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:
May. 21, 2019
Filed:
Jul. 13, 2015
Applicant:
Kennametal Inc., Latrobe, PA (US);
Inventors:
Michael Schuffenhauer, Furth, DE;
Josef Herud, Herzogenaurach, DE;
Assignee:
KENNAMENTAL INC, Latrobe, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 31/117 (2006.01); B23B 31/30 (2006.01); B23B 31/02 (2006.01);
U.S. Cl.
CPC ...
B23B 31/305 (2013.01); B23B 31/028 (2013.01); B23B 31/1176 (2013.01); B23B 31/1178 (2013.01); B23B 31/30 (2013.01); Y10T 279/1216 (2015.01); Y10T 279/1241 (2015.01); Y10T 279/3487 (2015.01);
Abstract
The invention relates to a hydraulic expansion chuck having an end on the tool side; and an end on the machine side. A shaft is disposed on the end on the machine side for clamping the expansion chuck in a machine tool. An expanding bushing is disposed on the end on the tool side and surrounded by a pressure chamber and can be radially deformed for clamping a tool under the action of a pressure medium received in the pressure chamber.