B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
244/20
B64C 27/605 (2006.01)
Patent
CA 2039758
A flexible composite scissor assembly is disclosed which utilizes one or more composite straps disposed either in a radial or non-radial relationship between a hub attached to a rotor and an inner or outer ring of a helicopter swashplate. The composite material has sufficient edge-wise stiffness to allow effective torque transmission between the rotor shaft and the swashplate yet has sufficient flexibility to allow for a vertical and angular displacement of the swashplate relative to the rotor shaft. Utilizing a flexible composite scissor assembly eliminates the need for mechanical linkages having pins and bearings which are a frequent source for wear, increasing the reliability of the rotor assembly, while reducing weight.
Doolin Leonard J.
Hunter Dave H.
Lauck Kenneth L.
Milne Robert James
Poulin Stephen V.
Swabey Ogilvy Renault
United Technologies Corporation
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