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:
Sep. 05, 2017

Filed:

Jan. 26, 2012
Applicants:

Yuya Tanaka, Tokyo, JP;

Hideyuki Suzuki, Tokyo, JP;

Yutaka Kanayama, Tokyo, JP;

Kazuki Sato, Tokyo, JP;

Masatake Hatano, Tokyo, JP;

Satoru Saito, Tokyo, JP;

Akihisa Watanabe, Tokyo, JP;

Ryo Abe, Tokyo, JP;

Inventors:

Yuya Tanaka, Tokyo, JP;

Hideyuki Suzuki, Tokyo, JP;

Yutaka Kanayama, Tokyo, JP;

Kazuki Sato, Tokyo, JP;

Masatake Hatano, Tokyo, JP;

Satoru Saito, Tokyo, JP;

Akihisa Watanabe, Tokyo, JP;

Ryo Abe, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 3/26 (2006.01); B64C 1/06 (2006.01); B64C 3/18 (2006.01); B64C 3/20 (2006.01); B64C 1/00 (2006.01); B64C 1/14 (2006.01); B64C 3/34 (2006.01);
U.S. Cl.
CPC ...
B64C 1/064 (2013.01); B64C 3/182 (2013.01); B64C 3/20 (2013.01); B64C 3/26 (2013.01); B64C 1/14 (2013.01); B64C 3/34 (2013.01); B64C 2001/0072 (2013.01); Y02T 50/433 (2013.01); Y10T 428/24322 (2015.01);
Abstract

A composite material structure reinforced against stress concentration in peripheral edge portions of holes and enabled to be reduced in weight. A wing () is formed in a box structure. A lower surface outer plate () of the wing () includes: a center section () made of metal extending in one direction and having access holes () formed therein; a front section (); and a rear section () made of fiber reinforced plastics extending in the one direction and connected to both side portions of the center section (). As the metal used for the center section (), a titanium alloy or an aluminum alloy is suitable.


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