Helicopter rotor hub
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 4, 1985
Grant Date -
N/A
app pub date -
Mar 2, 1983
filing date -
Mar 11, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A helicopter rotor hub having a lobed shape defining a plurality of bridge structures each allowing the attachment of a respective blade; each bridge structure is formed of superimposed sections of three annular bands, of synthetic material, the intermediate one of which forms an outer frame extending around the whole of the periphery of the hub, while the other two define one of the said lobes and connect the said outer frame to an inner metal structure.
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