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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7494403 | Knife sharpener with improved knife guides Various forms of knife guides are provided for knife sharpeners to minimize damage to the knife blade. The knife guides include the provision of flexible fibers on the guide surface and further include rings, such as O-rings on an array of rollers when the rollers a... | 02/24/2009 |
| 7326102 | Apparatus for lapping thin film magnetic heads A lapping method and apparatus is provided that increases the yield rate in the magnetic head slider manufacturing process. According to the invention, an apparatus for lapping thin film magnetic heads includes a jig block and a lapping plate. The jig block includes... | 02/05/2008 |
| 7281969 | Tool sharpening and compound honing jig A holder, guide, or jig for sharpening tools is disclosed, in which the jig holds and orients a tool to be sharpened to properly align the tool on or against abrasive wheels, discs, or sharpening stones, thereby creating a fine, square, beveled edge on the tool, at ... | 10/16/2007 |
| 7270735 | System and method for holding and releasing a workpiece for electrochemical machining A system and method are described for holding and releasing a workpiece for electrochemical machining. In one embodiment, a workpiece holder has a workpiece surface that couples to the workpiece when negative pressure is applied to provide a seal between the workpie... | 09/18/2007 |
| 7261621 | Pad conditioner for chemical mechanical polishing apparatus A pad conditioner may include a surface having a first region including a portion having relatively irregular shaped and friable polishing particles, and a second region including a portion having relatively regular shaped and tough polishing particles. The relative... | 08/28/2007 |
| 7220170 | Blade sharpening machines The invention concerns a blade sharpening machine that can be driven either by manual or automatic control. The blade sharpening machine possess two rotating grinding wheels and a mechanism for supporting the blade to be sharpened so that said blade can be sharpened... | 05/22/2007 |
| 7210982 | Method and apparatus for polishing a substrate The present invention is to provide a method and device for polishing a glass substrate, suitable for polishing a large-sized glass substrate. The device for polishing a substrate is adapted so that a substrate is attached to a film stretched on a frame; the ... | 05/01/2007 |
| 7175514 | Polishing fixture assembly for a fiber optic cable connector polishing apparatus An apparatus that mass polishes a variety of fiber optic cable connectors simultaneously. The apparatus includes a plurality of polishing plates, each capable of holding its own polishing film and pad, and having a varying height. The apparatus further includes a pl... | 02/13/2007 |
| 7169026 | End face polishing apparatus An end face polishing apparatus has a jig plate for supporting at least one workpiece having an end face and a polishing plate mounted for undergoing movement. A polishing member is mounted on the polishing plate for undergoing movement therewith to polish the end f... | 01/30/2007 |
| 7165894 | Polishing fixture An end face polishing apparatus with improved polishing precision regardless of the length of ferrules when end faces of the ferrules are polished is provided. In an end face polishing apparatus polishing a rod-shaped member mounted at a polishing fixture by pressin... | 01/23/2007 |
| 7157792 | Forming a substantially planar upper surface at the outer edge of a semiconductor topography A method is provided for processing a semiconductor topography such that its upper surface is substantially planar, particularly including a region adjacent to an outer edge of a semiconductor topography. The method may include preferentially removing a portion of a... | 01/02/2007 |
| 7134936 | Grinding head for a grinding machine for glass slabs, and machine equipped with such head A grinding machine (1) for glass slabs (2) comprising a grinding head (77) that comprises a supporting structure (9), grinding wheels (20, 28) for grinding and polishing the edge of the slab (2), and grinding wheels (24, ... | 11/14/2006 |
| 7134939 | Method for reducing wear of mechanically interacting surfaces The invention is about reducing friction and wear and risk of seizure of mechanically interacting lubricated surfaces. A working surface of a mechanical piece engaged with another piece in relative sliding movement is processed for reduced friction. Two distinctly s... | 11/14/2006 |
