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Class Information
Number: 451/147
Name: Abrading > Machine > Rotary reciprocating tool > Cylindrical tool > Rectilinear > Work rotating > Rotary work holder > Gear abrader
Description: Abrading machine especially adapted for the grinding of a gear.










Sub-classes under this class:

Class Number Class Name Patents
451/148 Hob 9


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8523634 Method for the grinding of a profile of a workpiece Sep. 3, 2013
8087974 Manufacturing method for worm wheel, and worm gear reducer Jan. 3, 2012
7682222 Variable rate method of machining gears Mar. 23, 2010
7527548 System and method for precision machining of high hardness gear teeth and splines May. 5, 2009
7462092 Method of finishing bevel gears to produce a diffuse surface structure Dec. 9, 2008
7341501 Gear grinding machine, method for dressing threaded grinding wheel and method for grinding work Mar. 11, 2008
7169023 Method and apparatus for manufacturing hourglass worm rolling die Jan. 30, 2007
6979253 Work drive for continuous generation gear grinding machine Dec. 27, 2005
6923712 Method and apparatus for grinding rotors for hydraulic motors and apparatus therefor Aug. 2, 2005
6805617 Process for the fine machining of the toothed gears of a gearbox Oct. 19, 2004
6796877 Abrading machine Sep. 28, 2004
6709318 Dual-grinding method for bar blades and grinding disc for carrying out said method Mar. 23, 2004
6575812 Setting up process for a tool or workpiece on a gear making machine Jun. 10, 2003
6425807 Method and apparatus for grinding rotors for hydraulic motors and apparatus therefor Jul. 30, 2002
6422924 Process for widening the crown of cylindrical-type gears by continuous diagonal hobbing Jul. 23, 2002
6386953 Topological profiling of grinding worms for continuous generating grinding of gear teeth May. 14, 2002
6350181 Process and device for the fine machining of the toothed gears of a gearbox Feb. 26, 2002
6227775 Internal gears and splines and milling method and apparatus for manufacturing same May. 8, 2001
6217409 Threaded grinding wheel and method of dressing Apr. 17, 2001
6077150 Profiling methods for generation of modified grinding worms Jun. 20, 2000
5957762 Internally toothed tool for the precision machining of gear wheels Sep. 28, 1999
5954568 Method, tool and device for the profiling of grinding worms for continuous gear grinding Sep. 21, 1999
5885038 Machine for finishing the tooth flanks of gear-shaped workpieces with an internal gear tool Mar. 23, 1999
5800103 Method of machining during indexing Sep. 1, 1998
5765974 Method for machining tooth flanks of workpieces with a profiled shaped tool Jun. 16, 1998
5720584 Tool for producing a crown wheel which can mesh with a pinion with oblique teeth, and method of producing such a crown wheel Feb. 24, 1998
5681207 Method of working a helical gear by grinding Oct. 28, 1997
5443338 Machine for the precision working of the tooth flanks of gear-shaped workpieces with an internally toothed tool Aug. 22, 1995
5413520 Method and apparatus for fine machining of spur gears May. 9, 1995
5175962 Method of and apparatus for machining spur and helical gears Jan. 5, 1993
5119594 Grinding machine for continuous roll grinding of gears Jun. 9, 1992
5044127 Gear-shaped tool and method of generating gears Sep. 3, 1991
4955163 Method for production of involute gear tooth flanks Sep. 11, 1990
4950112 Machine for the precision working of the tooth flanks of toothed workpieces Aug. 21, 1990
4947590 Method for the precision working of crowned tooth flanks on particularly hardened gears Aug. 14, 1990
4920703 Method and apparatus for finishing a tooth surface of a gear May. 1, 1990
4848040 Apparatus for grinding shaving cutter teeth, and method of same Jul. 18, 1989
4817338 Grinding head for a machine for grinding helically grooved cutting tools Apr. 4, 1989
4815239 Apparatus for production of involute gear tooth flanks Mar. 28, 1989
4811528 Method for production of envolute gear tooth flanks Mar. 14, 1989
4798504 Workpiece machining apparatus and method Jan. 17, 1989
4780990 Machine and process for forming longitudinally curved tooth gears Nov. 1, 1988
4750848 Involute gear cutter Jun. 14, 1988
4724599 Machine tool for simultaneously finishing a plurality of parallel surfaces Feb. 16, 1988
4638599 Gear grinding machine for radial or helical spur gears Jan. 27, 1987
4565474 Method of generating involute tooth forms with a milling cutter Jan. 21, 1986
4555871 Method and apparatus for eliminating undulation errors on gear-tooth flanks in production gear-fabricating machines Dec. 3, 1985
4545708 Method for producing crowned tooth flanks on a toothed workpiece, and a machine suited therefor Oct. 8, 1985
4545151 Gear grinding machine including a double-cone shaped grinding wheel Oct. 8, 1985
4502822 Machine for the precision working of tooth surfaces of toothed workpieces Mar. 5, 1985

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