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:
Aug. 11, 2015
Filed:
Oct. 18, 2012
Airbus Helicopters, Marignane, Cedex, FR;
Robert Dubois, Aix en Provence, FR;
Airbus Helicopters, Marignane Cedex, FR;
Abstract
The present invention relates to landing gear () having at least one undercarriage () comprising a landing gear leg () carrying at least one wheel (). The undercarriage () includes a retraction actuator () having an electric motor (), blocking means () for blocking the actuator in the retraction position and for enabling the retraction actuator to be positioned in the 'landing gear extended' position by gravity, first monitoring means () for monitoring the operation of the retraction actuator (), first control means () for controlling the refraction actuator (), and second control means () for controlling the blocking means ().