US PATENT SUBCLASS 411 / 129
.~.~ Member engages inwardly facing surface of bolt head or nut

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

81  DF  THREADED FASTENER LOCKED TO A DISCREET STRUCTURE (E.G., PLATE, RAIL, WHEEL) {13}
116  DF  .~ Head or nut side face held by discrete member (e.g., side lock) {7}
129.~.~ Member engages inwardly facing surface of bolt head or nut {2}
130  DF  .~.~.~> And is formed from plural, cooperating parts
131  DF  .~.~.~> And has specific structure to coact with substructure

DEFINITION

Classification: 411/129

Member engages inwardly facing surface of bolt head or nut:

(under subclass 116) Device wherein the contact of a region on the outwardly facing surface of the member with all or part of the inwardly facing surface of the bolt head or nut is relied upon to contribute to the rotation restricting function of the one or more portions of the member.