US PATENT SUBCLASS 72 / 107
.~.~.~ Included in roller-cluster

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}
80  DF  .~ During rotation of work {12}
102  DF  .~.~ Using non-cylindrical rotating tool {5}
107.~.~.~ Included in roller-cluster

DEFINITION

Classification: 72/107

Included in roller cluster:

(under subclass 102) Subject matter wherein the tool is a roller*, including at least two additional rollers that cooperate with the first to form a roller-cluster*.

(1) Note. See the search note under the definition of subclass 100 for the loci of other disclosures that include use of a roller-cluster or a tool-cluster.