US PATENT SUBCLASS 30 / 438
.~.~.~ Variable cutter radius

Current as of: June, 1999
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30 /   HD   CUTLERY

400  DF  CAN OPENER {15}
435  DF  .~ Including sweep cutter {3}
437  DF  .~.~ With can penetrating pivot {1}
438.~.~.~ Variable cutter radius {2}
439  DF  .~.~.~.~> Freely slidable cutter {1}
441  DF  .~.~.~.~> Cutter comprising rotatable disc

DEFINITION

Classification: 30/438

(under subclass 437) Device in which the distance between the cutting element and the can penetrating pivot may change.