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| Number | Title | Issue Date |
| 7235751 | Electric device, a current limiter and an electric power network An electric device including an electric switch having a plurality of contact members arranged in series to form a plurality of breaking points arranged in series. One of the contact members at each breaking point is movable. A drive is arranged to actuate each mova... | 06/26/2007 |
| 7091438 | Circuit breaker with improved arc extinction system An improved circuit breaker includes an arc extinction system having one or more insulators that generates a desirable gas in the presence of an arc. The exemplary circuit breaker includes gas-generating insulators disposed at three sides of a stationary contact and... | 08/15/2006 |
| 6060674 | Circuit interrupter with plasma arc acceleration chamber and contact arm housing An electrical circuit interrupter comprising a housing with an operating mechanism disposed therein and including first and second separable main contacts disposed within the housing is taught. There is an electrically conducting first contact support whi... | 05/09/2000 |
| 5566818 | Movable contactor device in circuit breaker In a movable contactor device in a circuit breaker, two contactor elements are arranged in such a manner that they are in parallel with each other and are independent of each other, to form a movable contactor for each phase. The two contactor elements ha... | 10/22/1996 |
| 5504291 | Contact blade assembly for a circuit breaker A contact blade assembly for a circuit breaker comprises a blade carrier, an elongated blade, and a toggle spring. The blade carrier includes a blade pivot and a first spring pivot. The elongated blade has an electrical contact mounted thereto and include... | 04/02/1996 |
| 4926019 | Moving copper pivot A pivoting electrical connected useable in a molded case circuit breaker including a pair of contact plates for contacting the circular contact member of a contact carrying arm. The pivoting electrical connection provides at least three contact locations ... | 05/15/1990 |
| 4746779 | Contact arrangement for switchgear A contact arrangement for switchgear with multiple disconnects by contact points connected in parallel of two contact bridges aligned in a contact actuation link uses a spring collar for a contact pressure spring. The spring collar has cutouts transverse ... | 05/24/1988 |
| 4733033 | Molded case circuit breaker contact arrangement including a spring clip contact arm retainer A molded case circuit breaker movable contact arm or carrier electrically connects with the circuit breaker trip unit or load terminal without requiring a flexible electrical conducting braid. The contact carrier is pivotally arranged within a contact car... | 03/22/1988 |
| 4467161 | Switch apparatus A high voltage multi-position type three phase electrical switch having stationary and movable contacts which are supported, respectively, on relatively fixed and movable contact supports internally of a switch casing. The contact supports are interchange... | 08/21/1984 |
| 4127753 | Hinge terminal mounting for electric circuit disconnect switch An electric circuit disconnect switch has an improved hinge terminal mounting in which a rotatable blade has a hinge terminal end portion in which opposite faces are provided with sockets which are essentially hemispherical about a common axis, and a term... | 11/28/1978 |