| 7118291 | End face polishing apparatus An end face polishing apparatus has a support member mounted on the main body for undergoing revolving and rotational movement during a polishing operation, a tubular member mounted on the support member for rotation and revolving movement therewith, a lapping membe... | 10/10/2006 |
| 7115020 | Lapping system with mutually stabilized lapping carriers A lapping system for eliminating crowning in a surface to be lapped includes a first lapping carrier adapted to carry a first workpiece and a second lapping carrier adapted to carry a second workpiece. A stabilizer assembly interconnects the first and second lapping... | 10/03/2006 |
| 7115022 | Method and apparatus for polishing a substrate The present invention is to provide a method and device for polishing a glass substrate, suitable for polishing a large-sized glass substrate. The device for polishing a substrate is adapted so that a substrate is attached to a film stretched on a frame; the ... | 10/03/2006 |
| 7112124 | Rotary blade sharpener A rotary blade sharpener is comprised of a motorized platen positioned in a housing with a surrounding wall and an open top. An abrasive sheet with an adhesive bottom surface is adhered to a disc, which is tightened to the platen by a knob. The disc is color coded t... | 09/26/2006 |
| 7107684 | Blade sharpening for electric shavers Apparatus, kits, and methods for sharpening electric shavers having rotary and reciprocating-type cutting members are disclosed. A sharpening apparatus in accordance with an exemplary embodiment of the present invention may include an applicator tray or other applic... | 09/19/2006 |
| 7086931 | Magnetic head bar holding unit, lapping device, and method of lapping medium-opposing surface of thin-film magnetic head The heaters in the respective thin-film magnetic head in the bar are electrically connected to its neighbors, and a variable resistor is connected to each of the heaters in parallel. The resistance of each of the variable resistors is varied depending on the amount ... | 08/08/2006 |
| 7063602 | Mounting apparatus for polishing end faces of optical fibers A mounting apparatus for polishing end faces of optical fibers, comprising a main body with fixing grooves; a fixing rod is accepted in each fixing groove; the upper end of the fixing rod is combined with the supporting stand; the bottom of the fixing rod has diamet... | 06/20/2006 |
| 7033247 | Electric sharpener The invention relates an electric sharpener, comprises a main frame, a main shaft, a motor, a transmission wheel, a grinding stone, and an electric control circuit. The motor is mounted on an angular frame which in turn is mounted on the main frame. The transmission... | 04/25/2006 |
| 7014532 | Lapping machine, lapping method, and method of manufacturing magnetic head A lapping machine comprises a lapping surface plate (1) rotated by a rotating mechanism, a lapping jig (28) having a plurality of projections to bottom surfaces of which a work (30) to be lapped by a lapping surface on the lapping surface plate ... | 03/21/2006 |
| 7001080 | End face polishing method An end face polishing method provides an end face polishing apparatus having a main body, a jig board mounted on the main body and supporting at least one workpiece, a polishing board mounted on the main body for undergoing rotational and revolving movements relativ... | 02/21/2006 |
| 6971949 | Sharpening guide for dental tools A sharpening guide for a dental tool is provided, with the dental tool having a handle, a working portion, and a shank extending between the handle and the working portion. The sharpening guide includes a guide body and at least one opening formed in the guide body ... | 12/06/2005 |
| 6955590 | Ice resurfacing blade sharpener Blade sharpener apparatus and method for ice resurfacing machines which can include a tabletop for laying a longitudinal blade from an ice resurfacing machine thereon in a stationary position. A moveable carrier assembly attached to the table includes a drill press ... | 10/18/2005 |
| 6932686 | Piston ring grinder A piston ring grinding device (10) includes a base portion (12) which is provided with spaced collars (21, 22) which receive an axle (28). A grinding wheel (26) having an abrasive surface (27) is carried by the axle (28 | 08/23/2005 |
| 6913513 | Polishing apparatus A polishing apparatus comprises a polishing table having a polishing surface, a top ring for holding a substrate and pressing a surface of the substrate against the polishing surface to polish the surface of the substrate, and at least one optical measuring device d... | 07/05/2005 |
