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:
Aug. 01, 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
A blade attachment () for a bearingless main rotor of a helicopter with an airfoil blade (), a flexbeam () including a flexbeam body () and a flexbeam head () at an end of the flexbeam body (). A control cuff () encloses and extends along at least a predominant portion of the flexbeam (). A separable junction arrangement between the flexbeam head (), the control cuff () and the root end of the airfoil blade () is mechanical with removable fasteners. The removable fasteners comprise a main bolt () and at least one supporting bolt ().