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:
Dec. 06, 2011
Filed:
Jun. 24, 2008
Jean-marie Parisy, Paris, FR;
Jean-françois Hirsch, Aix En Provence, FR;
Jean-Marie Parisy, Paris, FR;
Jean-François Hirsch, Aix En Provence, FR;
Eurocopter, Marignane Cedex, FR;
Abstract
The present invention relates to a rotorcraft blade () provided with a distributed spar () on a leading edge (), a suction side (), and a pressure side () of the blade, and the invention also relates to a method of fabricating such a spar. The blade is provided with a fastener insert () integrated in the blade root for the purpose of fastening the blade to a rotor, the fastener insert () comprising a horizontal shaft () perpendicular to the span of the blade and to an axis of rotation of said rotor, with the distributed spar () of the blade being wound in part about the horizontal shaft.