US PATENT SUBCLASS 74 / 573 R
.~.~ With balancing means


Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

*  DD  ELEMENTS {10}
572  DF  .~ Flywheels and rotors {2}
573 R.~.~ With balancing means {1}
573 F  DF  .~.~.~> Fluid balancing means

Unofficial Alpha Subclasses: R F

DEFINITION

Classification: 74/573

(under subclass 572) Structures having either (1) means forming a part of the rotor, or (2) means operating with the rotor, or (3) both to balance the same.

SEE OR SEARCH CLASS

16, Miscellaneous Hardware,

403, and 404, for other weights with or without their supporting means.

29, Metal Working,

6.01, and 888.08, for process and apparatus for balancing crankshafts. 73, Measuring and Testing,

66+, for balance testing machines having fly-wheels with adjustable masses.

116, Signals and Indicators,

330, and 333 for balancing means on indicators or pointers.

310, Electrical Generator or Motor Structure,

51, for electrical generators or motors having means for suppression of vibration or noise.

384, Bearings,

199+, for shafts balancing means with bearing.

418, Rotary Expansible Chamber Devices,

151, for weight balanced rotating working members.

451, Abrading,

343, for a grindstone with a balancing means. 464, Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts,

127, for a flexible coupling with balancing means; and subclass 180, for shafts balancing involving modification of the shafts structure.