US PATENT SUBCLASS 470 / 88
.~ Castellated nut type


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}
88.~ Castellated nut type


DEFINITION

Classification: 470/88

Castellated nut type:

(under subclass 87) Subject matter wherein the nut is provided with openings structured to cooperate with an element used to secure the nut to a fastened position.

(1) Note. The openings on the nut usually take the form of slots cut or formed laterally through the nut to allow a cotter pin to be passed through the nut and cooperating lateral hole in the end of bolt to secure the nut in a locked position.