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:
Nov. 21, 2000
Filed:
Oct. 13, 1998
Applicant:
Inventor:
Etienne Rampal, Marseilles, FR;
Assignee:
Eurocopter, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C / ;
U.S. Cl.
CPC ...
416114 ; 4161 / ; 416141 ; 4161 / ;
Abstract
The swash-plates are oscillating mounted by the non-rotating plate on a central ball joint sliding axially around a guide fixed to the structure and on which the ball joint is locked from rotation by internal splines engaging external splines of the guide. Two cotters slide in diametrically opposite grooves in the external face of the ball joint, and the non-rotating plate pivots on trunnions of the cotters around one of two perpendicular axes the other of which an axis around which the cotters pivot and which is perpendicular to the rotor axis.