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

Icon_funbox Quotables

"Everyone acquainted with the subject will recognize it as a conspicuous failure."

Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb

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 361/607 - With interlock


Subclass of Class 361 - Electricity: electrical systems and devices
Definition: Subject matter wherein a mechanism is provided for (a) governing
No. of patents: 30
Last issue date: 04/01/2008


NumberTitleIssue Date
7352564Power distribution substation
An improved power distribution unit substation, having a plurality of differing voltage rated main breaker cells, encased within a single housing is disclosed. The improved power distribution substation saves considerable floor space as compared to prior art substat...
04/01/2008
7123485Techniques for moving a power supply within an electronic cabinet
An electronic cabinet includes a base, and an electronic cabinet frame which extends vertically from the base. The electronic cabinet frame is configured to support electronic circuitry. The electronic cabinet further includes a power supply positioning assembly hav...
10/17/2006
7095113Semiconductor device with interlocking clip
A semiconductor device is provided having a single-piece clip that interlocks into a lead frame using one or more forks on the clip that mate with one or more corresponding slots in the lead frame. A semiconductor die is mounted to a pad of the lead frame and the cl...
08/22/2006
7091432Power circuit breaker
A power circuit breaker includes an insertion rack which is arranged in a distribution unit and a lock system for locking the power circuit breaker in the insertion rack in a locking system. The locking system can be actuated by a drive mechanism, in particular by t...
08/15/2006
7063572Motor control center interconnection method and apparatus
In one embodiment, the components within each respective unit of the MCC are connected powered by a connector assembly that is directly engaged to secondary power and network data conductors disposed of within the enclosure. The connector assembly, if so desired, wi...
06/20/2006
6958456Positive locking, trigger grip, external operating handle assembly for network protector enclosures
A handle assembly for a network protector where the network protector includes a circuit breaker and a housing assembly, the circuit breaker having a trip bar structured to move between a first position and a second position corresponding to an open and closed posit...
10/25/2005
6545859Automatically operating interlock assembly for electrical cabinets
An automatically operating interlock device prevents access to the interior of an electrical cabinet when the device within the cabinet is electrically connected with a power supply. The interlock device is particularly suited for arc resistant circuit br...
04/08/2003
6388868Automatically operating interlock assembly requiring an electrical cabinet to be closed before connection of the equipment therein
An automatically operating interlock prevents connection of an electrical device within a cabinet unless the cabinet door is closed. The interlock is particularly useful for circuit breakers contained within arc-resistant cabinets. The interlock includes ...
05/14/2002
5726401Cable/crossbar interlock system for circuit breakers
A cable interlock system is provided for preventing at least two circuit breakers from both being closed, comprising: a first circuit breaker assembly comprising a first main contact, a first cross bar, a first cross bar plunger, a first transfer assembly...
03/10/1998
5691518Sliding trigger interlock and secondary disconnect contacts for drawout switches
An automotive secondary disconnect mechanism for a removable circuit device is disclosed. According to a preferred embodiment, the disconnect mechanism comprises a guide bar, a slide block mounted on the guide bar and means for locking the slide block in ...
11/25/1997
5623135Power source switching device with plural interlocking elements
A switch unit is movably arranged in a housing for selective connection of two power sources to a load circuit. When the switch unit is extracted out of the housing, one power source is connected to the load circuit via one by-pass switch unit arranged on...
04/22/1997
4937403Power source switching device
In construction of a switching device interposed between a pair of power sources and a load circuit and provided with switch and by-pass units, the switch unit is extractable from its housing and operation of the by-pass circuit is interlocked with positi...
06/26/1990
4926286Enclosed switchboard
An enclosed switchboard has a contact frame fitted with contacts which can move relative to a unit frame having a circuit breaker, an electromagnetic switch, and an auxiliary relay, etc. mounted thereon. The contacts can be operated to disconnected, test,...
05/15/1990
4914549Circuit breaker movement mechanism
A mechanism for moving and supporting a circuit breaker relative to a bus bar arrangement such that the circuit breaker can be engaged and disengaged from the bus bar arrangement. The mechanism functions to engage and disengage the circuit breaker while a...
04/03/1990
4814942Drawout switchgear cell frame
