US PATENT SUBCLASS 451 / 484
.~.~ Including resiliently urged tool

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}
484.~.~ Including resiliently urged tool {1}
485  DF  .~.~.~> By coil spring

DEFINITION

Classification: 451/484

Including resiliently urged tool:

(under subclass 464) Carrier wherein springlike means causes the radial movement of one or more tools relative to the carrier.

SEE OR SEARCH THIS CLASS, SUBCLASS:

504+, for resilient tool supports causing radial expansion of a tool.

SEE OR SEARCH CLASS

492, Roll or Roller,

42, for a roll, per se, which includes coil or leaf springs supporting the working surface.