US PATENT SUBCLASS 411 / 977
.~.~.~ Pawl-locked

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}
974  DF  .~ Side lock {7}
975  DF  .~.~ Rotatable washer {2}
977.~.~.~ Pawl-locked

DEFINITION

Classification: 411/977

Pawl-locked:

Art collection under art collection 975 wherein the washer and the substructure are interlocked by a resilient dog which locks the device in movement in one direction, permitting free movement in the other.