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Class Information
Number: 74/572.4
Name: Machine element or mechanism > Elements > Balancing for drum, e.g., washing machine or arm-type structure, etc., centrifuge, etc.
Description: Subject matter under subclass entitled ELEMENTS comprising structure for maintaining the equilibrium of (a) a barrel-like structure rotatable about a single axis, used in a clothes cleaning system, or (b) a long, slender support rotatable at one end about a single axis, used in a spinning system to separate material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7503735 |
Spindle structure |
Mar. 17, 2009 |
| 7481108 |
Rotatable member with an annular groove for dynamic balancing during rotation |
Jan. 27, 2009 |
| 7465146 |
Methods and systems for turbine rotor balancing |
Dec. 16, 2008 |
| 7435211 |
Ball balancer for vertical rotor and centrifuge |
Oct. 14, 2008 |
| 7393164 |
Dynamic balancing ring for cutter holder |
Jul. 1, 2008 |
| 7305905 |
Rotatable member with an annular groove for dynamic balancing during rotation |
Dec. 11, 2007 |
| 7297097 |
Lift type weight measuring centrifuge |
Nov. 20, 2007 |
| 7285085 |
Automatic balancing rotor for centrifuge |
Oct. 23, 2007 |
| 7199971 |
Balancing a rotatable body in multiple planes using invertible balancing plugs |
Apr. 3, 2007 |
| 7115090 |
Method and device for pretreatment of samples by centrifuging |
Oct. 3, 2006 |
| 7025714 |
Process to balance a rotatable plate of a centrifuge and centrifuge using the process |
Apr. 11, 2006 |
| 6782722 |
Drum washing machine |
Aug. 31, 2004 |
| 6681430 |
Method and system for mechanizing simultaneous multi-actuator actions applied to dynamic balancing |
Jan. 27, 2004 |
| 6662682 |
Dynamic balancing application mass placement |
Dec. 16, 2003 |
| 6638203 |
Centrifuge rotor shaft vertical displacement restriction device with angular deflection capability |
Oct. 28, 2003 |
| 6550292 |
Dynamic balancer for an automatic washer |
Apr. 22, 2003 |
| 6510715 |
Smart balancing system |
Jan. 28, 2003 |
| 6492750 |
Automatic equalizer |
Dec. 10, 2002 |
| 6442782 |
Ball balancing mechanism |
Sep. 3, 2002 |
| 6389628 |
Balance ring |
May. 21, 2002 |
| 6295678 |
Method for pre-balancing a rotating drum having a temporarily shifting unbalance |
Oct. 2, 2001 |
| 6132354 |
Automatic ball balancer for rotating machine |
Oct. 17, 2000 |
| 6119547 |
Automatic balancing device |
Sep. 19, 2000 |
| 6082151 |
Balancing device for use on washing machines |
Jul. 4, 2000 |
| 5953939 |
Wash system by recirculating pumping with self balanced centrifugal squeeze dry of laundry |
Sep. 21, 1999 |
| 5924312 |
Multiple direction vibration absorber |
Jul. 20, 1999 |
| 5921148 |
Method for stabilizing a centrifuge rotor |
Jul. 13, 1999 |
| 5916274 |
Reinforced ball balancer for clothes washing machine |
Jun. 29, 1999 |
| 5913951 |
Radially oriented motor for a fluid balance ring |
Jun. 22, 1999 |
| 5870908 |
Load balancing device |
Feb. 16, 1999 |
| 5857360 |
Washing machine having a balancing apparatus employing movable balls |
Jan. 12, 1999 |
| 5857361 |
Drum washing machine |
Jan. 12, 1999 |
| 5855127 |
Balancer for dehydration tub for use in washing machine or the like |
Jan. 5, 1999 |
| 5850749 |
Balancing device for a drum washing machine |
Dec. 22, 1998 |
| 5850748 |
Front loading clothes washing machine with dynamic balancing mechanism |
Dec. 22, 1998 |
| 5833908 |
Method for compression molding a fixed centrifuge rotor having sample tube aperture inserts |
Nov. 10, 1998 |
| 5829084 |
Method and system for balancing an upright washing machine |
Nov. 3, 1998 |
| 5826689 |
Clutch cover and clutch comprising such a cover |
Oct. 27, 1998 |
| 5823068 |
Rotating system with reduced transference of vibration and acoustics and method for reducing same |
Oct. 20, 1998 |
| 5816074 |
Balancing device for a drum washing machine |
Oct. 6, 1998 |
| 5813253 |
Arrangement for balancing of a body rotatable about an axis |
Sep. 29, 1998 |
| 5813346 |
Adaptive drum balancing system |
Sep. 29, 1998 |
| 5806349 |
Washing machine with ball balancer |
Sep. 15, 1998 |
| 5802885 |
Balancing device for drum washing machine |
Sep. 8, 1998 |
| 5799512 |
Balancing device for drum washing machine |
Sep. 1, 1998 |
| 5782110 |
Clothes washing machine with balancing device |
Jul. 21, 1998 |
| 5765404 |
Balance ring attachment in an automatic washer |
Jun. 16, 1998 |
| 5761932 |
Dynamic balancing apparatus for clothes-washer |
Jun. 9, 1998 |
| 5761933 |
Clothes washer with balancing devices for dynamically counteracting imbalances |
Jun. 9, 1998 |
| 5740701 |
Washing machine transmission drive connection |
Apr. 21, 1998 |
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