Class 83/375 - Work clamp

Subclass of Class 83 - Cutting
Definition: Device in which the means cooperating with the tool moving
No. of patents: 40
Last issue date: 08/28/2007

Number	Title	Issue Date
7261027	Sawing machine A sawing machine includes a workbench, a band saw pivotally installed on the workbench, a weight movable between an idle position on the workbench and a working position on the band saw and an adjustable torque provider for providing an adjustable torque to the band...	08/28/2007
7258051	Arrangement for cutting an optical fibre An arrangement for cutting an optical fibre comprises a fibre cutter for cutting the fibre. A motor is provided to operate the cutter. To start a cutting movement, the motor is controlled by a control unit in response to a start signal. The start signal is generated...	08/21/2007
7111538	Double acting cam die In order to process by the same step even if the processing directions are different, reduce the number of the constituting parts of the die required for all the steps of the press dying as much as possible, easily design, and easily respond to the design change a d...	09/26/2006
7070078	Automatic optical-fiber cutter An automatic optical-fiber cutter has a main lid, an auxiliary lid interlockingly opened and closed by the opening/closing operation of the main lid, and a slider provided with an edged tool. An optical fiber is pressed at two positions by the main lid and th...	07/04/2006
7047858	Chamfer device for cutting packaging materials A chamfer cutting device for cuffing packaging materials comprises a die and a knife part which has a plurality of knives. The die can be moved toward the knife part in order to carry out a cut. The knives are arranged individually in the knife part in a force-depen...	05/23/2006
6979153	Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ...	12/27/2005
6945401	Emergency storage container for glucose tablets An emergency storage container for glucose tablets including portions to attach the same to an item always carried by most people such as a key holder. The container includes a housing forming a pair of spaced, tablet-receiving pockets and an interconnected cover ha...	09/20/2005
5839338	Wire steel rope cutter machine A wire rope cutter machine has at least a first and pair of jaws for holding the rope to be cut taut and a cutting blade for cutting the rope. The cutting blade has a "V"-shaped cutting edge and the bottom jaw of the first pair of jaws has a "V"-shaped ed...	11/24/1998
5802948	Method for sharpening crayons A crayon sharpening assembly is disclosed comprising an axially rotating cartridge block (106) having an axial bore (178) for axial receipt of a crayon with a forward end of the crayon positioned within a cutting station (152). A pair of convergent sharpe...	09/08/1998
5802938	Slitter for use with rolled material A slitting machine for cutting rolled material is disclosed which is maintained in position through use of a support frame. A support cylinder is unmovably connected to the support frame at one end. An expansion rod is centered within the support cylinder...	09/08/1998
5791222	Tool for cutting an open-profile setion, particularly a gutter A tool including two flat parallel flanges (2 and 3), defining between them a space (4) which corresponds to the thickness of a cutting blade (5) and including two symmetrical slots which have profiles that are roughly identical to that of a gutter (7) so...	08/11/1998
5740710	Device for cutting sheets of material Device for cutting sheets of material, with a counter (12) for the material to rest on, a blade to cut the material, and a holdfast (11) that can be lowered onto the material by a mechanism (10) and raised off it by a spring (6). When the spring in such a...	04/21/1998
5628502	Low force sheet hole punching system in output compiler of reproduction apparatus In a sheet output system with a stacking tray for accumulating, registering, and stacking on top of preceding sheets in a superposed set stack the printed sheets sequentially individually outputted by a reproduction system; a low force sheet hole punching...	05/13/1997
5488886	Method of optimizing a machine that cuts material A method for optimizing the cutting of sheets of material that are stacked on a bench in a cutting machine. Before cutting the sheets, a beam descends to hold the sheets fast while guillotine blade descends and cuts the sheets. After the sheets have been ...	02/06/1996
5445053	Sheet cutting and placing apparatus, related method, and related package An apparatus and a related method are disclosed for cutting a sheet from flexible film wound on a roll and for placing the sheet on a pallet or on a layer of one or more boxes on the pallet. The roll is mounted so that it is rotatable about an axis parall...	08/29/1995
5280741	Thread dispenser with cutter A dispenser for a quantity of a retraction cord where the cord is impregnated with a medicinal substance. The outer free end of the cord is conducted through an outlet hole formed within a cover which closes the access opening into the internal chamber of...	01/25/1994
5134912	Tab tape singulation apparatus and method An apparatus and method for cutting strip or reel form of TAB tape into individual sites ready for further processing. In addition, a lead plating buss may be removed at the same time. A universal and adjustable apparatus includes preferably two cutter as...	08/04/1992
5105699	Slicing orifice The invention is a slicing orifice for use with a foodstuff slicing machine wherein the foodstuffs have been formed into loaves and the slicing machine includes a tray with a bed, a feed guide, a loaf indexing drive, a cutting head, an upper and lower cla...	04/21/1992
5062336	Hot shearing apparatus A hot shearing apparatus for shearing heated round or flat section bars of light metal in billets comprises a stationary shearing ring 8 and a movable shearing ring 11. Both shearing rings are divided into shell halves 21, 22 and 31, 32, respectively, and...	11/05/1991
4909110	Tube clamping apparatus A tube cutting apparatus of the type in which jaws carried by relatively reciprocal slides move into and out of clamping engagement with tubing to facilitate severing of lengths of tubing as the tubing is moving rapidly along its lengthwise axis. Each of ...	03/20/1990
