US PATENT SUBCLASS 451 / 343
.~.~ With balancing provision

Current as of: June, 1999
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451 /   HD   ABRADING

340  DF  FRAME OR MOUNT {4}
342  DF  .~ For hanging rigid, rotary abrading tool {1}
343.~.~ With balancing provision

DEFINITION

Classification: 451/343

With balancing provision:

(under subclass 342) Frame or mount including structure particularly adapted for balancing a rotatable grindstone by properly mounting and distributing weights thereon to insure steady running.

SEE OR SEARCH CLASS

73, Measuring and Testing,

66, for a process or apparatus for testing for rotor unbalance including a test using adjustable masses.

74, Machine Element or Mechanism,

573, for miscellaneous rotor balancing means.