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. 29, 2012
Filed:
Sep. 06, 2006
Wolfgang Carmincke, Scharnebeck, DE;
Oliver Winkel, Kempten, DE;
Wolfgang Carmincke, Scharnebeck, DE;
Oliver Winkel, Kempten, DE;
Liebherr-Verzahntechnik GmbH, Kempten, DE;
Fette GmbH, Schwarzenbek, DE;
Abstract
Tool arrangement for the production of helical teeth in gear wheels, wherein a roughing hob (), at least one deburring cutter () and a finishing hob () can be fastened on a common mandrel () in a predetermined rotational position relative to one another, and the teeth of the finishing hob, which are situated along a helical line, each have a different cross section such that the engagement angle of the right or left flanks decreases continuously starting from a maximum value of the first tooth up to the last tooth, and the maximum engagement angle of the right flanks of the first or last tooth coincides with the minimum engagement angle of the left flanks, and vice versa.