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| Number | Title | Issue Date |
| 7202436 | Secondary arc chute and electrical switching apparatus incorporating same A secondary arc chute is for an electrical switching apparatus including a housing, a pair of separable contacts enclosed within the housing, and a primary arc chute disposed proximate the separable contacts in order to attract an arc generated by the separable cont... | 04/10/2007 |
| 7068131 | Switching contact arrangement for a power switch A switching contact arrangement is for a power switch, wherein a plurality of contact levers are pivoted on a contact support via a bearing pin. The contact support is provided with at least three support elements for radially supporting the bearing pin. In order to... | 06/27/2006 |
| 6969816 | Switching arrangement for low-voltage circuit breakers A switching arrangement for low-voltage circuit breakers with a high nominal current includes movable switching contacts arranged essentially on a moveable contact carrier. It further includes fixed switching contacts and a device for cooling, de-ionizing and exting... | 11/29/2005 |
| 6005206 | Electrical switching apparatus with improved contact arm carrier arrangement The contact fingers of electrical switching apparatus have radial convex surfaces centered on the pivot pins which seat on concave surfaces in the molded contact carrier to transmit bending loads on the pin into the carrier. A seal member which snaps onto... | 12/21/1999 |
| 5483030 | Group operated circuit disconnect apparatus for overhead electric power lines A group operated switching apparatus for overhead electric power lines has a box-like elongated housing which mounts on a pole and supports three disconnect switches. Three operating shafts are journalled on the housing and are operatively connected to th... | 01/09/1996 |
| 5296660 | Auxiliary shunt multiple contact breaking device An electrical breaking device including a movable contact assembly. The movable contact assembly includes a support cage and upper and lower contact fingers pivotally mounted thereto on respective upper and lower transverse spindles. The upper and lower c... | 03/22/1994 |
| 5286934 | Molded case circuit breaker movable contact arm arrangement A molded case circuit breaker movable contact arm electrically connects with the circuit breaker load terminal requiring only a small diameter auxiliary electrical braid conductor by pivotally arranging the contact arm within its support. The braid conduc... | 02/15/1994 |
| 5164560 | Repulsion type circuit breaker control device A repulsion type circuit breaker movable contact device comprising a first movable contact, an opening/closing mechanism which drives the first movable contact for opening and closing, a second movable contact for contacting the first movable contact, the... | 11/17/1992 |
| 4968859 | Circuit breaker with low voltage contact structure A circuit breaker characterized by first and second main contacts and first and second arcing contacts. The first main and arcing contacts are mounted on a first contact carrying arm. The second arcing contacts are mounted on a second contact carrying arm... | 11/06/1990 |
| 4926018 | Moving mains arc movement loop A contact blade for a circuit breaker configured such that the current path in the blade produces a magnetic field which affects an arc present at the contact of the blade. The configuration of the blade produces a substantially U-shaped current loop in t... | 05/15/1990 |
| 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 |
| 4877929 | Breaking device for multipole electrical circuit breaker with multiple contacts An arc extinguishing chamber with plates, for a high-rating low voltage circuit breaker, interrupts an arc generated by a multiple contact system having a set of movable main contacts and a movable arcing contact cooperating with corresponding stationary ... | 10/31/1989 |
| 4719325 | Contact arrangement with contact levers pivoted relative to each other in a holder For receiving the contact levers of a contact arrangement, a holder is provided, in which the contact levers are supported so that they can be tilted relative to each other. The holder in turn can be moved in a stationary bearing strap for switching on an... | 01/12/1988 |
| 4709127 | Contact arrangement with spacers separating contact levers from each other A contact arrangement for a low-voltage circuit breaker comprises a movable part having several contact levers. For preventing undersirable deflection of a joint pin going through the contact levers, support levers are arranged between the contact levers,... | 11/24/1987 |
| 4521654 | High voltage disconnect switch employing pre-contact pieces A high voltage disconnect switch, including a countercontact piece having switch countercontacts and being arranged for connection to a source of high voltage. Resilient pre-contact pieces are insulatingly connected to the countercontact piece and include... | 06/04/1985 |
| 4158829 | Electromagnetically operated DC power contactor An electromagnetically operated DC power contactor for high voltage and current use constructed to afford the required contact pressure at the arcing and main contacts with minimal magnet force together with the provision of contact wipe and shearing and ... | 06/19/1979 |
| 4078218 | Magnetic contactor A magnetic contactor characterized by stationary and movable contacts with the stationary contact comprising at least two contact sections including a pivot section for limited movement toward the movable contact. The pivot section is mounted on a pivot e... | 03/07/1978 |
