A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 7097024 | Conveying device for conveying articles and use of such a conveying device A conveying device for conveying articles, in particular vehicle bodies, in a known manner comprises at least one skid, which comprises two parallel skid runners and a supporting structure, which connects the skid runners to one another, for the article to be convey... | 08/29/2006 |
| 6917136 | Synchronous machine design and manufacturing Synchronous motors according to the invention operate at higher efficiency, with lower cost, reduced mass and reduced cogging. Magnet dimensions are selected that reduce cogging forces to a negligible amount even though there are fewer slots than normal. Optionally,... | 07/12/2005 |
| 6422151 | Toy car with adjustable magnetic adhesion The invention relates to a toy car with adjustable magnetic adhesion for an auto racetrack having ferromagnetic current conductors countersunk in the roadbed. The conductors are in active communication with a permanent magnet countersunk in the chassis of... | 07/23/2002 |
| 6127757 | Levitation device An electromagnetic levitation device comprises an electromagnet (12) which is supported by a structure (13) and is arranged to attract armature (10) carried by another structure (11). Current to the electromagnet (12) is regulated by a control device (16)... | 10/03/2000 |
| 6116179 | Mounting of machinery within a vessel A vessel comprises a cylindrical hull (10) containing a structure (11) carrying machinery (M) supported from the hull (10) by electromagnetic levitation means (12-17) that maintain electromagnetic forces between flux gaps (24) which are arranged to extend... | 09/12/2000 |
| 5970881 | Linear type shuttle with movable linear motor primary A linear-type shuttle has an air pad 4 that blows air toward a track 5, a chassis 2 that floats above the track 5 due to the air pad 4, a primary side 6a of a linear motor that is installed to be vertically movable on the chassis 2 and that drives the cha... | 10/26/1999 |
| 5778796 | Switch system for personal rapid transit An electromagnetic switching system for use in a Personal Rapid Transit (PRT) system having a personal rapid transit vehicle with an attached chassis operating over a network of interconnected guideways. The electromagnetic switching system comprises an e... | 07/14/1998 |
| 5668090 | High-temperature AC superconducting magnets for a magnetic levitation system An electromagnet for a MAGLEV system incorporates at least one superconducting coil, operating in AC mode, which surrounds a multiple-pole iron core and is constructed from a layer of epoxy-impregnated pancake coils assembled together along a common axis ... | 09/16/1997 |
| 5601028 | Vehicle driven by a linear motor A vehicle system for driving and supporting a vehicle by magnetic force along a vehicle travel path includes a guide rail extending along the vehicle travel path; longitudinal stators stationarily mounted along the guide rail; a vehicle including a vehicl... | 02/11/1997 |
| 5551350 | Transporting system driven by linear motor having inductive power supply An automated warehouse system a plurality of car passages, and a plurality of transport units, each disposed in a car passage containing parallel rails with vertical webbings, each of the transport units have a car, wheels for running on the rails, a driv... | 09/03/1996 |
| 5542356 | Track-guided transport vehicle A track-guided transport vehicle system for transporting high loads along a travel path contains for the drive a synchronous linear drive with a long stator along the travel path and an exciter winding on the vehicle. The long stator generates a travellin... | 08/06/1996 |
| 5467718 | Magnetic levitation transport system with non-contact inductive power supply and battery charging A magnetic levitation transport system includes magnetic levitation vehicles each driven by a linear motor to run along a track. Induction lines extend through predetermined blocks of the running track to transmit a high frequency sine-wave current. Each ... | 11/21/1995 |
| 5215015 | Track system and vehicle having both magnetic and aerodynamic levitation, with wings on the vehicle carrying the whole weight at normal operating speeds A track vehicle such as a Maglev train has a body with superconducting coils mounted thereon which superconducting coils interact with vertically extending coils on guideways of a track to generate a propulsive force. The vehicle runs on wheels at low spe... | 06/01/1993 |
| 5117136 | Linear motor supporting apparatus for vehicles Linear motor supporting apparatus are mounted upon the front and rear portions of each bogie of a vehicle so as to maintain the predetermined distance defined between an on-board coil and a ground stator, the on-board coil and the ground stator together c... | 05/26/1992 |
| 5115173 | Air gap controlling system for linear motor An air gap controlling system for a linear motor wherein a comparatively small air gap can be assured between a truck-carried element and a ground-mounted element to assure a high efficiency of the linear motor and construction for driving such ground-mou... | 05/19/1992 |
| 4967670 | Attraction type magnetic levitating apparatus A plurality of stators of a linear induction motor are arranged at predetermined intervals, and guide rails are mounted on an upper portion of a track frame having a U-shaped section. A levitated object is magnetically levitated below the track frame so a... | 11/06/1990 |
