US PATENT SUBCLASS 72 / 217
.~.~.~.~ Work between movable tool and pivot (e.g., sweep-arm bender)

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}
214  DF  .~ Comprising tool movable relative to stationary work-portion during deformation {2}
215  DF  .~.~ Along a curved path {1}
216  DF  .~.~.~ About a fixed pivot {1}
217.~.~.~.~ Work between movable tool and pivot (e.g., sweep-arm bender) {2}
218  DF  .~.~.~.~.~> With means to apply torque to movable tool
219  DF  .~.~.~.~.~> Including adjustable tool

DEFINITION

Classification: 72/217

Work between movable tool and pivot (e.g., sweep-arm bender):

(under subclass 216) Subject matter wherein the center of curvature is positioned so that work to be deformed is situated intermediate the center and the tool.

(1) Note. The devices of this subclass are commonly referred to as "sweep-arm benders".