US PATENT SUBCLASS 72 / 178
.~.~ Including roller-cluster

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

127  DF  BY DEFLECTING SUCCESSIVELY-PRESENTED PORTIONS OF WORK DURING BODILY MOVEMENT THEREOF (E.G., FOR COILING, LEVELLING, CURVING OR TROUGHING MATERIAL IN MOVEMENT) {11}
176  DF  .~ By use of deflector arranged to bend work transversely of direction of work movement (e.g., troughing) {4}
178.~.~ Including roller-cluster

DEFINITION

Classification: 72/178

Including roller cluster:

(under subclass 176) Subject matter wherein the instrumentality includes three or more cooperating rollers* that form a roller cluster*.

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