US PATENT SUBCLASS 72 / 78
.~.~ Including orbiting roller mounted on rotating carrier

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

67  DF  BY USE OF TOOL ACTING DURING RELATIVE ROTATION BETWEEN TOOL AND WORK ABOUT INTERNAL CENTER (E.G., GYRATING OR ROTATING TOOL) {10}
77  DF  .~ With tool surface orbiting around axis parallel to direction of travel of longitudinally moving work {2}
78.~.~ Including orbiting roller mounted on rotating carrier

DEFINITION

Classification: 72/78

Including orbiting roller mounted on rotating carrier:

(under subclass 77) Subject matter wherein the tool is a roller* turning on an internal axis and is supported in a tool carrier* such that the roller axis revolves about said center of rotation.