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:
Feb. 19, 2002
Filed:
Nov. 15, 2000
Applicant:
Inventors:
Frank Baumbusch, Eberbach, DE;
Walter Bauer, Simmozheim, DE;
Assignee:
Witzig & Frank GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 3/157 ;
U.S. Cl.
CPC ...
B23Q 3/157 ;
Abstract
The invention relates to a machine tool comprising at least one machining unit having at least one work spindle which can be driven. The machine tool also comprises at least one tool magazine arranged in the working area, and has actuating devices for automatically shifting the tools between the tool holding fixture situated on the spindle and the tool holding fixture situated on the tool magazine. The tool holding fixture situated on the spindle is provided with a hydraulic expansion chuck which, with the aid of the spindle, can automatically press against the tool shaft of a tool.