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Class Information
Number: 451/490
Name: Abrading > Tool support for flexible-member tool
Description: Device including an element or assembly of elements at least one of which is connected to a flexible-member tool for supporting it against gravity and that partakes of all the movement of the tool and has no relative movement with respect to the tool during operation of the class type.

Sub-classes under this class:

Class Number Class Name Patents
451/495 Contour-adjustable support 90
451/494 Having magnetic or suction tool holding means 46
451/513 Including endless band tool holding member 32
451/504 Including expansible external surface 52
451/508 Including headed, axially disposed, tool holding member on rotary support 81
451/502 Including longitudinal tool holding slot 31
451/514 Including resiliently urged tool holding member 63
451/512 Including taper or wedge tool holding member 36
451/521 Including threaded means to retain tool holder 29
451/520 Including tool holder having tool surface depressor 29
451/496 Including tool holding slot in rotary tool support 41
451/523 Manually manipulated 199
451/491 With tool supply or storage 14

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8647174 Semiconductor wafer polishing method and polishing pad shaping jig Feb. 11, 2014
8585470 Wearable backing for an abrasive flap disk Nov. 19, 2013
8562394 Polishing head and tool change arm for a polishing head Oct. 22, 2013
8414361 Silicon carbide, sapphire, germanium, silicon and pattern wafer polishing templates holder Apr. 9, 2013
8182317 Handheld sanding implement May. 22, 2012
8142262 Sanding device with detachably mounted sanding element Mar. 27, 2012
8113923 Chamfering tool and drum sander Feb. 14, 2012
8105134 Low pressure polishing method and apparatus Jan. 31, 2012
8052506 Method, system, and apparatus for modifying surfaces Nov. 8, 2011
8002612 Attachment system for a sanding tool Aug. 23, 2011
7988539 Abrasive cleaning device Aug. 2, 2011
7927193 Backup assembly for a sanding device Apr. 19, 2011
7901274 Rotary finishing wheel Mar. 8, 2011
7731573 Method, system, and apparatus for modifying surfaces Jun. 8, 2010
7713107 Polishing tool May. 11, 2010
7670210 Tool for working on a surface Mar. 2, 2010
7572173 Polishing apparatus and pad replacing method thereof Aug. 11, 2009
7559829 Tool for surfacing an optical surface Jul. 14, 2009
7377018 Method of replacing a subpad of a polishing apparatus May. 27, 2008
7361078 Subpad support with releasable subpad securing element and polishing apparatus Apr. 22, 2008
7351132 Flap wheel, in particular flap wheel for satin finishing systems for pipes or for sheet metal and method of producing the same Apr. 1, 2008
7347771 Flap-type rotary finishing device Mar. 25, 2008
7303464 Contact wheel Dec. 4, 2007
7273412 Abrasive wheel with improved composing structure Sep. 25, 2007
7223165 Abrasive pad for a manual grinding machine May. 29, 2007
7223164 Optical surface-finishing tool May. 29, 2007
7169028 Flexible finishing shoe Jan. 30, 2007
7169025 Grinding tool for a grinder with rotary oscillating drive Jan. 30, 2007
7131902 Abrasive holder Nov. 7, 2006
7128640 Drum for drum sander for surface mounting of sandpaper blanks Oct. 31, 2006
7125327 Scraper for refurbishing windscreen wiper blades Oct. 24, 2006
7121924 Abrasive articles, and methods of making and using the same Oct. 17, 2006
7090572 Polishing pad, polishing apparatus having the same, and bonding apparatus Aug. 15, 2006
7083508 Belt sander Aug. 1, 2006
7081047 Bristle brush for concrete sanding Jul. 25, 2006
7077733 Subpad support with a releasable subpad securing element and polishing apparatus including the subpad support Jul. 18, 2006
7063607 Bowling ball resurfacing apparatus Jun. 20, 2006
7048615 Pad backer and CMP process using the same May. 23, 2006
7033262 Abrasive substrate for carry type abrasive machine Apr. 25, 2006
7033250 Method for chemical mechanical planarization Apr. 25, 2006
7033261 Tool for surface treatment of an optical surface Apr. 25, 2006
7014549 Polishing pad and method of making the same Mar. 21, 2006
6988941 Engaging assembly for abrasive back-up pad Jan. 24, 2006
6964601 Method for securing a polishing pad to a platen for use in chemical-mechanical polishing of wafers Nov. 15, 2005
6945863 Rotary finishing disc Sep. 20, 2005
6939212 Porous material air bearing platen for chemical mechanical planarization Sep. 6, 2005
6910944 Method of forming a transparent window in a polishing pad Jun. 28, 2005
6869349 Abrading machine with abrading discs, which are moved in a reciprocatory movement transverse to an item Mar. 22, 2005
6832950 Polishing pad with window Dec. 21, 2004
6793569 Sanding strip Sep. 21, 2004

1 2 3 4

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