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:
Sep. 19, 2000
Filed:
Jun. 11, 1998
Applicant:
Inventors:
Sylvie Garcin, Carry-le-Rouet, FR;
Etienne Jean Rampal, Marseilles, FR;
Assignee:
Eurocopter, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C / ;
U.S. Cl.
CPC ...
4161 / ; 416140 ;
Abstract
The rotor comprises, for each blade, an inner and an outer flap stop which are fixed to the blade and have a bearing surface which is planar with a cylindrical portion, facing an inner and an outer flap stop fixed to the hub and with torus-shaped bearing surfaces with their convexness facing towards the flap stops of the blade and in the shape of an arc of a circle centered on the axis of drag of the blade.