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. 27, 2002
Filed:
Jun. 18, 2001
Applicant:
Inventor:
Franz-Xaver Bernhard, Spaichingen, DE;
Assignee:
Maschinenfabrik Berthold Hermle AG, Gosheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 5/14 ; B23B 3/22 ; B23C 1/00 ;
U.S. Cl.
CPC ...
B23Q 5/14 ; B23B 3/22 ; B23C 1/00 ;
Abstract
A rotary drive adapted to perform a speed of rotation switching of a tool holding device, comprising an output drive shaft bearing the tool holding device, said output drive shaft being able to be moved into first and second axial positions by means of a setting drive. The output drive shaft is coupled in the first axial position with a power driven first drive gear wheel and in the second axial position with a concentric tubular shaft, which is adapted to be driven by a power driven second drive gear wheel by way of a worm drive.