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Class Information
Number: 451/504
Name: Abrading > Tool support for flexible-member tool > Including expansible external surface
Description: Tool support wherein the outer effective tool engaging area of the support is increased for frictionally securing the tool to its support.










Sub-classes under this class:

Class Number Class Name Patents
451/507 Actuated by compression of support 18
451/506 Centrifugally actuated 9
451/505 Hydraulically actuated 22


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8231440 Expansible sanding block exhibiting oblique extending surfaces Jul. 31, 2012
8028977 Device for supporting plate-like materials for at least one separating process Oct. 4, 2011
8011998 Expansible sanding block exhibiting oblique extending surfaces Sep. 6, 2011
7891279 Shear resistant rivet and saw chain Feb. 22, 2011
7201646 Tension adjustment apparatus for abrading tools Apr. 10, 2007
7121933 Chemical mechanical polishing apparatus Oct. 17, 2006
6945849 Polishing method and polishing device Sep. 20, 2005
6913518 Profile control platen Jul. 5, 2005
6908267 Variable radii cutter Jun. 21, 2005
6896606 Drywall sanding implement May. 24, 2005
6875090 Apparatus for finishing optical surfaces, including a pad compensation device Apr. 5, 2005
6739961 Abrasive band tightening apparatus May. 25, 2004
6692341 Abrasive machine Feb. 17, 2004
6685547 Pneumatic sanding roll for flexible abrasive cloth sleeve Feb. 3, 2004
6663479 Contouring hand sander tool Dec. 16, 2003
6645060 Expandable wheel for supporting an endless abrasive belt Nov. 11, 2003
6585571 Distal end honing device Jul. 1, 2003
6579152 Polishing apparatus Jun. 17, 2003
6551178 Reamer with adjustable expansion/contraction, and bore finishing machine comprising the same Apr. 22, 2003
6527632 Lap having a layer conformable to curvatures of optical surfaces on lenses and a method for finishing optical surfaces Mar. 4, 2003
6203410 Reamer with adjustable expansion/contraction, and bore finishing machine comprising the same Mar. 20, 2001
6152814 Expandable abrasive belt for use with inflatable tool Nov. 28, 2000
6139414 Flexible tool for plateauing a surface Oct. 31, 2000
6086466 Centrifugal expansion roller for sanding machines Jul. 11, 2000
5931719 Method and apparatus for using pressure differentials through a polishing pad to improve performance in chemical mechanical polishing Aug. 3, 1999
5931727 Manual grinding machine-tool and grinding tool Aug. 3, 1999
5921854 Method and apparatus for sanding with a rotating roller Jul. 13, 1999
5895311 Abrasive device that maintains normal line of contact with curved abrasive surface and method of using same Apr. 20, 1999
5890953 Method for apparatus for abrading and a rotating roller therefor Apr. 6, 1999
5762546 Pneumatically assisted conformal tool for an ophthalmic lens finer/polisher Jun. 9, 1998
5707279 Abrasive tool Jan. 13, 1998
5679056 Drum sander attachment for a power tool and method of using Oct. 21, 1997
5672096 Inflatable tool Sep. 30, 1997
5655958 Elastic base grinding wheel for smoothing and polishing toroidal contours of hard materials Aug. 12, 1997
5567197 Apparatus for sanding and buffing with a rotating roller Oct. 22, 1996
5564971 Roller and belt assembly for sanding and buffing machines Oct. 15, 1996
5529529 Cylinder liner microfinishing apparatus and method Jun. 25, 1996
5482498 Honing tool and super precision finishing method using the same Jan. 9, 1996
5371978 Honing tool and super precision finishing method using the same Dec. 13, 1994
5331771 Sharpening tool for pointed objects Jul. 26, 1994
5185970 Expanding device for supporting grinding sleeves Feb. 16, 1993
5172524 Sanding block Dec. 22, 1992
5007208 Anchor for rotary sanding drum Apr. 16, 1991
4995200 Sanding tool Feb. 26, 1991
4823515 Adjustable sanding device Apr. 25, 1989
4802310 Sander attachment Feb. 7, 1989
4546576 Polishing apparatus having an expandable head Oct. 15, 1985
4534138 Nail file having flexible abrasive sheet Aug. 13, 1985
4525959 Abrasive finishing tool Jul. 2, 1985
4388782 Handhole seat resurfacing tool for naval pressure fired boilers Jun. 21, 1983

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