US PATENT SUBCLASS 173 / 16
.~.~ Modified internal motor operation

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


173 /   HD   TOOL DRIVING OR IMPACTING

13  DF  DRIVE CONTROLLED BY RELATIVE AXIAL MOVEMENT OF TOOL {2}
15  DF  .~ Drive motor controlled {1}
16.~.~ Modified internal motor operation {1}
17  DF  .~.~.~> Motor piston movement modified relative to motive fluid port

DEFINITION

Classification: 173/16

(under subclass 15) Apparatus in which the operation of the drive motor is initiated, modified, or terminated by a change in internal relationship of the parts of the motor.