Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7679021 | Switching device An electrical switching device, especially a high-voltage circuit breaker, contains arcing contacts and nominal current contacts. At least one of the nominal current contacts has a surface formed of an arc-resistant material provided with a galvanic coating. In this... | 03/16/2010 |
| 6884952 | Contact finger for a high-power switchgear A contact finger module for mounting in a high-power switchgear includes at least one contact finger having a contact piece and a flexible contact piece support, which extends along a longitudinal direction and has an attachment end and a contact-making end. The con... | 04/26/2005 |
| 6750746 | Electromagnetic switching device, especially contractor, with a contact bridge support lock An electromagnetic switching device, especially a contactor, includes a base, an arc chamber removable from the base, a contact bridge support and a spring-loaded locking element. The contact bridge support projects into the arc chamber and can be displaced in a dir... | 06/15/2004 |
| 6664494 | Current collector and gas circuit breaker A current collector, in which contact portions are free from dissolved loss even both fixed and moving contacts slidingly contact with each other, and durability as well as a current-carrying perfomance is improved, including a container, which is filled ... | 12/16/2003 |
| 6462295 | High-voltage power circuit breaker comprising an insulating nozzle In a high-voltage power breaker having two rated current contact pieces and two arc contact pieces as well as an insulating nozzle, a filling body is provided, which is mounted on this insulating nozzle, surrounds the insulating nozzle in an annular shape... | 10/08/2002 |
| 6271494 | High voltage circuit breaker with two arcing contacts which can be actuated in an opposite direction A high-voltage circuit breaker is described having arcing contacts, which can be driven in opposite directions, as well as corner gears that are coupled, via a driving rod, with the driven insulating nozzle surrounding the arcing contacts, with the corner... | 08/07/2001 |
| 6271493 | High voltage disconnector with fixed and locking members secure under Lorentz forces A high voltage disconnector comprising a fixed contact and a movable contact to the latter to produce an electrical connection between a first conductor and a second conductor, the movable contact and the fixed contact forming, when they are in contact wi... | 08/07/2001 |
| 6259050 | Burn-off contact arrangement A switching arrangement having a large burn-up reserve, contact fingers (2) are connected to a first electrical terminal via flexible bands (6) consisting of strips of, for example, copper which lie one above the other. The connecting portion (7) of the b... | 07/10/2001 |
| 6239399 | Interrupter with a resistor insertion system having a long insertion time In an interrupter with a resistor insertion system, the resistor insertion system comprises two auxiliary contacts, a first of which is electrically connected to a semi-mobile permanent current contact and the second of which is electrically connected to ... | 05/29/2001 |
| 6211478 | Switching arrangement and method for its production In a power switch, power-switch fingers of a rated-current switching arrangement, as well as contact fingers (25) of a tulip contact and a switching pin (14) of an arcing switch arrangement, or other parts, each comprise a base body (26, 28) which, at sec... | 04/03/2001 |
| 6100489 | Consumable switching arrangement In the switched-on position, under the influence of contact forces generated by elastic deflection or else by mechanical spreading, or spreading caused by the attraction of parallel currents or repulsion of antiparallel currents, of a switching pin (5) , ... | 08/08/2000 |
| 5981893 | Electrical switching device This switching device has a contact arrangement which is equipped with erosion-resistant contacts and comprises at least one contact which moves along a central axis (2) and at least one mating contact which is provided for receiving the moving contact. O... | 11/09/1999 |
| 5977502 | Gas circuit breaker The gas circuit breaker has a configuration such that a stationary contact section and a movable contact section are arranged in an arc-extinguishing gas sealed container, to face each other, and the movable contact section includes a hollow operating rod... | 11/02/1999 |
| 5929409 | Power breaker This power breaker has at least one quenching chamber, which is filled with an insulating medium, is of cylindrical design, extends along a central axis (2) and has a power current path, having two stationary consumable contact arrangements (5, 6) which a... | 07/27/1999 |
| 5902978 | Power breaker This power breaker has at least one quenching chamber, which is filled with an insulating medium, is of cylindrical design, extends along a central axis (2) and has a power current path, having two stationary consumable contact arrangements (5, 6) which a... | 05/11/1999 |
| 5869796 | Contact device A contact device has a pair of flanges which extend inward in the radial direction from both ends of an annular shield, and a plurality of contact pieces which are arrayed in the circumferential direction in a space formed by the shield and the pair of fl... | 02/09/1999 |
| 5770828 | Power circuit-breaker The circuit-breaker has a quenching chamber which is filled with an insulating medium, is of cylindrical design and has a quenching zone extending along a longitudinal axis. In addition, it has a fixed contact arrangement, which is arranged in the course ... | 06/23/1998 |
| 5629506 | Low voltage AC contactor including high recovery voltage gas system An AC contactor having a high recovery voltage strength includes a contact assembly and a high recovery voltage gas system coupled to the contact assembly. The contact assembly includes two contact pads per electrical phase, with one of the contact pads b... | 05/13/1997 |
| 5483031 | Gas-insulated disconnector provided with structure for suppressing metal particles contamination A gas-insulated disconnector includes a movable contact disposed above a fixed contact within a housing filled with an insulating gas. The movable contact is electrically coupled to an upper support member through a finger-type sliding contact 3 which is ... | 01/09/1996 |
| 5464956 | Rotating arc interrupter for loadbreak switch A loadbreak switch is provided that utilizes a pivotally mounted movable jaw contact and a main stationary contact that is positioned in the middle of an arc runner. For operation at voltages 15 kV and above, the switch utilizes a shunt contact that bridg... | 11/07/1995 |
