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Class Information
Number: 451/343
Name: Abrading > Frame or mount > For hanging rigid, rotary abrading tool > With balancing provision
Description: Frame or mount including structure particularly adapted for balancing a rotatable grindstone by properly mounting and distributing weights thereon to insure steady running.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8192254 Sander with a balance means Jun. 5, 2012
8096854 Machine tool and tool, both with an automatic balancing device Jan. 17, 2012
7819724 Device to hold and guide a hand-held tool for grinding or cutting Oct. 26, 2010
7510464 Vibration damping device, in particular for an electric hand machine tool, and a transmission equipped with such a vibration damping device Mar. 31, 2009
7284460 Balancer Oct. 23, 2007
7270598 Orbital sander Sep. 18, 2007
7153199 Light-weight modular counterweight apparatus for an orbital abrading machine Dec. 26, 2006
6974362 System and method for automatically compensating for unbalanced resistance forces Dec. 13, 2005
6802764 Power tool comprising a securement flange Oct. 12, 2004
6758731 Orbital sander Jul. 6, 2004
6726546 Method and apparatus for deburring machined workpieces Apr. 27, 2004
6572455 Method and apparatus for deburring machined workpieces Jun. 3, 2003
6520845 Polishing apparatus Feb. 18, 2003
6475066 Random-orbit head with concentric lock-up feature Nov. 5, 2002
6471453 Balancing assembly for a rotating member Oct. 29, 2002
6464572 Portable power tool with an anti-vibration balancing device Oct. 15, 2002
6419443 Glass product machining apparatus Jul. 16, 2002
6341600 Mechanism for adjusting rotational balance of cutting machine Jan. 29, 2002
6220945 Polishing apparatus Apr. 24, 2001
6168506 Apparatus for polishing using improved plate supports Jan. 2, 2001
6032313 Household appliance having plural coaxially rotatable or parallel linearly movable heads or tools Mar. 7, 2000
5997387 Grinding wheel with at least two wheel cores for circumferential grinding Dec. 7, 1999
5810527 Rotary tool with balancing rings Sep. 22, 1998
5746647 Sleeve flange type mounting device for mounting a grinding wheel on a spindle of a grinding machine May. 5, 1998
5688160 Apparatus for the dynamic balancing of a rotating body Nov. 18, 1997
5676025 Apparatus for balancing a rotary member Oct. 14, 1997
5628676 Counter-balance for disk texturizing apparatus May. 13, 1997
5549019 Apparatus for the dynamical balancing of a rotating body Aug. 27, 1996
5540615 Machine balancer Jul. 30, 1996
5354186 Machine balancer with peristaltic fluid pump Oct. 11, 1994
5341603 External hone Aug. 30, 1994
5263995 Apparatus and method for balancing a rotary tool assembly Nov. 23, 1993
5243788 Grinding wheel balancing method and apparatus Sep. 14, 1993
5240358 Method and apparatus for tool balancing Aug. 31, 1993
5228244 Pneumatic tool having synergetic dust-removal drafting effect Jul. 20, 1993
5190353 Rock cutting tool having eccentric drive Mar. 2, 1993
5125777 Rotary tool Jun. 30, 1992
5125188 Grinding wheel having grinding monitoring and automatic wheel balance control functions Jun. 30, 1992
5096345 Balanceable holder for machine tools Mar. 17, 1992
5074723 Method and apparatus for balancing a rotary tool assembly Dec. 24, 1991
5040340 Random orbital sander adapter Aug. 20, 1991
5033923 Rotary tool Jul. 23, 1991
5027873 Balancing of tooling for a wood lathe Jul. 2, 1991
5007305 Ring balancer Apr. 16, 1991
4951526 Ring balancer Aug. 28, 1990
4947907 Balancing of tooling for a wood lathe Aug. 14, 1990
4928548 Arrangement for continuously compensating for unbalance on a rotary member May. 29, 1990
4905419 Device for automatic balancing of grinding wheel Mar. 6, 1990
4858393 Method of dynamically balancing cylindrical rotors, and device for carrying out the method Aug. 22, 1989
4815543 Activated rock cutting assembly Mar. 28, 1989

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