US PATENT SUBCLASS 411 / 44
.~ Including sleeve and distinct tapered expander (e.g., anchor bolt type)

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.~ Including sleeve and distinct tapered expander (e.g., anchor bolt type) {9}
45  DF  .~.~> And means to captively retain expander {3}
49  DF  .~.~> Relative rotation preventing means {1}
54  DF  .~.~> Expansible element moved relative to stationary expander {1}
56  DF  .~.~> Stepped expander
70  DF  .~.~> Expander having integral pull stem
57.1  DD  .~.~> Slotted sleeve spread by tapered expander {5}
63  DF  .~.~> Plural-sectioned sleeve {1}
69  DF  .~.~> Expander or sleeve extruded during expansion
71  DF  .~.~> Sleeve having external gripping means {2}

DEFINITION

Classification: 411/44

Including sleeve and distinct tapered expander (e.g., anchor bolt type):

(under subclass 15) Subject matter wherein the holding device or anchor comprises a sleeve in the form of a tubular element having a bore which is engaged by an expander having a wedging surface to effect expansion of the tubular element.