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 8978842 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 17, 2015

Filed:

Feb. 27, 2012
Applicants:

Toru Iwai, Osaka, JP;

Makoto Souwa, Osaka, JP;

Inventors:

Toru Iwai, Osaka, JP;

Makoto Souwa, Osaka, JP;

Assignee:

Shimano Inc., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 65/12 (2006.01); C23C 4/02 (2006.01); C23C 4/18 (2006.01); C23C 24/04 (2006.01); F16D 65/847 (2006.01); F16D 65/78 (2006.01);
U.S. Cl.
CPC ...
F16D 65/128 (2013.01); C23C 4/02 (2013.01); C23C 4/18 (2013.01); C23C 24/04 (2013.01); F16D 65/847 (2013.01); F16D 2065/789 (2013.01); F16D 2200/0021 (2013.01); F16D 2200/0026 (2013.01);
Abstract

A bicycle disc brake rotor basically has an outer portion, an inner portion and an intermediate portion. The outer portion is made of a first material. The inner portion is made of the first material. The intermediate portion is disposed between the outer portion and the inner portion. The intermediate portion is made of the first material. The intermediate portion is at least partially laminated by a layer made of a second material. The second material is different from the first material. The layer has a contour tracing a contour of the intermediate portion.


Find Patent Forward Citations

Iwai, Toru. (2015). Bicycle disc brake rotor (U.S. Patent No. 8978842). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8978842

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