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:
Jun. 07, 2016
Filed:
Mar. 05, 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 aerodynamic blade attachment () for a bearingless rotor, particularly a main rotor, of a helicopter, comprising: an airfoil blade () having a tip end and a root end and having a pitch axis from said tip end to said root end; a flexbeam (); a control cuff () enclosing and extending along said flexbeam () and a separable junction arrangement between said flexbeam (), said control cuff () and said root end of said airfoil blade (). Said junction arrangement is mechanical between said flexbeam (), said control cuff () and said root end of said airfoil blade (). Removable fasteners () connect said root end of said airfoil blade () and said control cuff () with said flexbeam (). Said junction arrangement comprises fairing means (and) encompass the removable fasteners () and said flexbeam ().