US PATENT SUBCLASS 173 / 85
.~ With plural cable drums

Current as of: June, 1999
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173 /   HD   TOOL DRIVING OR IMPACTING

81  DF  MEANS TO CONTROL ADVANCE AND CYCLICALLY RECIPROCATE A CABLE-OPERATED HAMMER OR TOOL {5}
85.~ With plural cable drums

DEFINITION

Classification: 173/85

(under subclass 81) Apparatus including at least two drums which receive plural turns of cable.

(1) Note. For inclusion under this definition, at least one of the drums must be claimed as part of a combination to reciprocate and control forward movement, while the other drum may be completely independent of the combination.