US PATENT SUBCLASS 72 / 121
.~.~.~ Wherein tool is actuated inwardly

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}
112  DF  .~ Tool orbiting or rotating about an axis {8}
120  DF  .~.~ With actuation of tool radially {2}
121.~.~.~ Wherein tool is actuated inwardly

DEFINITION

Classification: 72/121

Wherein tool is actuated inwardly:

(under subclass 120) Subject matter wherein the tool is pressed toward the axis during deformation.

(1) Note. The term "pressed" is intended to include structure for forcing the tool against the work, towards the axis, even though the tool may itself move away from the axis to conform to the shape of the desired product.