US PATENT SUBCLASS 409 / 314
.~.~ Cycloidal surface

Current as of: June, 1999
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409 /   HD   GEAR CUTTING, MILLING, OR PLANING

288  DF  PLANING {14}
313  DF  .~ Means for cutting arcuate surface {3}
314.~.~ Cycloidal surface

DEFINITION

Classification: 409/314

Cycloidal surface:

(under subclass 313) Apparatus particularly adapted to form a curved surface on the workpiece wherein a cross section through the surface would show the shape to be that generated by a point on the periphery of a circle, which circle is rolled over a planar surface.