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.:

US 7419454 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 02, 2008

Filed:

Oct. 31, 2005
Applicant:

Takashi Shimizu, Toyota, JP;

Inventor:

Takashi Shimizu, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 57/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A ring gear is an annular gear having an annular base portion with a predetermined constant width, and the annular base portion is provided with a gear on an entire periphery thereof. The base portion includes a first wall thickness portion having a first wall thickness, and a second wall thickness portion having a second wall thickness thicker than the first wall thickness.


Find Patent Forward Citations

Shimizu, Takashi. (2008). Annular gear (U.S. Patent No. 7419454). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7419454

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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