US PATENT SUBCLASS 411 / 108
.~.~ Nut-encompassing sleeve member engaged within through-passage or recess

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}
103  DF  .~ Multipart nut assembly with one member attached to structure or substructure {8}
108.~.~ Nut-encompassing sleeve member engaged within through-passage or recess

DEFINITION

Classification: 411/108

Nut-encompassing sleeve member engaged within through-passage or recess:

(under subclass 103) Device wherein the member is tubular in nature and has its external surface in contact with the sidewall of the hole or pocket, and wherein a nut is anchored to the substructure by being inserted into the hollow interior of the member and engaged therewith.

(1) Note. In some instances, the exterior of the nut and the interior of the member are threaded, and the engagement of the one with the other is of a threaded nature.

(2) Note. Occasionally, the external surface of the member is threaded, in which event the member may be turned into the substructure.