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 8061991 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 22, 2011

Filed:

Jan. 22, 2009
Applicant:

Remi Metivier, Paris, FR;

Inventor:

Remi Metivier, Paris, FR;

Assignee:

Eurocopter, Marignane Cedex, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A rotorcraft blade is provided with a rigid attachment filler () and with a spar () that extends from a root () of the blade to a free end () of the blade, the attachment filler () having top, bottom, front, rear, left side, and right side faces (, and). The spar () then includes a succession of fiber layers () that hold the attachment filler () captive at the root () of the blade, the spar () being secured to the top, bottom, front, rear, and left side faces (, and) of the attachment filler ().


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