US PATENT SUBCLASS 451 / 395
.~.~.~ Hydraulically actuated

Current as of: June, 1999
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451 /   HD   ABRADING

364  DF  WORK HOLDER {10}
392  DF  .~ Work reciprocating {2}
393  DF  .~.~ Rectilinearly {2}
395.~.~.~ Hydraulically actuated

DEFINITION

Classification: 451/395

Hydraulically actuated:

(under subclass 393) Work holder including a fluid pressure motor to produce reciprocation past the abrading surface.

SEE OR SEARCH CLASS

408, Cutting by Use of Rotating Axially Moving Tool,

63, for a drilling machine in which a table supporting a workpiece is fed to a rotating drill along the axis of rotation by a fluid pressure motor.