US PATENT SUBCLASS 72 / 252
.~.~ By reciprocating or oscillating means


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

199  DF  BY USE OF ROLLER OR ROLLER-LIKE TOOL-ELEMENT {17}
250  DF  .~ With handling of, or guiding of, work or product relative to tool {2}
252.~.~ By reciprocating or oscillating means


DEFINITION

Classification: 72/252

By reciprocating or oscillating means:

(under subclass 250) Subject matter wherein the work-handling means moves to-and-fro along a single path, at least one of which movements occurs during handling of the work to cause a corresponding movement of work.

(1) Note. Disclosures in this subclass are not limited to means for moving work directly into the bite of a roller couple, but also include means for lifting and/or lowering the work laterally of the direction of movement into the roller couple.