US PATENT SUBCLASS 411 / 2
.~ Frangible connection

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

1  DF  TORQUE RESPONSIVE NUT OR BOLT DRIVING CONNECTION {2}
2.~ Frangible connection {1}
3  DF  .~.~> Between concentric elements {2}

DEFINITION

Classification: 411/2

Frangible connection:

(under subclass 1) Subject matter wherein the holding device is joined to the driving section by a destroyable member or weakened portion which ruptures upon the application of excessive torque.

SEE OR SEARCH THIS CLASS, SUBCLASS:

39+, for a holding device or anchor provided with frangible portion.