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. 02, 2018
Filed:
Oct. 22, 2014
Applicant:
Aisin Takaoka Co., Ltd., Toyota-shi, Aichi, JP;
Inventors:
Assignee:
AISIN TAKAOKA CO., LTD., Toyota-shi, Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 48/40 (2012.01); C22C 38/16 (2006.01); C22C 38/02 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/12 (2006.01); C22C 38/20 (2006.01); C22C 38/24 (2006.01); F16H 48/08 (2006.01); F16H 48/38 (2012.01);
U.S. Cl.
CPC ...
F16H 48/40 (2013.01); C22C 38/008 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/12 (2013.01); C22C 38/16 (2013.01); C22C 38/20 (2013.01); C22C 38/24 (2013.01); F16H 48/08 (2013.01); F16H 2048/382 (2013.01); F16H 2048/385 (2013.01);
Abstract
In a differential apparatus component (ring gear-integrated with differential case), a differential case and a ring gear are formed integrally and seamlessly of cast steel. Cast Steel is preferably composed of 0.3 to 1.0% by mass of silicon (Si), 0.5 to 1.2% by mass of manganese (Mn), 0.1 to 0.5% by mass of vanadium (V), 0.01 to 0.05% by mass of tin (Sn), 0.1 to 1.5% by mass of chromium (Cr), 0.2 to 1.0% by mass of copper (Cu), and the rest composed of iron (Fe) and unavoidable impurities.