| 5453591 | Sensing structure for component wear in high voltage circuit interrupters A vaporizable material, for example, a silicone, that is buried beneath the surface of a Teflon nozzle for a sulfur hexafluoride power circuit breaker in an area of the nozzle which is exposed to abrasion and wear due to arc products. In a similar manner,... | 09/26/1995 |
| 5059932 | Quick-action circuit breaker assisted by a control circuit Quick-action circuit breaker assisted by a semi-conductor control circuit, comprising a repulsion coil, a repulsion disk (37) associated with a contact bridge (39) bearing the mobile contacts (41), the repulsion disk (37) interacting with the repulsion co... | 10/22/1991 |
| 4937406 | Insulator-type gas circuit interrupter An insulator-type gas circuit interrupter which comprises a movable contact and a stationary contact for closing and separating a main circuit and an insulator tube in which an arc-extinguishing chamber of a frustoconical configuration is defined. The mov... | 06/26/1990 |
| 4883931 | High pressure arc extinguishing chamber An arc extinguishing chamber for an electrical switchgear device, notably a circuit breaker or a current limiting unit, comprises an almost tightly sealed case made of gas-producing insulating material to house separable contacts with electrodynamic repul... | 11/28/1989 |
| 4843199 | Gas-blast circuit breaker A gas-blast circuit breaker has two switching elements disposed in a casing filled with arc-extinguishing gas and capable of being brought into or out of engagement with each other along one axis. One of these two switching elements defines an arc-extingu... | 06/27/1989 |
| 4685019 | Controlled electrical contacts for electrical switchgear Most contacts that are used in electrical switchgear are prone to erosion due to electrical arcs that are developed at the make and break of a circuit. Arcing is one of the major problems that can cause catastrophic failure of switchgear. In accordance wi... | 08/04/1987 |
| 4683353 | Rotary switch for inductively driven rail gun systems An electrical switch for switching direct current in an inductively driven electromagnetic projectile launching system is provided with a rotor having a generally cylindrical conductive element with a first portion that includes a continuously conductive ... | 07/28/1987 |
| 4668848 | Alignment and centering arrangement for contacts of an interrupting device An alignment and centering arrangement is provided for effecting the self-centering of a first contact assembly and for effecting the self-alignment of the first contact assembly with a second contact assembly as the contact assemblies are positioned toge... | 05/26/1987 |
| 4651024 | Electromagnetically actuated high DC current switch A high DC current switch includes a pair of annular, conductive rails with a pair of brushes mounted for rotary movement therebetween. DC current is conducted by the rails to and from the brushes in directions to electromotively accelerate the brushes int... | 03/17/1987 |
| 4618752 | Gas-insulated interrupter A gas-insulated interrupter comprising an interrupting unit, a hermetically-sealable housing enclosing the interrupting unit therein, and a pair of rigid terminal conductors connected to the interrupting unit at spaced positions is disclosed. The housing ... | 10/21/1986 |
| 4458121 | DC Circuit breaker A DC circuit breaker of the type using a blown arc-extinguishing gas is disclosed which allows for reliable fast interruption of DC currents through the provision of arc extension current paths. The extension current paths are relatively long and are bent... | 07/03/1984 |
| 4435627 | High tension circuit breaker A high tension circuit breaker which includes a stationary switching mechanism, a second switching mechanism axially movable in a first axial direction, a first and second arcing contact operatively connected to the movable switching mechanism and a stati... | 03/06/1984 |
| 4431878 | Compression piston switch A compression piston switch is provided with two switching parts which are mutually axially displaceable. The switch also has a device which is connected to a first one of the two switching parts for guiding a quenching gas flow. The quenching gas, which ... | 02/14/1984 |
| 4393291 | Gas blast interrupters A gas-blast type interrupter comprises first and second electrodes relatively movable between a closed position in which they are in mutual electrical engagement and an open position in which they are mutually separated, movement of the electrodes towards... | 07/12/1983 |
| 4378477 | Gas-blast switch A gas-blast switch provided with two coaxially arranged contact elements which can be brought into and out of engagement with one another by carrying out an axial movement. The first contact element which is connected with a drive is arranged in a fixed r... | 03/29/1983 |
| 4309581 | Gas circuit breaker having independent main and arcing circuits A puffer-type gas-blast circuit-breaker comprises an interrupting unit mounted in a housing filled with an insulating gas of high dielectric strength such as sulfur hexafluoride. The interrupting unit includes a main circuit having a pair of stationary an... | 01/05/1982 |
| 4296289 | Electric gas-blast switch A movable, substantially tubular-shaped contact element coacts with a fixed set of contacts which, in turn, possesses a rim of rated current contacts, a burn-off rim electrically connected with the rated current contacts, and an intermediate electrode arr... | 10/20/1981 |
| 4286128 | Electric gas-switch An electric gas-switch includes a switching chamber that is divided by a partition into an arc chamber and an additional chamber with a central pin being located within the arc chamber. The pin is embraced at least partially by a stationary switch part wh... | 08/25/1981 |
| 4268732 | Arc quenching chamber for high breaking capacity circuit breakers In a quenching chamber for a high voltage circuit breaker, a pair of separable contoured contacts are held in abutment by springs along a contact surface, a high velocity arc quenching stream flowable between the contact surfaces during the separation the... | 05/19/1981 |
| 4256940 | Gas-blast type circuit interrupter A circuit interrupter comprising a pressure chamber, disposed in fluid communication with an arc extinguishing chamber containing an arc extinguishing fluid, for temporarily storing the arc extinguishing fluid pressure-raised by the arc energy, the high p... | 03/17/1981 |
