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Six-year-old Robert W. Patch granted a patent for a "toy truck".
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| Number | Title | Issue Date |
| 7244523 | Magnetic tape and method for manufacturing the same A method for manufacturing a magnetic tape includes a step of setting a cutting start angle between the disk-like upper blade and the disk-like lower blade overlapping each other and rotating in opposite directions at the time that cutting of the broad magnetic tape... | 07/17/2007 |
| 7225527 | Method of manufacturing magnetic tape When a magnetic tape material is slit into a plurality of magnetic tapes, projections are formed in edge portions of side surfaces of the magnetic tapes. The projections are removed by pressing cutting tools against the edge portions of the side surfaces of the magn... | 06/05/2007 |
| 7028596 | Rotary cutting unit A circular-cutter unit for equipment cutting flat lengths of material and sheet metal in a horizontal plane has upper and a lower circular blades both in planes perpendicular to the horizontal plane and in a longitudinal direction, carried by an upper and lower blad... | 04/18/2006 |
| 7013779 | Active sawguide assembly and method A sawguide assembly includes a plurality of sets of sawguides, the sawguides within each set positioned adjacent to one another to create an array of laterally-abutting sawguides. Corresponding sawguide biasing assemblies bias the sawguides in each set against one a... | 03/21/2006 |
| 7000517 | Machine for cross cutting a material web A machine for cross cutting a material web has a main frame part unitarily formed with a pair of transversely spaced main sides and with at least one main traverse extending transversely between the main sides and a secondary frame part unitarily formed with a pair ... | 02/21/2006 |
| 6988438 | Active sawguide assembly and method A sawguide assembly includes a set of sawguides positioned adjacent to one another to create an array of laterally-abutting sawguides. A sawguide biasing assembly biases the sawguides against one another. The array is supported for movement along a lateral path gene... | 01/24/2006 |
| 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 |
| 6729217 | Device for breaking nicks connecting two edges of a cutting line This device comprises a frame carrying means for conveying blanks according to a substantially plane path and two parallel shafts (10, 11), which are mounted so as to be rotatable on both sides of the plane of said path and comprising tool supports (19... | 05/04/2004 |
| 6612216 | Active sawguide assembly and method A sawguide assembly includes a set of sawguides positioned adjacent to one another to create an array of laterally-abutting sawguides. A sawguide biasing assembly biases the sawguides against one another. The array is supported for movement along a latera... | 09/02/2003 |
| 6231492 | Cutting drum having circumferentially adjustable cutting blades for use on a rotary press folding machine An adjustable cutting bar having a pair of cutting blades for use on a rotary press folding machine includes a rotatable shaft supported on a frame, a first cutting blade secured to the shaft for common rotation therewith, and a second cutting blade rotat... | 05/15/2001 |
| 5873293 | Method and device for slitting magnetic recording medium A method and device for slitting a magnetic recording medium which can maintain high cutting quality of the cutting edges of upper and lower rotary blades by adjusting the device slightly even if the cutting edges are worn to a certain degree and thus ens... | 02/23/1999 |
| 5761979 | Edge trimming and board ripping apparatus and method An improved saw assembly (30) includes a rotatable arbor (74) on which two or more saw blades (75) are mounted. The driving interface (96, 98) between the saw blades and the arbor permits the axis of rotation of the saw blades to be collinear with the arb... | 06/09/1998 |
| 5373766 | Slitter knife holder A holder for a circular cutting knife for slitting sheet metal, comprising a precision ground mounting shaft for attaching the cutting knife, the mounting shaft rotatably retained within a housing by engaging sets of high precision ball bearings. The ball... | 12/20/1994 |
| 5370026 | Cutting unit for cutting off material in strip form Cutter for material in strip form preferably of paper having a hollow supporting body (20), a blade holder head (12), a shaft (18) equipped with a piston (24) running in the cavity (21) of the supporting body and connected to the blade holder head (12) by... | 12/06/1994 |
| 5247865 | Apparatus for subdividing running paper webs into narrower webs Apparatus for subdividing a running web into narrower webs has a counterknife which is driven to rotate about a substantially horizontal axis. A second knife is freely rotatably mounted in a holder at a level above the counterknife. The holder is carried ... | 09/28/1993 |
| 5134917 | Apparatus and method for making V-groove insulation and tank wrap Disclosed is an apparatus and method of fabricating tank wrap of desired thickness having fibers oriented generally in the thickness direction from lengths of insulation material having fibers oriented generally in the length direction. The method compris... | 08/04/1992 |
| 4884485 | Plate cutting device capable of being used to cut a plate along a curve A plate cutting device is provided which is capable of being used to cut a plate along a curve. It is a design directed to the disadvantages such as labor-consumption, awkwardness, incapability of cutting along a curve, and incapability of cutting a large... | 12/05/1989 |
| 4676133 | Flat-rolled metal product cutting apparatus A flat-rolled metal product cutting apparatus comprises a support installed at the side of the travel line of a flat-rolled metal product, a first and a second chock attached to the support to rotatably support an arbor of a first and a second rotary knif... | 06/30/1987 |
| 4614142 | Circular cutter shears for the longitudinal edging of plates and sheets Circular cutter shears are provided with an upper circular cutter shaft inclined towards the surface of the plate and a horizontally mounted lower circular cutter shaft. In order to prevent narrowing of the cutter clearance and jamming in the cutting enga... | 09/30/1986 |
| 4590829 | Food slicing method and apparatus A food slicing method and apparatus includes blades mounted on a shaft for rotation therewith, the blades successively converging and diverging to slice the food pieces as the shaft rotates. An inlet flume conveys the food pieces to and through the rotati... | 05/27/1986 |
| 4438673 | Slitter mounting bracket A slitter apparatus for cutting a continuous web is disclosed comprising a slitter blade and a slitter mounting bracket. The bracket comprises a threaded depth-post assembly, a spring unit for maintaining the desired tension at the cutting surface, and a ... | 03/27/1984 |
| 4257298 | Apparatus for cutting paper sheets or the like Apparatus for cutting paper sheets wherein a first knife, which is freely rotatable on a shaft, is movable sideways toward and away from a driven counterknife. The shaft is reciprocable in a carrier which is connected with one end of a reciprocable and tu... | 03/24/1981 |
| 4232577 | Apparatus for longitudinally cutting webs of material In a slitting apparatus for a web of material such as paper, comprising a circular knife which, in its operation position, co-operates with one of a plurality of counter-blades defined at the periphery of a grooved roller, the rotary axis of the knife in ... | 11/11/1980 |
| 4210045 | Slitter having adjustable circular knives A slitter for web material comprises at least one pair of rotatable circular knives each comprising a lower cup knife and an upper disc knife which plunges into the web material during use. The upper disc knife is disposed with its axis perpendicular to t... | 07/01/1980 |
| 4080859 | Shears for cropping wire, moving at high speed Shears, for cropping wire, and including on the one hand, two rotating cutting bodies overlapping to shear the wire, in the form of cylindrical discs whose planes form a right angle with one another, and on the other hand, means for achieving relative mot... | 03/28/1978 |
