US PATENT SUBCLASS 299 / 107
.~.~ Having a spring biased retainer

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}
106  DF  .~ Rolling or rotatable type bit mount {1}
107.~.~ Having a spring biased retainer

DEFINITION

Classification: 299/107

Having a spring biased retainer:

(under subclass 91.1) Rolling or rotatable type bit mount in which the connection includes a resilient member.