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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7357057 | Paper cutter A paper cutter includes a base with a rail secured thereon, a slide unit, a cutter seat and at least two blades. The base is provided with the rail for the slide unit to slide thereon. The cutter seat is pivotally connected to the slide unit. The cutter seat is prov... | 04/15/2008 |
| 7249551 | Gasket cutter with changeable and reversible dies and punches A gasket cutter with changeable and reversible dies and punches including a body having upper and lower opposed arm members, a cylindrical member slidingly engaged within said upper arm member to be raised and lowered by rotation of a handle attached to the cylindri... | 07/31/2007 |
| 7140285 | Wire chopper module for EDM system A wire chopper module for processing spent electrode emerging from an EDM system employs replaceable inserts that are also movable relative to the feed path of the electrode. Shifting the position of the inserts relative to the feed path of the electrode allows more... | 11/28/2006 |
| 7114423 | Pipe notcher A tool is provided for notching an end of a pipe. A punch is provided with a first cutting edge opposite a second cutting edge. The punch is coupled to a punch holder which is configured to move vertically relative to a collar supported upon a base. A pipe support p... | 10/03/2006 |
| 7044042 | Blade cutting assembly for sheet material The combination of a base, with which at least one sheet layer can be operatively supported to be cut, a guide assembly, and a cutting blade assembly. The cutting blade assembly includes first and second cutting blades. The cutting blade assembly is selectively chan... | 05/16/2006 |
| 6986301 | Punch for a ductile material joining tool The present invention relates to a punch (30) and punch assembly (2) for use in a tool (1) for joining ductile materials, such as metal sheets (7,8), in a lance joint or a clinch joint. The punch (30) has a punch body (31) f... | 01/17/2006 |
| 6948413 | Wire chopper module for EDM system A wire chopper module for processing spent electrode emerging from an EDM system employs replaceable inserts that are also movable relative to the feed path of the electrode. Shifting the position of the inserts relative to the feed path of the electrode allows more... | 09/27/2005 |
| 6925920 | Knife holder and knife for a microtome The invention relates to a knife holder for a microtome having a knife receiver for fixing and positioning a knife and a knife for the knife holder. The knife holder is ergonomic, the operation is made easier and safer, and the knife does not need to be changed as o... | 08/09/2005 |
| 6871673 | Multi-edged cutter A cutting mechanism for use with a strapping tool includes a cutter having a polygonal cross-sectional configuration, a plurality of cutting surfaces defining a pair of elongate cutting edges, and a plurality of retaining recessed. The cutting edges are an in-use ed... | 03/29/2005 |
| 6810783 | Saw tooth A saw tooth of generally parallelopiped shape having top and bottom surfaces, side surfaces and front and back surfaces. Each front and back surface has cutting edges at its top and bottom sides. The cutting edges on each surface are parallel to each other and are a... | 11/02/2004 |
| 6807886 | Knife indexing apparatus The invention is for a knife indexing apparatus for a non-rotating core cutting knife and a means for automatically indexing the knife during core cutting operations. The apparatus employs the discovery that by indexing the knife in the direction of rotation of the ... | 10/26/2004 |
| 6760963 | Ductile material lance joiner The present invention relates to a joiner for lance joining ductile materials, such as metal sheets, and in particular to a joiner including a die assembly and a punch assembly. The die assembly includes a die anvil and an anvil surface. There are at least two die b... | 07/13/2004 |
| 6758121 | Device for cutting a fiber cable A device for cutting a fiber cable, in which a rotationally driven cutter supporting member and a rotatable pressing ring positioned at an incline relative to the cutter supporting member work together to cut the fiber cable. An annular channel formed on the outer c... | 07/06/2004 |
| 5927175 | Stationary and indexable cutter A cutting device for cutting elongate flat-walled tubular stock into preselected lengths which cutting device includes opposed circular cutting blades that are laterally movable to effect a transverse cut across the tubing. The cutting blades are rotatabl... | 07/27/1999 |
| 5848621 | Cutter for steel strapping tool A cutter implement, for use within a cutting tool in connection with the securing of a tensioned steel strap about a package wherein a pair of vertically overlapped end portions of the tensioned steel strap are supported upon an anvil, is provided with a ... | 12/15/1998 |
| 5794500 | Apparatus and method for slitting thin webs Knives (28, 30, 122) are held in tangential, resilient (106, 108) or fixed (132, 136) contact with a surface of an air bar (12-20) or air table (142); so that a web (26) moving on a cushion of air (46) over the air bar or table is cleanly slit into webs (... | 08/18/1998 |
| 5761976 | Knife Assembly The present invention is directed to a knife assembly which is used to cut a rotating tube, such as a paper or plastic tube. The circular knife remains stationary during the cutting. After a number of cuts, the knife becomes dull. The present knife assemb... | 06/09/1998 |
| 5611255 | Food film cutter assembly A cutter assembly for food film includes a rigid planar base with a movable metal strip anvil movably positioned thereon. A slidable cutter arm for forward or rearward movement is attached to a rear axle affixed to the base. The assembly, in one embodimen... | 03/18/1997 |
| 5595769 | Hinged lid latching mechanism The invention relates to a mold apparatus and a process for forming a lid latching mechanism in a thermoplastic container. The lid latching mechanism features a large, trapezoidally-shaped opening hole. The trapezoidal shape has been found to reduce the a... | 01/21/1997 |
| 5549025 | Cutting strip with a cutting edge made of highly wear-resistant material The invention refers to a cutting strip with a cutting edge of highly wear-resistant material, e.g., polycrystalline diamond material, that is laid in solid connection on a base and forms a rail piece together with this base, whereby several rail pieces a... | 08/27/1996 |
