US PATENT SUBCLASS 470 / 206
.~ Nut or washer arbor


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}
206.~ Nut or washer arbor


DEFINITION

Classification: 470/206

Nut or washer arbor:

(under subclass 190) Subject matter wherein the component is specially adapted for supporting a internally threaded fastener or an annular element adapted to be placed beneath the bearing surface of a bolt head, nut, or similar article during a forming operation.

SEE OR SEARCH CLASS

82, Turning,

168+, for work driving and supporting mandrels placed between the centers of a lathe and driving hollow work pieces by engaging their interior surfaces.

269, Work Holders, appropriate subclasses. Class 269 is the residual locus for patents to a device for clamping, supporting and/or holding an article (or articles) in position to be operated on or treated. See notes there-under for other related loci.