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:
Oct. 18, 2016
Filed:
Oct. 15, 2013
Applicant:
Airbus Helicopters Deutschland Gmbh, Donaumorth, DE;
Inventors:
Gerald Kuntze-Fechner, Gmund Am Tegernsee, DE;
Markus Bauer, Munich, DE;
Assignee:
Airbus Helicopters Deutschland GmbH, Donauworth, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 27/33 (2006.01); B64C 27/51 (2006.01);
U.S. Cl.
CPC ...
B64C 27/33 (2013.01); B64C 27/51 (2013.01);
Abstract
The invention relates to a separable blade attachment () for a bearingless main rotor of a helicopter with an airfoil blade (), a flexbeam () and a control cuff () enclosing at least a predominant portion of said flexbeam (). A separable junction arrangement between said flexbeam head (), said control cuff () and said root end of said airfoil blade () is mechanical with removable fasteners. A stiffened link () is provided between respective trailing edges () of the control cuff () and said airfoil blade ().