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. 17, 2004
Filed:
Sep. 21, 2001
Applicant:
Inventors:
David Allen Fink, Melrose, MA (US);
Marcel Pierre Joseph Gaudreau, Lexington, MA (US);
Assignee:
Diversified Technologies, Inc., Bedford, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 1/128 ;
U.S. Cl.
CPC ...
B64C 1/128 ;
Abstract
A variable edge rotor blade adapted to be driven by the rotor hub includes an airfoil section; a movable edge section coupled to the airfoil section, and an actuator device operating independently of the hub, disposed in the blade proximate the movable edge section, fixed to the airfoil section and coupled to the movable edge section for oscillating it between an increased lift and decreased lift position.