US PATENT SUBCLASS 72 / 457
BY OR WITH WORK-CONSTRAINER AND/OR MANIPULATED WORK-FORCER

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

457BY OR WITH WORK-CONSTRAINER AND/OR MANIPULATED WORK-FORCER {3}
458  DF  .~> Comprising lever manipulated to force work {1}
460  DF  .~> Comprising nondeforming work-gripping clamp having adjacent tool-face
461  DF  .~> Comprising work-stopping abutment

DEFINITION

Classification: 72/457

BY OR WITH WORK CONSTRAINER AND/OR MANIPULATED WORK FORCER:

(under the class definition) Subject matter comprising means for (a) holding a work-portion against movement, or (b) causing movement of a work portion, or both (a) and (b) which means, as disclosed, facilitates or causes deformation by or during movement of one portion of a workpiece relative to another portion of said workpiece.

(1) Note. The term "by or with", in the title, is intended to include structure wherein the deformation occurs as a result of the intended use of a claimed work-holder or work-forcer; or structure wherein deformation is caused by a disclosed (but not claimed) apparatus, which latter structure includes a claimed work-holder or work-forcer in addition to said apparatus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

211, for disclosure of a carrier for a manipulated or maneuverable-roller couple.