| 4924778 | Attraction type magnetic levitating apparatus A plurality of stators of a linear induction motor are arranged at predetermined intervals, and guide rails are mounted on an upper portion of a track frame having a U-shaped section. A levitated object is magnetically levitated below the track frame so a... | 05/15/1990 |
| 4920893 | Axle with magnetic guidance for railroad vehicles An orientable axle with independent wheels comprises a beam perpendicular the axis of the wheels. It also comprises sensors (16, 20) for measuring the position of the beam with respect to the track; a reference position with respect to the track is prede... | 05/01/1990 |
| 4867070 | Linear motor type monorail conveying apparatus A linear motor type monorail conveying apparatus is disclosed including a pair of carriers adapted to ride on the monorail and a load bar positioned beneath the monorail connection the pair of carriers. A linear induction motor is carried by the load bar ... | 09/19/1989 |
| 4862809 | Supports for railway linear synchronous motor The fixed magnetic structure of a linear synchronous motor for a railway system is supported above the tracks by steel ribs so that thermal expansion of the ribs is similar to expansion of steel vehicles on the railway. The moving parts of the linear sync... | 09/05/1989 |
| 4838172 | Transporting system of floated carrier type In a transporting system, four magnetic units are mounted on corners of carrier and the carrier is suspended under rails by electromagnetic attractive forces acting between the magnetic units and the bottom section of the rails. Each of the magnetic unit ... | 06/13/1989 |
| 4811667 | Transportation system of a floated-carrier type A transportation system of a floated-carrier type according to this invention includes a carrier capable of running along guide rails with a cargo and load carried thereon. A magnetic unit is mounted on the carrier to float the carrier from the guide rail... | 03/14/1989 |
| 4793263 | Integrated linear synchronous unipolar motor with controlled permanent magnet bias Disclosed is a single, integrated linear synchronous unipolar motor having high-energy permanent magnets operable along a substantially linear demagnetization curve and a polyphase coil. Collectively, the permanent magnets and polyphase coil provide for p... | 12/27/1988 |
| 4768064 | Conveyor device for alignment A conveyor device for alignment in which minutely displaceable members and hydraulic fluid supply pads are disposed between a slide and a guide. The relative position of the slide and the guide is adjusted by controlling the dimension of the minutely disp... | 08/30/1988 |
| 4754849 | Control system for elevator cage guide magnets Continuous, vertically tensioned steel cables 31, 32 or straps 39, 40, 41 mounted in an elevator shaft 2 serve as tracking standards for air gap detectors 33, 34, 35 mounted to a passanger cage 5. The detector outputs differentially control electromagnet ... | 07/05/1988 |
| 4742778 | Floating carrier type transporting system A floating carrier type transporting system comprises guide rails whose bottom section is formed by a ferromagnetic material, a carrier free to run along the guide rails, a magnetic supporting device for floating the carrier, a linear induction motor for ... | 05/10/1988 |
| 4690066 | Electromagnetically floated carrier system with stopping unit A carrier which transports semiconductor chips or the like can run along two rails made of a ferromagnetic material and extending along a running path. The carrier has four supports projecting from its bottom. Four magnets units are supported by the suppo... | 09/01/1987 |
| 4641586 | Magnetic suspension railway A magnetic suspension for a railway vehicle with electromagnetic carrying, guiding and driving gear, wherein the forces of the exciter and transverse flux magnets support, guide, drive and brake together with an active motor section by regulating the gap ... | 02/10/1987 |
| 4603640 | Device for incrementally identifying the vehicle position of a magnet levitation vehicle The incremental detection of the vehicle position of a magnetic levitation vehicle, particularly having an elongate stator motor, can occur with at least one coded measuring strip which extends in the direction of travel with a fixed positional assignment... | 08/05/1986 |
| 4299173 | Levitation and guide mechanism for curved track in inductive repulsion type vehicle magnetic levitation and guide system An improvement in an inductive repulsion type vehicle magnetic levitation and guide system for a curved track in which the vehicle is levitated by an electromagnetic force generated between levitation conductors having the same time constant and laid in t... | 11/10/1981 |
| 4284010 | Conveyance system A conveyance system having an overhead guide rail above a surface and one or more vehicles which are guided by the rail and partially supported on the surface by a wheel structure. Preferably, the guide rail includes the stator of a linear induction motor... | 08/18/1981 |
| 4055123 | Systems for magnetically supporting a vehicle A system for magnetically supporting a vehicle equipped with permanent magnets and propelled by a linear induction motor along a roadway defined by a stator member energized by polyphase alternating current, the system including members located on the veh... | 10/25/1977 |