US PATENT SUBCLASS 82 / 57
.~.~ Rotary shear pair

Current as of: June, 1999
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82 /   HD   TURNING

46  DF  SEVERING OR CUT-OFF {11}
54  DF  .~ Cutting couple straddling work {3}
57.~.~ Rotary shear pair {1}
58  DF  .~.~.~> Tool axes parallel to axis of work rotation

DEFINITION

Classification: 82/57

(under subclass 54) Devices wherein the coacting tool elements are both rotated or rotatable cutting members, usually of disk-like configuration.

(1) Note. Included here are devices wherein the axes of the tool element are substantially normal to the axis of work rotation; e.g., as in the cutting out of flat disks or the peripheral trimming of round work pieces.