The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 2026
Filed:
Mar. 30, 2022
Ab Sandvik Coromant, Sandviken, SE;
Gunnar Matlik, Sandviken, SE;
AB Sandvik Coromant, Sandviken, SE;
Abstract
A clamping device is arranged for releasably holding a tool holder shank. The clamping device includes a housing, a drawbar axially moveable in a bore in the housing in a first axial direction between an advanced releasing position and a retracted locking position, engagement members moveable under the effect of the drawbar into locking engagement with the tool holder shank, a sleeve-shaped actuating member surrounding a part of the drawbar and axially moveable in relation to it, a piston received in the bore and fixed to the actuating member, and a wedge arranged on the outside of the drawbar and configured to move the drawbar rearwards in the bore when pressed inwards towards a longitudinal center axis of the drawbar by movement of the piston and the actuating member in the first axial direction.