U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 200/238 - Contact


Subclass of Class 200 - Electricity: circuit makers and breakers
Definition: A contact or contacts, wherein significant details are claimed
No. of patents: 43
Last issue date: 10/11/2011


1    
NumberTitleIssue Date
8035047Reduced material plug-on jaw with symmetrical spring for a circuit breaker
A circuit breaker includes a stationary contact, a plug-on half jaw, and a jaw spring. The plug-on half jaw is electrically coupled to the stationary contact and has a single terminal end for receiving a bus bar. The jaw spring is operatively coupled to the half jaw...
10/11/2011
7994443Switch array
A first wiring layer 16 is disposed on an insulating film 14 on the lower surface of an upper substrate 15, while a second wiring layer 13three-dimensionally crossing the first wiring layer 16 is provided on the insulating film ...
08/09/2011
7402770Nano structure electrode design
A microelectronic switch having a substrate layer, an electrically conductive switching layer formed on the substrate layer, an electrically conductive cavity layer formed on the switching layer, an electrically conductive cap layer formed on the cavity layer, the c...
07/22/2008
7334319Method for opening the contact gap of a vacuum interrupter
The aim of the invention is to improve the breaking ability of vacuum interrupter in the medium- and high-voltage range. Said aim is achieved whereby the contact pieces which may be displaced relative to each other are moved with a relatively high speed during a fir...
02/26/2008
7248135Contact arm with 90 degree offset
A moving arm for a moving contact assembly in a telecommunication system circuit breaker is provided. The circuit breaker has a housing assembly, an operating mechanism, a trip device, and a current path assembly. The current path assembly includes a line conductor ...
07/24/2007
7218489High-power ultracapacitor energy storage pack and method of use
An ultracapacitor energy storage cell pack includes an ultracapacitor assembly having a plurality of series connected ultracapacitors and balancing resistors, each balancing resistor connected in parallel with each ultracapacitor to automatically balance each ultrac...
05/15/2007
7085112High-power ultracapacitor energy storage pack and method of use
An ultracapacitor energy storage cell pack includes an ultracapacitor assembly including a plurality of parallel ultracapacitors and balancing resistors in series; an enclosure for the ultracapacitor assembly; a controller; one or more temperature sensors; a pack vo...
08/01/2006
7012204Silver contact fixing structure for conductive blades
A silver contact fixing structure for conductive blades aims at providing a retaining force on a silver contact so that the silver contact is more secure and does not break loose when subject to striking. The silver contact is built in a fastening section formed on ...
03/14/2006
7012354Method and structure for a pusher-mode piezoelectrically actuated liquid metal switch
A method and structure for an electrical switch. According to the structure of the present invention, a liquid-filled chamber is housed within a solid material. A plurality of switch contacts within the liquid-filled chamber are coupled to the solid material, while ...
03/14/2006
6994560External power source connecting device for an electric vehicle
A plurality of prongs of a connector box and a plurality of receptacles of a receptor box are electrically connected by mating each respectable pairs together. The boxes are coupled by a mechanical leveraged maneuver. The connecting device then connects vehicular ci...
02/07/2006
6812418Fastening of a contact element
A contact fastened in a contact element by opposite overlaps is provided. The contact is subsequently connected to the contact element with a laser or a special stamping. ...
11/02/2004
6492037Joined structure of dissimilar metallic materials
A friction welded joint structure includes friction welded dissimilar first and second metallic materials. The first metallic material has a rigidity greater than the second metallic material. The angle of the first metallic material to a free edge of the...
12/10/2002
6459354Breaker apparatus
The breaker apparatus is disclosed which comprises a projecting wall standing upright from the base of a breaker body; a pair of plate-shaped fixed electrodes laid on the front and back surfaces of the projecting wall; a recessed plug to be fitted on the ...
10/01/2002
6362710Contact unit for electromagnetic relays
For increasing the reliability of contact closure in safety relays, a contact spring (10) is provided with two contact pieces (15, 16) which are disposed at the free end of the contact spring (10), spaced transversely of the longitudinal axis thereof and ...
03/26/2002
6337448Circuit breaker
In a circuit breaker, fixed electrodes 14 in pair are secured in a male housing 13. A female housing 21 which contains a moving electrode 30 is fitted into the male housing 13, whereupon the moving electrode 30 contacts and straddles the fixed electrodes ...
01/08/2002
6300854Contact unit for electromagnetic relays
For increasing the reliability of contact closure in safety relays, a contact spring (10) is provided with two contact pieces (15, 16) which are disposed at the free end of the contact spring (10), spaced transversely of the longitudinal axis thereof and ...
10/09/2001
6278619Circuit breaker for low voltage alternating electric installation
The invention concerns a disconnecting appliance, such as a switch, a fuse-disconnecting switch or breaker-reversing switch, having a novel arrangement of fixed and moving contacts promoting contact surface self-cleaning and increasing contact force for t...
08/21/2001
5924555Panel switch movable contact body and panel switch using the movable contact body
In a panel switch movable contact body, and a panel switch using the movable contact body, the upwardly curved upper surface of a dome-shape movable contact 1 made of a thin elastic metal plate is bonded to a sheet 12 of insulating film whose lower surfac...
07/20/1999
5532443Pressure contact terminal
A pressure contact terminal (50) comprises: a main body (60) having an elongate main base plate (61), a pair of two front side plates (62) and a pair of two middle side plates (64) both formed by bending both sides of the main base plate; and a spring mem...
07/02/1996
5517091Modular electrical system for device units
