US PATENT SUBCLASS 72 / 387
.~.~ Pivotal motion only

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
387.~.~ Pivotal motion only {1}
388  DF  .~.~.~> Cantilever bender

DEFINITION

Classification: 72/387

Pivotal motion only:

(under subclass 386) Device wherein said moving or guiding means restrains tool motion to rotation about a fixed axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

67+, for metal-deforming apparatus employing a rotary or gyratory tool.

216+, for metal-deforming apparatus embodying one or more work-engaging rollers swingable about a fixed pivot.

298+, for metal deformation by two work-gripping clamps having relative pivotal motion.

310, and 319+, for metal deformation by clamp and coacting tool with relative pivotal motion.