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Class Information
Number: 451/237
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Templet
Description: Abrading machine in which the abrading of the workpiece is under the control of a pattern and a follower.










Sub-classes under this class:

Class Number Class Name Patents
451/238 Pantograph 7
451/239 Rotary templet or pattern 83


Patents under this class:

Patent Number Title Of Patent Date Issued
7530884 System and method for duplicating keys May. 12, 2009
7413504 Blade sharpening device with blade contour copying device Aug. 19, 2008
7210986 System and method for duplicating keys May. 1, 2007
6086463 Tester with interchangeable inserts for grinding wheels Jul. 11, 2000
5919083 Centering template for concentric grinding Jul. 6, 1999
5848930 Aircraft trimming device Dec. 15, 1998
5775973 Method and apparatus for grinding the rim of a lens Jul. 7, 1998
5674113 Clip-on sunglasses and system for cutting clip-on sunglasses Oct. 7, 1997
5613811 Dust-free method and apparatus for locating and cutting holes for electrical outlet boxes, recessed light fixtures and the like Mar. 25, 1997
5605498 Machine for trimming eyeglass lenses Feb. 25, 1997
5480345 Knife sharpener Jan. 2, 1996
5431595 System for cutting clip-on sunglasses Jul. 11, 1995
5423712 Cutter for clip-on sunglasses Jun. 13, 1995
5355631 Regulated force and speed control of a surface treating wheel Oct. 18, 1994
5274963 Flush-mount sink assembly method Jan. 4, 1994
5119600 Deburring apparatus Jun. 9, 1992
4984391 Machine for forming woodworking tool Jan. 15, 1991
4898504 Key cutting machine Feb. 6, 1990
4780032 Key duplicating apparatus Oct. 25, 1988
4582459 Milling device for a rod handle Apr. 15, 1986
4580367 Abrading apparatus Apr. 8, 1986
4545709 Machine for the encipherment of keys Oct. 8, 1985
4519167 Process and apparatus for the automatic control of movement of an edge grinding machine May. 28, 1985
4514933 Self-balanced surface-processing apparatus May. 7, 1985
4493166 Ultra precise tool forming apparatus Jan. 15, 1985
4481740 Tool profile grinding machine, with mechanical adjustment of the grinding wheel and positioning of the tool interrelated Nov. 13, 1984
4478007 Tool positioning device for machining the edges of sheet or plate materials Oct. 23, 1984
4459780 Cabochon copy grinding apparatus Jul. 17, 1984
4319615 Router attachment for ornamenting a workpiece Mar. 16, 1982
4309848 Turbine blade tip finishing apparatus Jan. 12, 1982
4305344 Surface processing apparatus Dec. 15, 1981
4294042 Apparatus and method for grinding a helical surface on a flat blade Oct. 13, 1981
4290237 Fixture for use in forming cylindrical surfaces of accurate dimension Sep. 22, 1981
4251173 Key cutter Feb. 17, 1981
4215960 Copying-milling apparatus Aug. 5, 1980
4207709 Tool grinding machine for profile tools, especially for wood and plastic working machines Jun. 17, 1980
4203693 Duplicating machine for tubular keys May. 20, 1980
4199901 Grinding machine Apr. 29, 1980
4172343 Ice skate sharpener Oct. 30, 1979
4157679 Method of cycling a distensible tracer stylus relative to a pattern and to a workpiece Jun. 12, 1979
4130967 Precision gear crown grinding machine Dec. 26, 1978
4130968 Mechanism for controlling movements of a tool Dec. 26, 1978
4101405 Shaping apparatus Jul. 18, 1978
4092806 Key duplicating machine Jun. 6, 1978
4074416 Mirror and method of making same Feb. 21, 1978
4059925 Machine for forming a curved surface on a workpiece Nov. 29, 1977
4038783 Method and apparatus for generating optic lenses Aug. 2, 1977
4004568 Method and apparatus for dressing regulating wheels for centerless grinders Jan. 25, 1977
3932962 Control apparatus for a machine for grinding the edges of a workpiece Jan. 20, 1976











 
 
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