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Class Information
Number: 83/375
Name: Cutting > Interrelated tool actuating means and means to actuate work immobilizer > Work clamp
Description: Device in which the means cooperating with the tool moving means comprises a plurality of opposed solid jaws or surface elements which are made effective by movement of one or more of said jaws or surface elements to grip the work frictionally and hold it in desired position fixedly with respect to a tool station.

Sub-classes under this class:

Class Number Class Name Patents
83/385 Clamp actuating means driven by tool or tool support 31
83/378 Clamp driven by reaction from tool force 7
83/388 Clamp driven by yieldable means 6
83/383 Clamp moved by direct impact of tool or tool support 13
83/376 Tool deflected by guide on tightened clamp 4
83/382 Tool or tool support on movable clamp jaw 31
83/379 With means providing for plural steps in clamping stroke 6
83/381 With provision for manual control of clamp 3
83/380 With sequencing means 15

Patents under this class:

Patent Number Title Of Patent Date Issued
8640586 Method and apparatus for facilitating cutting of a unit dose blister card Feb. 4, 2014
8631728 Radial centering surface of a stator core Jan. 21, 2014
8528453 Water jet cutting device with improved part-holding device Sep. 10, 2013
8132488 Sheet cutting device and sheet post-processing device Mar. 13, 2012
7802504 High speed transverse cutter for webs Sep. 28, 2010
7722020 Arrangement and a method for clamping thin rods May. 25, 2010
7070078 Automatic optical-fiber cutter Jul. 4, 2006
5839338 Wire steel rope cutter machine Nov. 24, 1998
5802938 Slitter for use with rolled material Sep. 8, 1998
5802948 Method for sharpening crayons Sep. 8, 1998
5791222 Tool for cutting an open-profile setion, particularly a gutter Aug. 11, 1998
5740710 Device for cutting sheets of material Apr. 21, 1998
5628502 Low force sheet hole punching system in output compiler of reproduction apparatus May. 13, 1997
5488886 Method of optimizing a machine that cuts material Feb. 6, 1996
5445053 Sheet cutting and placing apparatus, related method, and related package Aug. 29, 1995
5280741 Thread dispenser with cutter Jan. 25, 1994
5134912 Tab tape singulation apparatus and method Aug. 4, 1992
5105699 Slicing orifice Apr. 21, 1992
5062336 Hot shearing apparatus Nov. 5, 1991
4909110 Tube clamping apparatus Mar. 20, 1990
4805500 Horizontal band saw machine Feb. 21, 1989
4781093 Multi-power cutter Nov. 1, 1988
4756220 Safety mechanism for saws Jul. 12, 1988
4730761 Cutting flexible formed products from foam retaining sheet Mar. 15, 1988
4664004 Constant-volume sample cutter May. 12, 1987
4662258 Means and method for bevel cutting May. 5, 1987
4656902 Metal stamping tool with working parts removable while on the machine Apr. 14, 1987
4637288 Safety mechanism for saws Jan. 20, 1987
4589314 Film cutter May. 20, 1986
4458570 Sheet material dispenser Jul. 10, 1984
4455904 Work frame cutting support Jun. 26, 1984
4313359 Device for cutting vertical paper sheets Feb. 2, 1982
4305318 Power frame saw Dec. 15, 1981
4228707 Cutter for cutting match splints Oct. 21, 1980
4202853 Method for constructing breast cups May. 13, 1980
4046041 Clamping and feeding device for cold saws Sep. 6, 1977
4009631 Device for holding pieces of lumber when they are cut Mar. 1, 1977
3992966 Punch assembly for film products with work clamping means Nov. 23, 1976
3949631 Punching holes in thin sheet material Apr. 13, 1976
3945287 Sheet shear Mar. 23, 1976

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