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:
Aug. 21, 2001
Filed:
Apr. 28, 2000
Applicant:
Inventors:
Norbert Hessbrüggen, Eschenbach, DE;
Christoph Wernz, Stuttgart, DE;
Assignee:
EMAG Maschinenfabrik GmbH, Salach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 5/10 ; B23B 9/00 ;
U.S. Cl.
CPC ...
B23Q 5/10 ; B23B 9/00 ;
Abstract
The tool-changing device comprises a tool carrier rotatably mounted in a basic housing by means of a hollow shaft. This tool carrier is driven via a ring motor, the rotor of which is directly connected to the hollow shaft. A servomotor for the drive of tools is provided in the interior of the hollow shaft. Furthermore, the cavity of the hollow shaft also accommodates supply lines for the tools.