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. 14, 2016
Filed:
Dec. 20, 2012
Applicant:
Ratier Figeac, Figeac, FR;
Inventors:
Assignee:
RATIER FIGEAC, Figeac, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 21/04 (2006.01); F01D 5/30 (2006.01); B64C 11/04 (2006.01);
U.S. Cl.
CPC ...
F01D 21/045 (2013.01); B64C 11/04 (2013.01); F01D 5/30 (2013.01); Y02T 50/672 (2013.01);
Abstract
A propeller blade includes an aerodynamic portion and a blade shank, a hub assembly () which provides anchoring in a hub, a blade shank assembly of the aerodynamic portion, a safety device including a safety element () which extends from a distal assembly in the aerodynamic portion to a proximal assembly () in the blade shank and which is adapted to be able to anchor the aerodynamic portion in the blade shank, wherein the blade shank assembly is anchored radially outside the hub assembly, the proximal assembly is anchored to the blade shank radially inside the hub assembly, and the distal assembly and/or the proximal assembly has a strictly positive radial clearance ().