US PATENT SUBCLASS 451 / 481
.~.~ Including hydraulically actuated tool mover

Current as of: June, 1999
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451 /   HD   ABRADING

463  DF  CARRIER FOR RELATIVELY MOVABLE SIMULTANEOUSLY USABLE TOOLS {2}
464  DF  .~ For radially movable tools {7}
481.~.~ Including hydraulically actuated tool mover

DEFINITION

Classification: 451/481

Including hydraulically actuated tool mover:

(under subclass 464) Carrier wherein gas or liquid under pressure causes the radial movement of the tool(s).

SEE OR SEARCH THIS CLASS, SUBCLASS:

505, for radial expansion of flexible tool by fluid pressure.