| 5544557 | Method and apparatus for cutting superposed webs A method of cutting an elongated multi-ply flat surfaced ribbon of web material which includes advancing the ribbon along a linear path while rotating a pair of cantilever-mounted drums on opposite sides of the path to flank the ribbon flat surfaces, the ... | 08/13/1996 |
| 5520079 | Terminal carrier chipper The invention relates to a terminal carrier chipper for chipping a terminal carrier that couples a plurality of terminals in concatenation during the process of fabricating a wire harness used in electrical circuits. The object of the invention is to prov... | 05/28/1996 |
| 5499664 | Compressive cutting mechanism having plural-edged cutter A cutting mechanism is disclosed, which is useful in a strapping tool of the type used to apply a steel strap in a tensioned loop around a package by means of a series of interlocking joints comprising interlockable shoulders punched into overlapped ends ... | 03/19/1996 |
| 5477761 | Device for dispensing bandages A device for dispensing a bandage material has a container for accommodating a supply of bandage material, a mechanism for advancing the bandage material from the container so as to expose a desired portion of the bandage material outside of the container... | 12/26/1995 |
| 5461953 | Multi-dimension microtome sectioning device A method and apparatus for cutting tissue sections from an organic tissue specimen to generate multiple tissue ribbons having any desired section sequencing. A three-dimensional microtome which allows relative movement between the tissue specimen and the ... | 10/31/1995 |
| 5291814 | Lead frame cutting apparatus for integrated circuit packages An improved lead frame cutting apparatus for integrated circuit packages therefor is disclosed. This apparatus employs symmetrical punches that have multiple cutting edges, and can therefore be positioned to a new cutting edge rather than replacing the pu... | 03/08/1994 |
| 5285707 | Tire cutting machine A machine for cutting tires into a plurality of elongated strips includes parallel cutting shafts having a plurality of cutting wheels mounted for rotation therewith. The cutting wheels are separated by annular spacers on the cutting shafts. A spacer comb... | 02/15/1994 |
| 5146823 | Method and apparatus for precision cutting of corrugated paperboard specimens A method and apparatus for the precision cutting of corrugated paperboard panels into rectangular test specimens, having shapes of predetermined size. A reference rod is inserted through a selected flute in the corrugated paperboard panel, prior to the fi... | 09/15/1992 |
| 5140882 | Assembly for severing sheet material A cut and score die apparatus is provided for progressively converting a sheet of material into blanks. The apparatus includes a punching section for punching scrap material from the sheet of material to define an array of interconnected blanks arranged i... | 08/25/1992 |
| 5085110 | Cutting device for the longitudinal cutting of foil lengths A cutting device for layered or unlayered foil lengths, having good cut quality and an extended period of use before re-grinding of the cutter is required, consists of cylindrically shaped keyway cutter bars with distance rings lying between them, which a... | 02/04/1992 |
| 5058471 | Rod shearing machine A scissors action shearing machine for sectioning reinforcing rod is equipped with replaceable, hardened steel shear blocks affixed to each scissors mounting blade with each such block and blade pierced to provide a communicating aperture through the enti... | 10/22/1991 |
| 5046252 | Cutter for optical fibers A cutter for optical fibers includes upper and lower frames pivotally connected at their ends pivotally movably relative to each other, a cutting blade provided on the upper frame for cutting optical fibers and supporting device provided on the lower fram... | 09/10/1991 |
| 4995289 | Die assembly having improved insert retaining system and having reversible die inserts Die assembly comprises a die plate having one or more die inserts therein. The die plate has a recess within which the insert is positioned. The die opening in the insert extends normally of the oppositely directed major surfaces of the insert so that the... | 02/26/1991 |
| 4949615 | Indexable insert cutters A drum cutter for paper cutting operations has a series of bar-like cutter inserts at angularly spaced positions around its periphery. The inserts are indexable and are held by clamping elements that engage them at points spaced from their ends to draw th... | 08/21/1990 |
| 4947719 | Punch and die system A punch and die system is disclosed as comprising punch and die templets serving to positionally locate punch and die assemblies relative thereto solely adjacent the region at which punching of a workpiece occurs in combination with guide assemblies for p... | 08/14/1990 |
| 4947716 | Punch and die system A punch and die system is disclosed as comprising punch and die templets serving to positionally locate punch and die assemblies relative thereto solely adjacent the region at which punching of a workpiece occurs in combination with guide assemblies for p... | 08/14/1990 |
| 4947717 | Punch and die system A punch and die system is disclosed as comprising punch and die templets serving to positionally locate punch and die assemblies relative thereto solely adjacent the region at which punching of a workpiece occurs in combination with guide assemblies for p... | 08/14/1990 |
| 4947718 | Punch and die system A punch and die system is disclosed as comprising punch and die templets serving to positionally locate punch and die assemblies relative thereto solely adjacent the region at which punching of a workpiece occurs in combination with guide assemblies for p... | 08/14/1990 |
| 4906145 | Replaceable cutter blade An improved machining device is disclosed which is particularly well suited for machining of a wide variety of materials and in particular elastomeric materials such as for example synthetic rubber employed in manufacture of motor vehicle tires. The machi... | 03/06/1990 |
| 4829864 | Plate workpiece processing machine A process a plate workpiece with high precision at high speed, the plate processing machine comprises a workpiece side surface positioning device (SPD) provided with magnet rollers (MR); a workpiece trimming device (TD) provided with a tool actuating swit... | 05/16/1989 |
