Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7431637 | Saw-setting machine for saw chain It is to provide a saw chain sharpener such that while a saw chain is clamped at both ends by a holding plate, which is supported forward of a handy type electric motor, so as to stabilize its sharpening posture, a grinding tool such as a round rod-shaped grinding t... | 10/07/2008 |
| 7329172 | Rotary mower blade sharpener having movable griding wheels A device and method for sharpening a mower blade are provided, in which a mounting device for mounting a rotary blade having two opposite cutting edges to be sharpened, wherein the mounting device is capable of positioning the blade in a first fixed state and a seco... | 02/12/2008 |
| 7220161 | Automatic sharpening system for ice-skates A method is for using a skate-grinding device. The method provides an automatic sharpening system (10) that has grip members (14, 16) and a grinding wheel (28). A blade (18) of a skate (20) is inserted into a groove (19). Th... | 05/22/2007 |
| 7206657 | Real-time measurement of tool forces and machining process model parameters A system and method are provided for real-time measurement of tool forces. A relationship between a motor characteristic and tool forces is determined by first directly measuring tool forces for a standard tool, work piece, and part program in a central facility. A ... | 04/17/2007 |
| 7189143 | Machine for superfinishing by honing A honing machine for super finishing workpieces, e.g. by honing using a tool spindle (7), can be rotatably driven and can receive a tool. A motor rotates the tool spindle, the tool spindle (12) being arranged on a carriage (12), which can be dis... | 03/13/2007 |
| 7186173 | Tool particularly for milling operations A tool, particularly for milling operations, capable of being driven in rotation about its own main axis. The tool has a core provided with a plurality of abrasive elements extending from the core radially to the axis and spaced apart from each other angularly. Betw... | 03/06/2007 |
| 7143995 | Motorized cam actuator A motorized cam actuator for linear actuation of an apparatus. An actuating motor shaft is fitted with a bushing having first and second opposed flats and a threaded portion at an outer end thereof. With the motor mounted to a pedestal, the bushing is rotated on the... | 12/05/2006 |
| 7090569 | Manual clutch device for a roller sander for controlling reciprocating movement of a roller A clutch device for a roller sand for controlling reciprocating movement of a roller includes a belt wheel, a connecting shaft and a adjusting button. The roller sander consists of a base, a motor set, a roller set and a linking device. The belt wheel is pivotally c... | 08/15/2006 |
| 7091324 | Prevention and treatment of HCV infection employing antibodies directed against conformational epitopes Conformational epitopes of the envelope protein E2 of the Hepatitis C virus (HCV) have been identified and characterized using a panel of monoclonal antibodies derived from patients infected with HCV. These conformational epitopes have been determined to be importan... | 08/15/2006 |
| 7066798 | Adapter for grinding machine Disclosed is an adapter for grinding machine comprising: a grinding shaft sleeve of cylindrical shape whose one end is open and having at least one through hole formed at a selected position of an outer circumference; a grinding shaft rotatably and movably fitted in... | 06/27/2006 |
| 7014544 | Reciprocating and deflecting swing device for the roller of a cylindrical emery-polishing machine A reciprocating and deflecting swing device for the roller of a cylindrical emery-polishing machine includes a motor fixing base having its inner side provided with a lower holder engaged thereon with an upper holder, with an emery-tape roller fitted in the upper ho... | 03/21/2006 |
| 6979247 | Method and apparatus for grinding cam with re-entrant surface A workpiece W and a grinding wheel G are relatively moved in Z and X-axis directions perpendicular to each other, the rotational axis of the grinding wheel is inclined relative to the X-axis, and the grinding wheel is composed of a taper section Ga having a generati... | 12/27/2005 |
| 6973367 | Method for producing a bore In a method for machining bores of workpieces with a desired nominal shape of the bores in operative condition, a bore with a desired nominal shape in inoperative condition is produced in a workpiece and the workpiece is then put in operative condition. A deviation ... | 12/06/2005 |
