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Class Information
Number: 83/389
Name: Cutting > Interrelated tool actuating means and means to actuate work immobilizer > Work clamp > Clamp driven by yieldable means > Drive means is resilient
Description: Device wherein the force-responsive element (solid or fluid) has the characteristics of a spring or its equivalent throughout the expected range of forces applied thereto during normal operation of the machine.

Patents under this class:

Patent Number Title Of Patent Date Issued
5690010 Apparatus in forging machine to cut material Nov. 25, 1997
5363729 Shearing machine Nov. 15, 1994
5292047 Universal movable upper tool for a waste-stripping station situated within a sheet die-cutting machine used for producing packages Mar. 8, 1994
5195414 Shearing machine Mar. 23, 1993
5195413 Shearing tool for punch presses Mar. 23, 1993
4669345 Device for laterally perforating metallic pieces, particularly pressed pieces Jun. 2, 1987
4667553 Notching tool with presser foot May. 26, 1987
4627318 Method of and apparatus for gapping a slide-fastener tape Dec. 9, 1986
4620467 Film cutter Nov. 4, 1986
4611519 Radius corner forming apparatus and method Sep. 16, 1986
4494428 Cutting tool insert assembly for shears Jan. 22, 1985
4294147 Tube cutting apparatus Oct. 13, 1981
4292869 Unitary punch and die assembly Oct. 6, 1981
4274316 Crank press blank holder and stripper mechanism Jun. 23, 1981
4267753 Apparatus for producing a blank from stock material May. 19, 1981
4130040 Cutter assembly Dec. 19, 1978
4130038 Thread parting device for textile machines Dec. 19, 1978
4125045 Sheet punching machine Nov. 14, 1978
4051756 Cutting arrangement Oct. 4, 1977
4012975 High speed punching apparatus and tool therefor Mar. 22, 1977
3992966 Punch assembly for film products with work clamping means Nov. 23, 1976

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