US PATENT SUBCLASS 411 / 963
.~.~.~ Yielding interlocking washer

Current as of: June, 1999
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411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

955  DF  LOCKED BOLTHEAD OR NUT {7}
956  DF  .~ Automatic base clutch {4}
961  DF  .~.~ Pawl and ratchet {2}
963.~.~.~ Yielding interlocking washer

DEFINITION

Classification: 411/963

Yielding interlocking washer:

Art collection under art collection 961 wherein the device has a tooth face adjacent the substructure which interlocks with a resilient washer carrying complimentary teeth.