| 6966825 | Wall/roof polisher This invention discloses a large-scale wall polisher that is operated by a single operator and applicable to polish different rooms, external walls, and ceilings and with dust absorption and positioning functions; in addition, as a complement to the large-scale mach... | 11/22/2005 |
| 6923713 | Cylindrical grinder, and mechanism for producing relative movement between grinding wheel and workpiece in cylindrical grinder A cylindrical grinder includes a workpiece support section adapted to support a generally cylindrical workpiece and rotate the workpiece about a rotational axis, and a wheel head adapted to support and rotate a grinding wheel. The wheel head is moved relative to the... | 08/02/2005 |
| 6910945 | Honing method and honing apparatus In a coarse honing step in a section (101), a honing head (15) provided with coarse honing hones (17) is inserted into a cylinder bore (13) of a cylinder block (11), the honing head 15 is rotated while axially moving it, and... | 06/28/2005 |
| 6893324 | Angle head grinding apparatus A computer controlled grinding machine grinds a cylindrical region and an annular shoulder of a rotatable workpiece. Relative movement is effected between the workpiece and a grinding wheel along a line of action which subtends an angle of approach of less than 90 d... | 05/17/2005 |
| 6645048 | Equipment for grinding/polishing a curved or flat wall element An apparatus for grinding and/or polishing a surface of a wall element includes a first elongate guide device oriented substantially parallel to the surface of the wall element. A second elongate guide device is movably coupled to the first elongate guide... | 11/11/2003 |
| 6585462 | Device in a tool holding assembly for moving a rotatable shaft in the axial direction A device in a tool holding assembly for axially moving a rotatable shaft on which is arranged at a first end of the shaft a device for performing work during rotation of the shaft includes an electric motor for rotating the shaft, and at least one bearing... | 07/01/2003 |
| 6276988 | Fully automatic scrapper grinder This specification discloses an improved fully automatic scraper grinder, which is modified from a conventional semi-automatic model. It comprises an emery wheel base, a set of upper and lower fine tuning devices driven by a motor provided thereon, and a ... | 08/21/2001 |
| 6273784 | Surface treatment method and apparatus for support of lithographic plate There is provided at least one of a moving device for moving a graining brush in the width direction of aluminum web and a turning device for turning the graining brush so that the graining brush can be placed obliquely against a transporting direction of... | 08/14/2001 |
| 6200204 | Roll grinder with vibration dampening A roll grinder system including a roll grinder bed of high dynamic stiffness, having a roll support and a grinding wheel support fixedly mounted to the roll grinder bed. The roll grinder bed is comprised of a monolithic epoxy granite block with a steel pl... | 03/13/2001 |
| 5700182 | Apparatus and method for automated honing of elongated straight-edged cutting blades An apparatus and method for automated honing of elongated straight-edged cutting blades such as those used in the printing and binding industry for the trimming of books or pamphlets and the like, wherein a sharpened blade which has been ground on other e... | 12/23/1997 |
| 5695390 | Finishing machines for internal spline tooth surfaces A finishing machine for internal spline tooth surfaces which comprises a holding device for holding a work having the internal spline tooth surfaces, a grinding stone having a plurality of tooth portions for simultaneously processing a plurality of tooth ... | 12/09/1997 |
| 5667425 | Device for centering and clamping a component with a view to lapping it using an expansion lap Device for centering and clamping a component (1) with a view to lapping it, comprising a rest (10) for applying the component (1) against a fixed stop (3), a first piston (7) with a long stroke and a second piston (8) with a short stroke interposed betwe... | 09/16/1997 |
| 5655955 | Method and tool for improving the structure of the inner faces of working chambers of machines and motors In place of conventional machining of cylinder paths or tracks of piston engines, a honing machining without a rotary component is performed at least as a final machining operation so that the remaining small honing tracks are directed longitudinally and ... | 08/12/1997 |
