US PATENT SUBCLASS 299 / 108
.~ Planar type bit mount

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}
108.~ Planar type bit mount {1}
109  DF  .~.~> Tooth mounting spring biased

DEFINITION

Classification: 299/108

Planar-type bit mount:

(under subclass 79.1) Cutter tooth or tooth head in which a means to connect the element is for an endless chain or cable.