US PATENT SUBCLASS 411 / 45
.~.~ And means to captively retain expander

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}
44  DF  .~ Including sleeve and distinct tapered expander (e.g., anchor bolt type) {9}
45.~.~ And means to captively retain expander {3}
46  DF  .~.~.~> Follower captive within groove
47  DF  .~.~.~> Bridge-type retainer
48  DF  .~.~.~> Tongue-type retainer

DEFINITION

Classification: 411/45

And means to captively retain expander:

(under subclass 44) Subject matter wherein means are provided for holding the expander in assembled relationship with the holding device or anchor prior to expansion thereof.