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. 20, 2007
Filed:
Jul. 26, 2005
Applicant:
Robert Gaiani, Figeac, FR;
Inventor:
Robert Gaiani, Figeac, FR;
Assignee:
Ratier-Figeac, Figeac, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
This device for mounting a propeller blade in a hub, of the type in which a blade base is mounted in rotation in a hub housing by means of at least two bearings and where a preloading device permitting axially preloading the two bearings comprises a holding ring mounted between one of the two bearings and hub so as to allow an axial displacement of ring relative to hub, in that holding ring is mounted rotatingly between bearing and hub by means of rolling elements and helical tracks arranged to drive an axial displacement of ring during rotation of this ring, means being provided to cause ring to rotate according to a predefined law.