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:
May. 07, 2013
Filed:
Aug. 19, 2010
Joseph Mairou, Vitrolles, FR;
Pierre Prud'homme-lacroix, Vitrolles, FR;
Joseph Mairou, Vitrolles, FR;
Pierre Prud'Homme-Lacroix, Vitrolles, FR;
Eurocopter, Marignane Cedex, FR;
Abstract
A reusable bumper () for a rotorcraft () suitable for protecting a rear end () of said rotorcraft (). The bumper () comprises a resilient outer shell () forming a first chamber () having a resilient inner shell () placed therein and forming a second chamber (), said outer shell () having at least one main orifice (), said inner shell () being provided with management means () for managing the pressure that exists inside said second chamber () and suitable for enabling said pressure to increase up to a predetermined threshold in order to inform the pilot that the bumper () has made contact with the ground (S), and then to enable said pressure to drop in order to absorb energy resulting from said contact.