US PATENT SUBCLASS 83 / 479
.~ Optional tool pairs alternatively operative


Current as of: June, 1999
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83 /   HD   CUTTING

469  DF  ROTATABLE DISC TOOL PAIR OR TOOL AND CARRIER {11}
479.~ Optional tool pairs alternatively operative {1}
480  DF  .~.~> One element of tool pairs common to all pairs


DEFINITION

Classification: 83/479

(under subclass 469) Device provided with a plurality of tool pairs, and including (a) means to move one tool pair as a unit into cutting position with respect to work and simultaneously remove one other tool pair from cutting position; or (b) means to move at least one of the cutters of a tool pair, along its individual path, into cooperative cutting relation with respect to its coacting cutter and into cutting position with respect to work, and to remove simultaneously at least one cutter of another tool pair from cooperative cutting relation and cutting position.

(1) Note. See (4) Note of subclass 469 for definition of "Tool pair".