US PATENT SUBCLASS 173 / 165
.~ Relatively fixed drive for an advancing tool

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

213  DF  MEANS TO DRIVE TOOL ABOUT AN AXIS {7}
165.~ Relatively fixed drive for an advancing tool {2}
166  DF  .~.~> With advance stopping means having selectively operable actuating mechanism
167  DF  .~.~> With advance stopping means adapted to grip tool shaft at any point

DEFINITION

Classification: 173/165

(under subclass 163) Apparatus in which the means to move the tool about an axis remains fixed relative to the axis of tool advance and is adapted to impart torque to the tool while the tool relatively advances.

SEE OR SEARCH THIS CLASS, SUBCLASS:

148+, for a drive for a relatively advancing tool combined with a means to cause or control advance.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism, appropriate subclasses, and particularly

434+, for a gear train or gear element, per se, adapted to drive a relatively advancing shaft.

464, Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts, 162+, for a torque transmitting coupling which accommodates relative axial movement between coupled members.