US PATENT SUBCLASS 72 / 390.6
.~.~.~ Screw actuated

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

380  DF  BY RELATIVELY MOVABLE OFFSET TOOL-FACES (E.G., FOR BENDING OR DRAWING) {4}
386  DF  .~ With tool motion in fixed path {3}
389.1  DF  .~.~ Between and co-planar with opposed tools {8}
390.6.~.~.~ Screw actuated {1}
390.7  DF  .~.~.~.~> Puller

DEFINITION

Classification: 72/390.6

Screw actuated:

(under subclass 389.1) Device including a screw and nut mechanism to move one of the tools.

SEE OR SEARCH THIS CLASS, SUBCLASS:

248, for a screw down device in a roller carrier.

293+, for many examples of screw-actuated nondeforming work-clamps in metal-deforming apparatus.

454, for a screw-actuated tool support.

SEE OR SEARCH CLASS

269, Work Holders,

240+, for a screw-actuated vise jaw.