US PATENT SUBCLASS 299 / 79.1
CUTTER TOOTH OR TOOTH HEAD

Current as of: June, 1999
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299 /   HD   MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL

79.1CUTTER TOOTH OR TOOTH HEAD {17}
85.1  DF  .~> Plural heads moving relative to each other
80.1  DF  .~> Adjustable head
81.1  DF  .~> Cleansing fluid passage {2}
82.1  DF  .~> Endless-chain type head {2}
85.2  DF  .~> Adjustable tooth
87.1  DF  .~> Tooth mounted on helical head portion or head with helical conveying portion
100  DF  .~> Percussive tooth or bit
101  DF  .~> Plural cutting edges on tooth, pick, or bit
102  DF  .~> Clamped tooth holder or tooth mount
103  DF  .~> Clamped tooth
104  DF  .~> Wear shield or replaceable wear sleeve
105  DF  .~> Wear resistant feature for tool body (e.g., hard facing)
106  DF  .~> Rolling or rotatable type bit mount {1}
108  DF  .~> Planar type bit mount {1}
110  DF  .~> Rolling or rotatable bit {1}
112  DF  .~> Planer-type cutter insert or tip shape
113  DF  .~> Insert or tip mounting feature (e.g., soldering, brazing, friction or interference fit)

DEFINITION

Classification: 299/79.1

Cutter tooth or tooth head:

(under the class definition) Apparatus comprising (1) an

element which is disclosed as specifically adapted to mechanically contact and selectively break up, scarify, or dislocate hard material, such hard material being described as in situ relative to the earth or (2) the immediate supporting means for such element.

(1) Note. The term "cutter" or "cutter head" as used in the title of this subclass and elsewhere in the titles and the definitions of this class comprises at least one element as defined in this subclass and the immediate supporting and driving means for an element. However, a motor or plural, relatively moving motion-transmitting elements are not included as immediate driving means for an element.

(2) Note. The term "cutter tooth" as used in the title of this subclass and elsewhere in the titles and definitions of this class, comprises the cutting element, per se.

SEE OR SEARCH THIS CLASS, SUBCLASS:

20+, for a device comprising relatively movable parts which are adapted to be inserted into an opening in material and dislocate the material by expansion therein.

24+, for a device adapted to cut, disintegrate or dislocate ice.

SEE OR SEARCH CLASS 30, Cutlery,

165+, for cutting tools.

37, Excavating,

446+, for the digging edge and separable teeth of a scoop.

125, Stone Working,

36+, for a tool adapted to work hard material which is not in situ relative to the earth.

172, Earth Working,

681+, for earth working tools.

175, Boring or Penetrating the Earth,

327+, for a bit or bit element.

241, Solid Material Comminution or Disintegration,

291+, for elements for breaking up solid material, which is not in situ relative to the earth. 433, Dentistry,

25+, for tools to cut natural teeth.