Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gilbert Mestre0
Guy Cruveiller0
Date of Patent
October 20, 2009
Patent Application Number
11589950
Date Filed
October 31, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A rotorcraft rotor includes a hub , a first blade having a first twistable structure secured to the hub by a first bolt and a first ring or washer , a second blade having a second twistable structure secured to the hub by a second bolt and a second ring or washer. The rotor includes a stop structure for preventing each ring or washer from turning relative to the hub or relative to the corresponding twistable structure.
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