Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7316604 | Aircraft transparency polisher and/or surface refinisher A machine for polishing aircraft windows including a window positioner device securable to the side of an aircraft, a frame for holding a polishing system attachable to the window positioner device, a robot seat frame system attachable to the frame, and a robot secu... | 01/08/2008 |
| 7137873 | Grinding method for workpiece, jet guide means and jet regulation means used for the method A grinding method is provided which can grind a processing surface of a workpiece by a blast processing without use of specific abrasives to obtain a glossy surface such as a mirror surface. Abrasives together with compresses fluid are injected to the processing sur... | 11/21/2006 |
| 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 |
| 6821193 | Material positioning and shaping system apparatus An apparatus, system, and method thereof for material positioning and shaping. The apparatus includes a two-section positioning system which includes a guide and follower thereon for positioning along a path. ... | 11/23/2004 |
| 6702659 | Profiling device A device is provided to assist in the cutting, mitrering, chamfering, and similar operations of ceramic and other tiles. The device can be readily attached to, and subsequently removed from, a cutting implement, such as an angle grinder or a circular saw ... | 03/09/2004 |
| 6616515 | Universal jointing attachment for inserted tooth carbide heads A method and jointing attachment 10 for jointing the inserted tooth carbide heads 105 on the top 102 and bottom 103 rotary cutter heads of a thickness planer 100 having a movable carriage 104 that supports the bottom cutter head 103 and is provided with a... | 09/09/2003 |
| 6585578 | Girinding wheel machine bracket adjustable in angle A grinding wheel machine bracket comprises a fixations eat having a long through hole to receive a screw for fastening the fixation seat with a grinding wheel machine. The fixation seat has a pivoting seat with an axial hole, and a pointer located at the ... | 07/01/2003 |
| 6183355 | Adapter apparatus for sanding, grinding or buffing An adapter apparatus for use with a power operated surface preparation device comprising an upper cap positioned on a first end of a stainless steel spring and a lower cap positioned on a second end of the spring. The center of the upper cap has a threade... | 02/06/2001 |
| 5928068 | Superfinishing apparatus using film abrasive A superfinishing apparatus has an abrasive film feed mechanism for feeding out and winding up an abrasive film (4). The apparatus includes a backup roll (2) for pressing and vibrating the film against a workpiece. A guide member (3) is provided for the fi... | 07/27/1999 |
| 5832913 | Tile saw accessory An accessory for a wet diamond tile saw that allows the saw operator to cut accurate and consistent angled cuts in both planar and non-planar tile and related materials such as stone. The accessory has a slot in the bottom which sits over the fence on the... | 11/10/1998 |
| 5462476 | Blade sharpening device The blade sharpening device is an adjustable multi-angle edge sharpening unit comprised of a base connected to a rotatable sharpening stone table and a vertically adjustable blade support table. A hand movable sharpening stone is positioned on the sharpen... | 10/31/1995 |
| 5421126 | Sander attachment for attaching to an existing fence The invention is to a jig that may be either temporarily or permanently mounted for use on a simple, low cost, belt or drum sander. On a belt sander, the jig is placed over the fence on the sander and secured thereto by thumb screws, or may be bolted to t... | 06/06/1995 |
| 5373666 | Grinding wheels for the machine working of marble and granite A shaped diamond wheel, at certain height, determined by both the type of grinding wheel which is being used and the working stage, is provided with a rotating feeling pin, consisting of a metal element a few millimeters high which projects for few hundre... | 12/20/1994 |
| 5274963 | Flush-mount sink assembly method The flush-fit mounting of an accessory such as a sink or bowl in a surface of hard material such as granite or marble can be achieved by a method comprising the steps of: forming an opening in the mounting surface for seating the accessory within the peri... | 01/04/1994 |
| 5233744 | In site flywheel repair apparatus Method and apparatus are provided for repairing machine drive elements and particularly vehicle flywheels in situ. The apparatus includes a jig assembly mountable on a transmission housing and provided with a supporting surface including a slide mount ass... | 08/10/1993 |
| 5199225 | Blade sharpening guide A sharpening guide is provided for manual sharpening of a blade at a fixed angle on a sharpening stone. The guide is an elongate, wedge-shaped strip coated on one face with adhesive. It is removably adhered to one face of a blade to be sharpened. The seco... | 04/06/1993 |
| 5138797 | Grinding guide assembly for a hand-held grinding machine for buttons of a button drill bit An arrangement in hand-held grinding machines intended for grinding the buttons of button drill-bits and provided with a driven spindle which carries a grinding disk. The grinding disk presents a profiled groove for shaping respective buttons of the bit t... | 08/18/1992 |
| 4744178 | Grinding device A hand held grinding device for sharpening drill bits comprises a pair of bearing members which rotatably support a grinding wheel fast on a shaft. Portion of the shaft is engagable with the chuck of a drill. A guide plate with grooves for various size ra... | 05/17/1988 |
