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| Number | Title | Issue Date |
| 7268308 | Isolation switch for power transfer A power system including a power transfer device that prevents a common load from at once being powered by a main and auxiliary power source, and eliminates any possibility of back feeding the main power source from the auxiliary power source. First and second circu... | 09/11/2007 |
| 7145089 | Self retaining sliding bar interlock for circuit breaker An interlock mechanism for preventing a first circuit breaker having a first actuating mechanism and a second circuit breaker having a second actuating mechanism from simultaneously being in a closed condition. The interlock mechanism includes a frame, a sliding bar... | 12/05/2006 |
| 7034233 | Device for controlling a blocking mechanism of an electric switch in a switch cell A device is for controlling the movement of a blocking mechanism in an electric switch which is displaceably arranged in a switch cell. The device includes a push element and an oblique surface, whereby the oblique surface extends in the fitting position of the devi... | 04/25/2006 |
| 6373688 | Service entrance barrier insulator A service entrance barrier for a load center that includes a housing and a service entrance having at least one branch fed main breaker electrically connected to branch feed lines. The service entrance barrier is securable to the load center housing to pr... | 04/16/2002 |
| 6359244 | Switchgear unit having a leading auxiliary switch The auxiliary switch (2) has a slide (5) with a gate (14) as an actuating element that engages with the reversing lever (13) acting upon the contact carrier (11). After a first actuation stage, in which the slide (5) pushes the contact carrier (11) into t... | 03/19/2002 |
| 6122160 | Arrangement for connecting one or more fuses to a distribution unit The present invention relates to an arrangement for connecting one or more circuit breakers (7) directly to a distribution unit (10) for supplying power to radio base stations and for charging the batteries of such stations. As a result of mutually separa... | 09/19/2000 |
| 5973914 | Circuit breaker hold-down An attachment for attaching a main circuit breaker in an electrical panel has a uniquely constructed hold-down for the circuit breaker and a headed screw for fastening the hold-down in the panel. The hold-down is a non-electrically conductive part, such a... | 10/26/1999 |
| 5686709 | Modular trip bar assembly for multipole circuit breaker A modular plastic trip bar assembly joins separate single pole molded case circuit breakers into a single multipole circuit breaker. The addition of the trip cam to the trip bar assembly allows four and five pole combinations to operate in unison.... | 11/11/1997 |
| 5648646 | Circuit breaker linkage assembly An interlock for first and second tandemly aligned circuit breaker switches which respectively have first and second external operating handles thereon oriented such that the operating handles are disposed away from each other when the switches are OFF an... | 07/15/1997 |
| 5393942 | Panelboard having panel-mounted interlock for two main circuit breakers An interlock between two main circuit breakers comprises a bracket mounted to the interior panel transversely of the panel and a sliding interlock member mounted on a forward portion of the bracket, which portion fits within the unmodified opening of a pa... | 02/28/1995 |
| 5302788 | Molded case circuit breaker having trapezoidally shaped shaft Molded case circuit breaker having collapsible toggle linkage with rectangular cross section knee pin non-rotatably held within open rectangular slots in upper link, bifurcated movable contact fingers loosely guided for pivotal movement about fixed pin to... | 04/12/1994 |
| 5172087 | Handle connector for multi-pole circuit breaker A multi-pole circuit breaker is formed from a modular array of single-pole circuit breakers. The individual circuit breaker operating handles are ganged together by means of a handle connector placed over the individual circuit breaker operating handles. ... | 12/15/1992 |
| 5109142 | Circuit breaker handle tie for automated assembly Single pole circuit breakers are connected in a modular array to provide up to four poles by means of a handle tie bar assembly. The circuit breaker operating handles are grooved to receive a metal interlocking pin and a plastic tie bar to cause the circu... | 04/28/1992 |
| 4980525 | Linked circuit breakers having a handle tie bar (interlocking lever) Linked circuit breakers linked with an interlocking lever having hollows respectively receiving each handle of each circuit breaker and having a groove to be fitted in by the connecting pin positioned between each handle are fixed side-by-side. The groove... | 12/25/1990 |
| 4906958 | Snap-on floating handle tie for multi-pole circuit breakers A multi-pole circuit breaker apparatus includes first and second circuit breakers having first and second handles extending therefrom for switching the circuit breakers between "On" and "Off" positions. The circuit breakers are connected together with the... | 03/06/1990 |
| 4644114 | Assembly for coupling switch handles A switch coupling assembly for coupling at least a pair of switches having respective spaced apart actuator handles is provided in order to permit simultaneous switching of the separate switches. Generally tubular spacers fit between each pair of switch h... | 02/17/1987 |
| 4510357 | Actuator for transfer circuit breaker switch An interconnect is described as coupling the arms of a pair of double-throw switches, to ensure that, although both switches can be in simultaneous "OFF" conditions, only one, or the other, can be in an "ON" condition at any given instant of time.... | 04/09/1985 |
| 4270031 | Circuit breaker interlocking mechanism A circuit breaker interlocking mechanism characterized by a pair of circuit breakers connected to different power supply sources in comprising a locking member pivotally mounted between the circuit breakers for preventing one circuit breaker from being ac... | 05/26/1981 |
| 4168407 | Electrical switch assembly including a separate interrupter switch An electrical switch assembly including a plurality of main electrical switches, an operating device for opening and closing the main switches, and a single interrupter switch connected in parallel with the main switches and operable by the operating devi... | 09/18/1979 |
| 4166988 | Compact three-pole circuit breaker A compact three-pole circuit breaker is modularly constructed utilizing two identical operating mechanisms in controllably articulating three movable contact arms. The operating mechanisms are ganged together for concerted manual operation by an external ... | 09/04/1979 |