| 6910959 | Fixture for a grinding or polishing wheel A fixture (1) for guidance of a tool having a cutting edge with respect to the periphery of a rotating grinding or polishing wheel (2), comprising a frame structure that runs along the periphery (6) of the wheel and has a guide formed as a slot ... | 06/28/2005 |
| 6908373 | Shear blade sharpener method and apparatus Blade sharpener apparatus and method for ice resurfacing and paper cutting machines includes a table for laying a longitudinal blade in a stationary position thereon. A moveable carrier assembly attached to the table has a drill press power head that is lowered from... | 06/21/2005 |
| 6905398 | Chemical mechanical polishing tool, apparatus and method A chemical mechanical polishing tool, apparatus and method. The polishing tool includes a central polishing assembly comprised of a central pad mount on a central shaft. That central pad mount beneficially retains a center polishing pad. Also included is a ring poli... | 06/14/2005 |
| 6846224 | Surface planarization equipment for use in the manufacturing of semiconductor devices Surface planarization equipment of a semiconductor wafer safely transfers wafers to an unloading cassette. In addition to the unloading cassette, the surface planarization equipment includes a loading cassette configured to hold wafers awaiting surface planarization... | 01/25/2005 |
| 6800021 | End face polishing apparatus An end face polishing apparatus has a jig plate for supporting at least one workpiece having an end face, a polishing plate mounted for undergoing movement, and a polishing member mounted on the polishing plate for undergoing movement therewith to polish the end fac... | 10/05/2004 |
| 6726539 | Apparatus and method for polishing end-surface of ferrule A ferrule end-surface polishing apparatus for polishing an end-surface of a ferrule for an optical fiber is provided. The apparatus includes a ferrule holder having a holder block capable of sandwiching a cylindrical portion of a ferrule, and a guide block for guidi... | 04/27/2004 |
| 6676495 | Power sharpening system A powered sharpening system utilizing a turntable to rotate reversible, interchangeable platters carrying different grades of abrasive for grinding, polishing and lapping woodworking and other edge tools to be sharpened that are secured in a tool holder t... | 01/13/2004 |
| 6641472 | Polishing pad assembly for fiber optic cable connector polishing apparatus An apparatus that mass polishes a variety of fiber optic cable connectors simultaneously. The apparatus includes a plurality of polishing plates, each capable of holding its own polishing film and pad, and having a varying height. The apparatus further in... | 11/04/2003 |
| 6626745 | Precision drill sharpener and grinding wheel assembly therefor A precision drill sharpener and grinding wheel assembly is provided, as is a corresponding drill chuck for use with the drill sharpener, in which the drill sharpener includes a lever and spring clip alignment subassembly for properly positioning a drill i... | 09/30/2003 |
| 6604989 | Manufacturing method and apparatus for magnetic head sliders Disclosed herein is a method including the steps of cutting a wafer to prepare a row block having a plurality of head elements arranged in a matrix, bonding a plate member to one side surface of the row block, bonding a row tool to another side surface of... | 08/12/2003 |
| 6544103 | Method to determine optimum geometry of a multizone carrier The invention is a method for optimizing the geometry of a plurality of zones in a multizone carrier used in a CMP process. This allows a multizone carrier, with a limited number of zones, to be designed that is able to apply, as closely as possible for t... | 04/08/2003 |
| 6439973 | Polishing device, end face polishing apparatus having polishing device, and end face polishing method An end face polishing apparatus in which whereas a jig board mounted with a rod-like member is supported by an apparatus main body by a supporting mechanism, a polishing board mounted with a polishing member for polishing the rod-like member is supported ... | 08/27/2002 |
| 6375539 | Lapping machine, lapping method, and row tool A lapping machine for lapping a row bar includes a lap plate for providing a lapping surface, a row tool having a plurality of bend cells formed by defining a plurality of slits, a pressure mechanism for pressing the row tool toward the lapping surface of... | 04/23/2002 |
