US PATENT SUBCLASS 299 / 25
.~ Relatively moving cutter

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

24  DF  ICE-WORKING DEVICES {1}
25.~ Relatively moving cutter {2}
26  DF  .~.~> Reciprocating
27  DF  .~.~> Block-cutting type {1}

DEFINITION

Classification: 299/25

(under subclass 24) Apparatus in which the machine is provided with a cutter which, in addition to being advanced, has another movement (e.g. rotational) to accomplish the cutting or disintegrating action.

SEE OR SEARCH CLASS

114, Ships,

42, for a vessel having a relatively driven cutter to break an ice flow or open a harbor or the like.