4805500	Horizontal band saw machine A horizontal bandsaw has a main vise positioned slightly to the rear of the cutting location for gripping the workpiece during cutting, a material feed vise positioned to the rear of the main vise for feeding material into the cutting location, and a fron...	02/21/1989
4781093	Multi-power cutter This invention discloses an apparatus for cutting tubular objects such as rubber hoses and the like. It comprises a cutting blade movably positioned within a main body and includes a first and second actuator. A retainer is used to hold the tubular object...	11/01/1988
4756220	Safety mechanism for saws An improvement is set forth in a sawing apparatus having a table supporting a workpiece, a fence for guiding the workpiece and an operator moveable electrically operated saw having a first normally biased off switch controlling application of electric pow...	07/12/1988
4730761	Cutting flexible formed products from foam retaining sheet A method for cutting flexible formed shell product from a flexible plastic foam sheet. In the method, a foam shell formed in the sheet is drawn into and positioned in a die unit lower cavity and the die assembly is clamped together. A cutting die unit hav...	03/15/1988
4664004	Constant-volume sample cutter A cutting device for rubber samples produces constant-volume samples of rubber. The samples are suitable for testing, such as curemeter or rheometer testing, and their constant volume eliminates erratic test results caused by samples which are too large o...	05/12/1987
4662258	Means and method for bevel cutting An automated means and method for cutting matte board and other soft materials. A matte board having a front display surface and spaced rear surface is placed on a planar support in facing contact with the display surface. After the matte is fixed into po...	05/05/1987
4656902	Metal stamping tool with working parts removable while on the machine A stamping machine tool having working parts in the form of one or several matrices and one or several stamps, and a blank-holder guiding the stamp(s) in its(their) displacements and securing in position against this or these matrices during the working s...	04/14/1987
4637288	Safety mechanism for saws An improvement is set forth in a sawing apparatus having a workpiece support structure and an operator moveable electrically operated saw having a first normally biased off switch controlling application of electric power thereto, the switch being positio...	01/20/1987
4589314	Film cutter The present invention relates to an apparatus for cutting motion picture film negatives. The improvements in the present invention film cutting apparatus enable the film cutter to cut the motion picture film negative with a precise, even, clean cut at a l...	05/20/1986
4458570	Sheet material dispenser A dispenser for sheet material includes a housing defining at least one compartment for holding a continuous roll of sheet material. A cover for the compartment, pivotally mounted on the housing, includes a cutting edge located near its free end. The hous...	07/10/1984
4455904	Work frame cutting support A safety attachment for use with cutting apparatus having a cutting member adapted to reciprocate particularly with respect to a fixed frame structure including a support bar mounted for movement with the cutting apparatus and the cutting apparatus having...	06/26/1984
4313359	Device for cutting vertical paper sheets A device cuts vertically fed paper against a cutting edge by means of a carriage driven cutting wheel. There is a chute means downstream from the cutting edge and secured to a pivotable guideway bar, rotated by movement of the carriage during cutting oper...	02/02/1982
4305318	Power frame saw In a power frame saw having a machine frame, workpiece clamping jaws mounted on the machine frame and relatively movable for clamping a workpiece in a fixed position, a guide member pivotally mounted with weight balancing on the machine frame, a saw bow m...	12/15/1981
4228707	Cutter for cutting match splints The invention relates to cutters, and provides a cutter comprising a base and a cutting-blade carrying arm. The base and the arm may be parts of a one-piece plastic molding which incorporates a connection between the base and the arm, which connection per...	10/21/1980
4202853	Method for constructing breast cups Breast cups having various types of cuts or configurations are initially molded from basically flat sheets of flexible fabric on a bust cup mold having a prescribed configuration. The resulting, three-dimensional molded fabric cup then is cut by a die hav...	05/13/1980
4046041	Clamping and feeding device for cold saws A device for feeding a workpiece to the saw component of a sawing machine and for clamping the workpiece during the cutting thereof by the saw component, has first and second clamping jaws supported on a table of the sawing machine and cooperating with on...	09/06/1977
4009631	Device for holding pieces of lumber when they are cut A device for holding lumber to be cut including a conveyor system with an abutment plate and clamping arm to clamp the lumber against the plate. A saw is movable in a plane transverse to that of the conveyor to engage and cut the lumber at a side thereof ...	03/01/1977
3992966	Punch assembly for film products with work clamping means Punching apparatus particularly adapted for use in connection with flexible film materials including cooperatively arranged punch and die assemblies arranged in aligned relationship, and ram means for reciprocably driving or stroking the punch assembly in...	11/23/1976
3949631	Punching holes in thin sheet material An apparatus for punching holes in thin sheet stock includes an improved clamping arrangement which holds the sheet stock firmly during the punching operation in the regions surrounding the hole to be cut as well as in the slug region which is to be cut f...	04/13/1976
3945287	Sheet shear A metal plate shears for cutting large sheets of metal includes a fixed blade, and a movable blade cooperable therewith. The movable blade is mounted on a plate having a plurality of circular apertures therein. Discs are mounted in these apertures, the di...	03/23/1976

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Class 83/375 - Work clamp