A drawout switchgear apparatus is characterized by a cell having a front opening through which a circuit breaker is movable on tracks into and out of the cell for engagement and disengagement with electrical terminals within the cell. A cell frame include...
03/21/1989
4768132Disconnect contact arrangement for switchgear movably arranged at guides
A disconnect (break) contact arrangement has disconnect contact blocks which are arranged between two support bars which are common to the disconnect contact block for one pole of the switchgear. Inner clamping pieces seize projections of the disconnect c...
08/30/1988
4743715Draw-in and draw-out mechanism of an electrical circuit breaker with main and auxiliary circuits
The invention relates to a draw-in mechanism for an extractible molded insulated case circuit breaker, equipped with main and auxiliary circuits with fixed and movable connectors. The fixed connectors are arranged on the upper horizontal wall of the case,...
05/10/1988
4713501Partitioned switching panel with insertable switching carriage and adjustable shutter mechanism
A partitioned switching panel of the type including a power switch provided with first switch contacts and mounted on a carriage which is movable toward and away from cooperating stationary second switch contacts disposed behind a partition of the switchi...
12/15/1987
4703137Electric switchgear with a pull-out frame and a switching device that can be inserted therein
A pull-out frame for a switching device with a threaded spindle and a tripping device which can be actuated by a tool provided for actuating the threaded spindle. In the switching device, a coupling member is arranged which transmits the motion of the tri...
10/27/1987
4565908Drawout switchgear apparatus with retractable shutter mechanism for terminal stabs
Drawout switchgear apparatus characterized by a cell having a plurality of spaced fixed terminal stabs therein, an insulating shutter structure extending across the terminal stabs, a switchgear unit removably disposed in the cell and including terminal me...
01/21/1986
4482936Drawer type enclosed switchboard with automatic grounding device
In a drawer type enclosed switchboard in which equipment constituting a main circuit are built and which includes an inner truck device for connecting or disconnecting the main circuit through its horizontal movement, and an outer truck device supporting ...
11/13/1984
4432036Switchgear with stab-positioning system
A circuit breaker switchgear housing device having a stab positioning system whereby a draw-out circuit breaker having separable contacts is contained in the switchgear housing. A stab positioning system is utilized so as to precisely locate stabs so that...
02/14/1984
4427854Racking mechanism for motor control center
An improved mechanism for racking a contactor mechanism within an enclosure. The mechanism is urged into a fully-engaged position by an arm extending from a rotatable cross shaft which in turn is operated by a pair of complementary four-bar linkages. The ...
01/24/1984
4285026Parallel plane shutter for LK breaker
Circuit breaker cubicle shutters wherein a pair of shutters are slidable vertically with respect to a back plate and with respect to each other and behind the back plate. The back plate is provided with a plurality of upper openings registering with upper...
08/18/1981
4272798Composite groundable barrier for switchgear and grounding apparatus
A grounding arrangement for a shutter for a high voltage metal clad switchgear arrangement is taught. The shutter is a composite of an electrically insulating material such as polyester and islands of electrically conductive material such as non-magnetic ...
06/09/1981
4236189Enclosed switchboard
In an enclosed switchboard in which a circuit breaker in a cubicle is drawn out from or pushed in toward a disconnecting switch, a controlling circuit housed in the cubicle for supplying a signal to the driving device of the circuit breaker and for transm...
11/25/1980
4216521Composite groundable barrier for switchgear
A shutter for high voltage metal clad switchgear is taught which is a composite of electrically insulating material such as polyester and islands of electrically conductive material such as non-magnetic aluminum. The polyester material reduces the chance ...
08/05/1980
4202028Ground and test apparatus with indicia means
A ground and test apparatus is provided for use in combination with switchgear apparatus of the type which includes upper and lower circuit breaker compartments. The switchgear contacts in each of the compartments are disposed in a reverse order such that...
05/06/1980
4086452Isolating switch shutter assembly for high voltage motor starter
A high voltage motor controller which is capable of accepting a modular plug-in unit comprising a power fuse assembly and isolating switch apparatus of a drawout type, and characterized by a safety shutter mechanism for mechanically driving an isolating s...
04/25/1978
4017698Draw-out type circuit interrupter with modular construction
A circuit interrupter includes an automatic circuit breaker in a draw-out unit removably mounted within an enclosure. A levering mechanism is provided to lever out the draw-out unit on rails to permit complete disengagement of the circuit breaker from loa...
04/12/1977
 
Sign InRegister
Username  
Password   
forgot password?