US PATENT SUBCLASS 411 / 35
.~.~ Having wedge-shaped section acting in slot

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  DF  .~ Bulged by axially contracting ends {4}
35.~.~ Having wedge-shaped section acting in slot

DEFINITION

Classification: 411/35

Having wedge-shaped section acting in slot:

(under subclass 35) Subject matter wherein the holding device or anchor is in the form of a generally tubular member having an elongated opening in a wall thereof and including a portion having tapered edge surfaces adjacent an end of the elongated opening which act against the side edges of the elongated opening to facilitate bulging of the sleeve as the ends thereof are axially contracted.