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.

Date of Patent:
Feb. 20, 2007

Filed:

May. 07, 2002
Applicant:

Walter Barth, Leinfelden-Echterdingen, DE;

Inventor:

Walter Barth, Leinfelden-Echterdingen, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 55/17 (2006.01);
U.S. Cl.
CPC ...
Abstract

A ring gear includes teeth () and tooth gaps (), in which the teeth () can be brought vie tooth flanks () into engagement with a corresponding pinion. The tooth flanks (), after a final engagement point () of the pinion, from the tooth head () toward the tooth base (), compared to standard tooth flanks (), are made to approximate a trochoid (), described by the pinion and projected into a normal section.


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