ASSEMBLY FOR PROVIDING FLEXURE TO BLADE SYSTEM

ASSEMBLY FOR PROVIDING FLEXURE TO BLADE SYSTEM

An assembly for providing flexure to a blade of a rotary blade system includes an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween. At least one of the upper and lower yoke surfaces has a layer of cushioning m...

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Bibliographische Detailangaben
Hauptverfasser: WIINIKKA, MARK A, TISDALE, PATRICK R, MARTIN, RONNIE L, MEASOM, RON, HARSE, JIM, MULLINS, BOB, LEDBETTER, TIMOTHY K, STAMPS, FRANK B, REDDY, D. J, BRASWELL, JAMES L, HIROS, TRICIA, CAMPBELL, TOM, BASKIN, CHARLES L., JR, OLDROYD, PAUL, ZIERER, JOSEPH J, HAYNIE, DAVID A, SADLER, STANLEY GENE
Format: Patent
Sprache:eng ; fre
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:An assembly for providing flexure to a blade of a rotary blade system includes an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween. At least one of the upper and lower yoke surfaces has a layer of cushioning material positioned thereon and secured thereto. An alternate embodiment includes an assembly for providing flexure to a blade of a rotary blade system, including, an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween and directly contacting the support plates wherein one of the curved surfaces is a non-circular arc that does not form part of the circumference of a circle. Another alternate embodiment includes a similar assembly having a twist-shank type of yoke for providing rotation of attached blades about their respective pitch axes.