| 5649852 | Sanding apparatus A variable reciprocating and rotating sanding apparatus comprises a drive shaft that is partially surrounded by first and second cams. The cams cooperate to form a cam track. A cross shaft is connected to the drive shaft and extends outwardly therefrom. T... | 07/22/1997 |
| 5353550 | Steel ball polishing apparatus A steel ball machining apparatus comprises a cylindrical ball storing vessel having an opening, a steel ball machining mechanism, a steel ball supply path for supplying steel balls to said machining mechanism from the opening in said vessel, a steel ball ... | 10/11/1994 |
| 5305556 | Method and apparatus for shaping the interior surfaces of bores A method and apparatus for machining of bores in workpieces is described, where a honing tool, covered with an abrasive material coating and radially pressed against the wall of the bore, simultaneously performs a rotational motion and an axial reciprocal... | 04/26/1994 |
| 5291689 | Method and machining apparatus for use especially in the sanding of items of wood in a sanding machine In order to be able to sand the surface of an item (3) uniformly smooth, a sanding machine is used with sanding tools in the form of sanding rollers (29) which are rotated as well as turned in the same plane, and which at the same time herewith are also m... | 03/08/1994 |
| 5274962 | Method and machining apparatus for use especially in the sanding of items of wood in a sanding machine In order to be able to sand the surface of an item (3) uniformly smooth, a sanding machine is used with sanding tools in the form of sanding rollers (29) which are rotated as well as turned in the same plane, and which at the same time herewith are also m... | 01/04/1994 |
| 5090159 | Multi-purpose grinder A multi-purpose grinding device for sharpening hardware ranging from scissors to saw blades. It comprises a powered grinding wheel which can be moved and oriented in a plurality of positions relative to the item to be sharpened which is held in a fixed lo... | 02/25/1992 |
| 5042202 | Brush-honing machine A brush-honing machine including a brush-honing tool which is displaceable both axially and rotationally thereby displacing a plurality of brush elements of the tool both axially and radially. A step motor is provided the angular movement of which is tran... | 08/27/1991 |
| 5024027 | Tool mounting mechanism for a machine tool A tool mounting mechanism for a machine tool, particularly for surface grinding machines, comprises a spindle sleeve, in which a tool spindle, such as a grinding wheel spindle, is mounted without a backlash. The tool spindle has mutually opposite end port... | 06/18/1991 |
| 5001872 | Air jet loom reed apparatus and method Method and apparatus are illustrated for enhancing the air flow characteristics in an air jet loom reed having a tunnel wherein the reed is removed from the loom and positioned in a frame for utilizing a rolling contact by a carriage which conveys measuri... | 03/26/1991 |
| 4993189 | Floating fixture platen A floating fixture platen for use on machine tools having a machine support structure and a machine tool portion rotatable about an axis of rotation, the floating fixture platen including a planar member mounted on the machine support structure in a posit... | 02/19/1991 |
| 4972631 | Oscillatory drive for fine-grinding machine A fine-grinding machine having a tool engageable with a workpiece is oscillated linearly at high speed has a drive comprising a tool-carrying slide having a connecting pin extending along an output axis, an input shaft centered on and normally rotating ab... | 11/27/1990 |
| 4962566 | Machine for cleaning tapped holes used for affixing the covers to armholes and eyeholes in steam generators A machine (3) for cleaning tapped holes (2) distributed around the periphery of an opening (1), e.g., those tapped holes used for peripherally bolting on a cover for an armhole or an eyehole in a steam generator of a nuclear power station. The machine com... | 10/16/1990 |
| 4945685 | Honing apparatus having electrically operated actuator for relative reciprocating movement between honing head and workpiece A honing apparatus for honing a cylindrical surface of a workpiece, including a honing head supporting honing stones, a first drive device having an electrically operated bidirectional actuator for effecting a relative reciprocating movement between the h... | 08/07/1990 |
| 4850760 | Method of finishing gears A workpiece gear to be finished is held in mesh with a gear finishing tool with substantially no backlash therebetween. The gear finishing tool is then driven in mesh with the workpiece gear, and the workpiece gear is rotated in synchronism with the drive... | 07/25/1989 |
