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:
Jun. 23, 2020
Filed:
Jun. 06, 2018
Applicant:
Liebherr-verzahntechnik Gmbh, Kempten, DE;
Inventor:
Johannes Weixler, Durach, DE;
Assignee:
LIEBHERR-VERZAHNTECHNIK GMBH, Kempten, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23F 19/10 (2006.01); B23F 23/06 (2006.01); B23F 21/00 (2006.01); B23F 21/16 (2006.01); B23F 23/00 (2006.01); B23F 23/04 (2006.01);
U.S. Cl.
CPC ...
B23F 19/104 (2013.01); B23F 19/102 (2013.01); B23F 21/005 (2013.01); B23F 21/16 (2013.01); B23F 23/006 (2013.01); B23F 23/04 (2013.01); B23F 23/06 (2013.01);
Abstract
The present disclosure relates to an apparatus for chamfering at least one edge of the gearing at the front side of a workpiece having internal gearing comprising at least one rotatably supported workpiece holder for holding the workpiece and comprising at least one rotatably supported tool holder for holding a chamfer hob, possibly a chamfer cut hob, wherein the tool holder is arranged at an internal hob arm whose free end can be traveled by a machine axis of the apparatus at least partly into the center opening formed by the internal gearing of the workpiece.