US PATENT SUBCLASS 411 / 79
.~.~ Wedge surfaces act in single lateral direction

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}
75  DF  .~ Relatively sliding wedge surfaces {4}
79.~.~ Wedge surfaces act in single lateral direction

DEFINITION

Classification: 411/79

Wedge surfaces act in single lateral direction:

(under subclass 75) Subject matter wherein the second member includes a single tapered surface cooperating with a surface on the holding device or anchor to cause a change in dimension in a single lateral direction.