US PATENT SUBCLASS 470 / 99
.~.~ And multiple tap spindles

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

87  DF  APPARATUS FOR MAKING INTERNALLY THREADED FASTENER, I.E., NUT {7}
96  DF  .~ Having tapper {7}
99.~.~ And multiple tap spindles {1}
100  DF  .~.~.~> Circular gang type

DEFINITION

Classification: 470/99

And multiple tap spindles:

(under subclass 96) Subject matter further provided with two mechanisms capable imparting motion to the thread cutting means.

SEE OR SEARCH CLASS

408, Cutting by Use of Rotating Axially Moving Tool,

13+, for cutting of screw threads by machines including a plurality or rotating tools.