US PATENT SUBCLASS 173 / 65
.~.~.~ Controlled by motor inlet throttle valve

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}
64  DF  .~.~ Supply for cleansing bypasses motor chamber {1}
65.~.~.~ Controlled by motor inlet throttle valve

DEFINITION

Classification: 173/65

(under subclass 64) Apparatus having the means which controls the rate of flow of motive fluid to the motor chamber said means being provided with additional structure to control the supply of motive fluid which is to be utilized for cleansing.