US PATENT SUBCLASS 416 / 106
.~.~ With movement restraining means (i.e., damping)

Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

98  DF  SUSTAINED ANCILLARY MOVEMENT OF ROTARY WORKING MEMBER (E.G., CYCLIC FEATHERING, ETC.) {9}
103  DF  .~ Lead-lag type rotor blade movement {3}
106.~.~ With movement restraining means (i.e., damping) {1}
107  DF  .~.~.~> Resilient bias or limit stop

DEFINITION

Classification: 416/106

(under subclass 103) Apparatus provided with means to limit the extent or reduce the frequency of blade movement about the lead-lag axis.