US PATENT SUBCLASS 411 / 940
.~.~ Radial key or gib

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

924  DF  COUPLED NUT AND BOLT {13}
929  DF  .~ Thread lock {12}
940.~.~ Radial key or gib

DEFINITION

Classification: 411/940

Radial key or gib:

Art collection under art collection 929 in which a special structure is provided in the form of a key or gib which is moved radially toward the bolt and engages its thread.