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, 2013
Filed:
Nov. 06, 2008
Applicants:
Frank Neumann, Langen, DE;
Egbert Linnebach, Brachttal, DE;
Stefan Kunz, Bingen, DE;
Inventors:
Assignee:
Institut fur Mikrotechnik Mainz GmbH, Mainz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drive device for erosion tools, having a drive shaft, an electrode holder connected to the drive shaft, an axial drive which works on the drive shaft, a rotational drive which works on the drive shaft as a direct drive in a contactless manner, and a radial bearing. The radial bearing is constructed as a ball track.