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:
Jul. 25, 2017
Filed:
Mar. 14, 2013
Airbus Helicopters Deutschland Gmbh, Donauworth, DE;
Gerald Kuntze-Fechner, Gmund am Tegernsee, DE;
Markus Bauer, Munich, DE;
Martin Ortner, Unterhaching, DE;
AIRBUS HELICOPTERS DEUTSCHLAND GMBH, Donauworth, DE;
Abstract
An airfoil blade () of a bearingless rotor of a helicopter. Said airfoil blade () has a pitch axis from a tip end to a root end and said root end is provided with junction means for a separable junction arrangement of said airfoil blade () with a flexbeam head (), and a control cuff (). Said junction arrangement is mechanical with removable fasteners respectively removable connecting said root end of said airfoil blade () to said control cuff () and said flexbeam head (). Said root end comprises at least two openings () being asymmetric with regard to said pitch axis.