US PATENT SUBCLASS 83 / 550
.~.~ Predetermined sequence of selection

Current as of: June, 1999
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83 /   HD   CUTTING

523  DF  MEANS TO DRIVE OR TO GUIDE TOOL {35}
549  DF  .~ Plural tools selectively engageable with single drive {2}
550.~.~ Predetermined sequence of selection {1}
551  DF  .~.~.~> Of paired tools

DEFINITION

Classification: 83/550

(under subclass 549) Apparatus so constructed that the tools (or tool pairs) must be relatively associated in driving relationship with the common power means in a fixed order of succession.