring embracing the pump shaft with an outside surface which is inclined relative to the longitudinal axis (B) of the shaft at an angle (t) for an outside ring with a correspondingly inclined inside surface.