US PATENT SUBCLASS 299 / 82.1
.~ Endless-chain type head


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

79.1  DF  CUTTER TOOTH OR TOOTH HEAD {17}
82.1.~ Endless-chain type head {2}
83.1  DF  .~.~> Plural teeth on single link
84.1  DF  .~.~> Nontracking tooth arrangement


DEFINITION

Classification: 299/82.1

Endless-chain type head:

(under subclass 79.1) Cutter tooth or tooth head in which the element is moved by an articulated or flexible member such as a series of links or a cable.

(1) Note. Specific structure of the flexible or articulated means or the supporting structure therefor must be claimed for classification under this definition. Merely reciting the cutter as a "chain cutter" and limiting the claim to cutter tooth or tooth mounting details is excluded and classified on other features.

SEE OR SEARCH THIS CLASS, SUBCLASS:

35, for a wire saw type cutting machine.

63, for an endless loop or rotary chunk severing cutting machine.

SEE OR SEARCH CLASS

37, Excavating,

353+, 394+, and 462+ for excavating devices having cutting elements carried by flexible means. 172, Earth Working,

100, and 542 for earth working tools carried on flexible means.

175, Boring or Penetrating the Earth,

89+, for an earth boring or penetrating tool carried on a continuously driven flexible or articulated member.