Patent ID: 8210766

Claim:
An opening cylinder for an open-end spinning device, the opening cylinder defining an axial direction, a radial direction, and a circumferential direction, the opening cylinder comprising: a core piece, the core piece further comprising a seat configured to connect the opening cylinder to a drive shaft; a tooth set carrier being fastened to the core piece in the axial direction by a clip connection; the clip connection comprising a flexible clip element configured to elastically bend in the radial direction and a catch shoulder for engagement with the clip element; the tooth set carrier being fastened to the core piece in the circumferential direction by a form-fitting connection; the form-fitting connection comprising a radially extending projecting part on one of the tooth set carrier or core piece and a recess in the other of the tooth set carrier or core piece in which the projecting part engages for transmitting rotational torque from the core piece to the tooth set carrier; and wherein the catch-shoulder of the clip connection is defined on the projecting part of the form-fitting connection.