A modular electrical system (10) supplies power to and controls a plurality of electric motors (M1, M2, M3, M4) associated with a plurality of drive units folding or extending rows in a telescopic seating system...
05/14/1996
5495080Electrical switch
This electrical switch (1) consists of a flat spring, profiled in order to provide both a contact function and a spring function; the flat spring (1) includes a first leg (2) which can be deformed by bearing on a fixed pivot pin (3) of a support (4), and ...
02/27/1996
5471021Acceleration sensor with laterally-supported beam contacts
An improved acceleration sensor (10) includes a housing (12) having an internal passage (14) defined therein, a sensing mass (18) located within the passage which moves from a first position within the passage towards a second position therein in response...
11/28/1995
5374878Modular electrical system for drive units
A modular electrical system (10) supplies power to and controls a plurality of electric motors (M1, M2, M3, M4) associated with a plurality of drive units folding or extending rows in a telescopic seating system...
12/20/1994
5324901Contact device for a changer relay
A contact arrangement for a change-over contact relay has a movable contact spring (2), on the free end (3) of which switching contact pieces (5, 6) are arranged on both sides, the current to be switched being supplied via an electrical connecting line (9...
06/28/1994
5065276Tri-state dip switch
The tri-state dual-in-line package (DIP) switch includes a base with a plurality of transverse grooves, a plurality of conducting pins attached to the transverse grooves; a plurality of slide members, each having a top protrusion and one conducting elemen...
11/12/1991
4616112Electrical switch having arc-protected contacts
An electrical switch comprises a dielectric base member having parallel stationary contact assemblies provided with aligned contact segments, each of the contact segments including an exposed contact section and a dielectric section. A spring-biased movab...
10/07/1986
4568804High voltage vacuum type circuit interrupter
A high voltage vacuum-type circuit interrupter is disclosed that includes a single or one-piece ceramic insulating housing providing both the external solid insulation between a line terminal and a switch terminal and the external solid insulation between...
02/04/1986
4492833Door jamb switch
A door jamb switch has a first member adapted to be fixedly secured onto a door jamb of a motor vehicle, a first switch contact mounted on a plunger supported in the fixed first member for reciprocation along an axis between a first, door opened, position...
01/08/1985
4473726Contact pin and mounting construction for multipole data switch
An improved terminal pin and mounting construction therefor, for use in multicontact switches using flexible wire type contacts mounted upon a stator element, the contacts being bridged by corresponding contacts on a coaxially mounted rotor element. The m...
09/25/1984
4473731Vacuum circuit interrupter
The disclosed electrode assembly used with vacuum circuit interrupters has a disc-shaped electrode including four coil sections defined by four short radial slots extending radially inward at equal angular intervals from its periphery, four circumferentia...
09/25/1984
4415783Multipole data switch
A multipole type switch for switching a relatively large plurality of independent circuits from one set of contacts to a second set of contacts by manual or remote operation using a solenoid or linear actuator. The switch utilizes as contacts a simple wir...
11/15/1983
4401862Electrical switch with sliding contacts
In an electrical switch being subject to high contact pressure and using contacts of relatively soft contact material, the isolating or electrical resistance is impaired by contact wear. A contact and a counter contact spring supported by an isolating sup...
08/30/1983
4339638Electrical switch
An electrical switch includes a body having one open end exposed for adaptation of a pyrotechnic cartridge and the other end sealed by the base of a pin type connector assembly having short conductive pins and elongated conductive pins with relief areas c...
07/13/1982
4208554Ignition distributor rotor having a silicone varnish coated output segment for suppressing noise and a method of manufacture therefor
The output segment of an ignition distributor rotor having an output segment and a spring contact member in series is coated with a silicone varnish dielectric material for effecting the suppression of radio frequency interference radiation and, to establ...
06/17/1980
4184058Polyphase isolator switches
A polyphase, e.g. three phase, isolator switch, of which the movable contact members of all phases extend through a common bushing insulator mounted in a partition between two compartments for rotation about an axis normal to said partition and are simult...
01/15/1980
4152556Noise suppression pushbutton interlocked switch assembly
The noise suppression contact of a keyboard with a row of pushbutton-operated slide switches consists of a flat U-shaped contact spring forming a double armed lever one arm of which is actuated by the stop slider and the other contacting a fixed contact. ...
05/01/1979
4107482Rotary rocking-beam switch
A rotary plural contact switch in which a walking-beam-like conductor is incrementally moved to break electrical contact with stationary contacts. This movement is brought about by a revolvable cam rotor. The basic double-contact mechanical structure may ...
08/15/1978
4085994Dual slot contact
A slotted plate type contact is disclosed for simultaneously terminating two wires of small diameter which are inserted simultaneously in a first slot portion of the contact and are automatically diverted into separate wire terminating slots....
04/25/1978
4025738Reversible snap-action switch with cam operator and lost motion structure
A reversible snap-action switch including a drive member and a switch-actuating driven member connected by a lost motion coupling. The relative position between the drive and driven members is shifted by substantially the lost motion distance as the drive...
05/24/1977
4021631Electrical header device
An electrical header device is comprised of an etched circuit board or a ceramic substrate having circuit paths thereon to which are soldered terminal pins, and a thermoplastic or thermoset plastic material covers the etched circuit board or ceramic subst...
05/03/1977
1    
 
Sign InRegister
Username  
Password   
forgot password?