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:
Jan. 15, 1980
Filed:
Feb. 02, 1978
Applicant:
Inventor:
Erich Kotthaus, Wallisellen, CH;
Assignee:
Werkzeugmaschinenfabrik Oerlikon-Buhrle AG, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
51288 ;
Abstract
A method of, and apparatus for, grinding cutting tools attached to a cutter head for gear cutting machines, the cutter head having sets of cutting tools encompassing three respective groups of cutting tools, specifically inner cutters, outer cutters and auxiliary cutters. Two groups of the cutting tools are removed from the cutter head, the first group of cutting tools is completely ground at the cutter head, the second group of cutting tools is inserted into the cutter head and completely ground, and then the third group of cutting tools is inserted in the cutter head and completely ground.