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:
Mar. 04, 2014
Filed:
Oct. 11, 2010
Gerald Kuntze-fechner, Waakirchen, DE;
Gerald Kuntze-Fechner, Waakirchen, DE;
Eurocopter Deutschland GmbH, Donawoerth, DE;
Abstract
A system comprising a rotor blade (), in particular of the tail rotor of a rotary wing aircraft, in a fiber-reinforced composite design, with a blade section () and with a coupling section () for attaching the rotor blade () to the hub of a drive device, and comprising a separate sleeve-shaped control tube () with an essentially hollow-cylindrical shaft (), with an also essentially tubular tie section () to tie the control tube () to the rotor blade () by sliding it onto its coupling section (), is improved in that the coupling section () of the rotor blade () and the tie section () of the control tube () comprise a cross-sectional shape for positive-locking interconnection of the rotor blade () and the control tube ().