US PATENT SUBCLASS 227 / 57
.~.~ With work feed means

Current as of: June, 1999
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227 /   HD   ELONGATED-MEMBER-DRIVING APPARATUS

51  DF  WITH MEANS TO HEAD MEMBER {5}
55  DF  .~ Heading tool extends within hollow portion of member {4}
57.~.~ With work feed means

DEFINITION

Classification: 227/57

(under subclass 55) Device including dynamic means to effect movement of the work or product relative to the driving-station*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

99+, for means to convey work to a driving-station, and see search notes thereunder for other loci of a work conveying device.