.~.~> By use of plural independent rotary blades {2}
DEFINITION
Classification: 83/875
Grooving:
(under subclass 861) Method or apparatus including use of a tool comprising: (a) a unitary member which includes a gouge element, the member adapted to remove a section of the workpiece to define a furrow or channel; or (b) coacting slitter elements (with or without a cooperating gouge means) which coact to remove material and leave a channel as above.
SEE OR SEARCH THIS CLASS, SUBCLASS:
869, for grooving to trim an edge of a workpiece.
917, for a notching device.
SEE OR SEARCH CLASS
409, Gear Cutting, Milling, or Planing,
288+, for a grooving device and see the note in this class (83) under the class definition, section II, Lines With Other Classes, subsection A, paragraph 9, f.
