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. 24, 2015
Filed:
Mar. 15, 2013
Airbus Helicopters, Marignane, Cedex, FR;
Sylvain Berthalon, Aix en Provence, FR;
Airbus Helicopters, Marignane Cedex, FR;
Abstract
A coupling means () provided with a first member () suitable for being fastened to a first rotary part () and with a second member () suitable for being fastened to a second rotary part (), the first member () being provided with a first diaphragm () and the second member () being provided with a second diaphragm () that is secured to the first diaphragm (). An emergency torque transmission device comprises at least one bayonet system including a protuberance () secured to one member () and co-operating with an angled groove () secured to the other member () by being inserted in the angled groove () by a thrust-and-rotation movement, in the absence of said breakage said coupling means () including both axial clearances in compression (') and in translation (″) and also circumferential clearance between each protuberance () and walls defining the corresponding angled groove ().