US PATENT SUBCLASS 470 / 201
.~.~ Collapsible


Current as of: June, 1999
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470 /   HD   THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS

183  DF  IMPLEMENT, E.G., DIE, ETC. {10}
198  DF  .~ Tap {4}
201.~.~ Collapsible {2}
202  DF  .~.~.~> Cam core
203  DF  .~.~.~> Wedge core


DEFINITION

Classification: 470/201

Collapsible:

(under subclass 198) Subject matter wherein the component is structured such that it may be readily retracted toward the axis of the device to allow its withdrawal from a formed hole without reversing any rotary motion of the device.