Patent ID: 11951597
Assignee: nan
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. The gripping sleeve of claim 4, wherein the second sleeve further has a pressing portion which partly protrudes axially beyond the receiving groove; the outer flange has an annular abutting face which extends radially; the outer sleeve is greater than the inner sleeve in length; the gripping sleeve further includes a positioning mechanism, the positioning mechanism is arranged on at least one of the inner sleeve and the outer sleeve and located between the inner sleeve and the outer circumferential face of the outer sleeve; the positioning mechanism is an annular member, at least one of circumferential faces of the inner sleeve and the outer sleeve has a ditch, the annular member is arranged in the ditch and radially protrudes beyond the ditch, and one of the inner sleeve and the outer sleeve is abuttable against the annular member; one of the inner sleeve and the outer sleeve radially protrudes to form a stepped protrusion, and the other of the inner sleeve and the outer sleeve has a stepped groove which corresponds to be assemblable with the stepped protrusion.