US PATENT SUBCLASS 72 / 123
.~.~.~.~ Including roller having noncylindrical work-engaging surface

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}
122  DF  .~.~.~ Including rotating tool mounted on rotating carrier {1}
123.~.~.~.~ Including roller having noncylindrical work-engaging surface

DEFINITION

Classification: 72/123

Including roller having noncylindrical work-engaging surface:

(under subclass 122) Subject matter wherein the work-engaging face of the rotating tool* is a peripheral surface generated by a line revolving about an axis wherein the line is either not straight or not parallel to the axis.

(1) Note. This subclass is the locus of patents disclosing a roller tool which is not a right circular cylinder.

SEE OR SEARCH THIS CLASS, SUBCLASS:

102, for disclosure of similarly shaped tool structure in which disclosure the work rotates.