B24B21/22 - CPC Classification Index

ClassID:

44652 ⎘

B24B21/22 - CPC Classification

Classification description:

Machines or devices using grinding or polishing belts ; Accessories therefor; Accessories for producing a reciprocation of the grinding belt normal to its direction of movement

Recent Application in this class:

20230173635

2023-06-08

Oscillating device of belt sander

20200070299

2020-03-05

Belt grinder

20200023486

2020-01-23

Polishing apparatus and polishing method

20190344397

2019-11-14

UP-AND-DOWN MOTION MECHANISM FOR BELT SANDER

20190232454

2019-08-01

Worm polishing method and device thereof

20150056893

2015-02-26

Method for polishing ball screw and ball screw polishing apparatus

20140352245

2014-12-04

Abrading device and method of abrading a floor structure utilizing the same

20130331011

2013-12-12

Machine tool, in particular hand-held machine tool

20110318993

2011-12-29

Abrading device and method of abrading a floor structure utilizing the same

#10

20100210193

2010-08-19

Wobbling device of sand belt grinder

#11

20100022173

2010-01-28

Reciprocating drive mechanism of abrasive band grinding machine

#12

20090142997

2009-06-04

DEVICE FOR THE FINISH MACHINING OF CIRCUMFERENTIAL SURFACES OF SUBSTANTIALLY ROTATIONALLY SYMMETRICAL WORKPIECE PORTIONS ON SHAFT-LIKE WORKPIECES

#13

20070032181

2007-02-08

Belt oscillating apparatus of belt sander

#14

20050255799

2005-11-17

Grinding machine and method for grinding a workpiece

#15

20050016868

2005-01-27

Electrochemical mechanical processing apparatus