US PATENT SUBCLASS 173 / 70
.~.~.~.~ Mechanically maintained in fixed position

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

197  DF  WORK CLEANSING {10}
59  DF  .~ By motive fluid for drive motor or advance causing or controlling motor {7}
66  DF  .~.~ Fluid supplied through working chamber of idled cyclically operable drive motor {1}
67  DF  .~.~.~ Supplied through distributor maintained in fixed position {3}
70.~.~.~.~ Mechanically maintained in fixed position

DEFINITION

Classification: 173/70

(under subclass 67) Apparatus in which a mechanical means is provided to stop relative movement of the distributor while cleansing fluid is continuously supplied through one working chamber.