US PATENT SUBCLASS 411 / 34
.~ Bulged by axially contracting ends

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

15  DF  HAVING SEPARATE EXPANDER MEANS {13}
34.~ Bulged by axially contracting ends {4}
35  DF  .~.~> Having wedge-shaped section acting in slot
36  DF  .~.~> Twistable sleeve
37  DF  .~.~> Bulged portion having additional gripping means
38  DF  .~.~> Bulged portion including bend line or reduced section

DEFINITION

Classification: 411/34

Bulged by axially contracting ends:

(under subclass 15) Subject matter wherein the holding device or anchor is expanded by moving the ends thereof toward each other so as to collapse a sleeve structure thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

57.1+, for an anchor or holding device in the form of a tapered expander with a slotted sleeve or in 63+, with a plural sectioned sleeve.