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:
Apr. 14, 2015
Filed:
Mar. 25, 2010
Wolfgang Bierl, Gueglingen, DE;
Juergen Fronius, Walheim/Neckar, DE;
Heiko Graf, Gerlingen, DE;
Ewald Hasselkuss, Fellbach, DE;
Roland Hoerl, Boennigheim, DE;
Wolfgang Bierl, Gueglingen, DE;
Juergen Fronius, Walheim/Neckar, DE;
Heiko Graf, Gerlingen, DE;
Ewald Hasselkuss, Fellbach, DE;
Roland Hoerl, Boennigheim, DE;
Komet Group GmbH, Besigheim, DE;
Abstract
A machine tool having a motor-driven machine spindle which can be rotated about a spindle axis. The machine spindle has a tool holder arranged at the face. A tool is exchangeably arranged on the machine spindle. The tool has a coupling element which is compatible with the tool holder of the machine spindle. The coupling element has a rear surface pointing toward the machine spindle. The machine tool has at least one galvanic contact point for the electric current or data transmission, the point being arranged between the machine spindle and the tool and rotating together with the machine spindle. The galvanic contact point has a contact element which is arranged at the face of the tool holder on the spindle side, and a contact element which is arranged on the rear surface of the coupling element on the tool side.