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| Number | Title | Issue Date |
| 7898372 | Method and apparatus for control contacts of an automatic transfer switch An automatic transfer switch includes a solenoid control contacts assembly, an auxiliary contacts assembly, a dual purpose cam attached to a cylindrical shaped weight, and a solenoid actuator. When energized, the solenoid actuator rotates the cylindrical weight and ... | 03/01/2011 |
| 7218192 | Lockable fastener and circuit breaker employing the same A lockable fastener connects together a plurality of components of a circuit breaker and maintains electrical conductivity between the components while permitting relative movement therebetween. The lockable fastener includes a first clinch nut member and a second c... | 05/15/2007 |
| 7053320 | Switch device A switch device is configured by engaging a plurality of switches in a cam section of an operating member in a manner such that a detecting section can detect positions of operation of the operating member based on electric ON/OFF states of the switches. With this a... | 05/30/2006 |
| 7034642 | Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating A moving contact assembly for a high-current interruption electric power switching apparatus has an inner carrier for the contact fingers that is rigidly held in a withstand position in an outer carrier by a spring biased cam follower pin engaging a cam profile on t... | 04/25/2006 |
| 6628184 | Field configurable contacts and contactor A field configurable contactor is disclosed. The contactor preferably includes a plurality of spaces adapted to receive any number, up to its limit, of contact modules. Each contact module preferably includes a pair of contacts and a spring biased cam fol... | 09/30/2003 |
| 6424244 | Magnetic switch The invention relates to a magnetic switch having a yoke which has the shape of a rotationally symmetrical cup on the base of which is arranged a permanent magnet. The flux of the permanent magnet is conducted via a core, which has a radial core flange, t... | 07/23/2002 |
| 6310529 | Bi-stable battery switch The present invention is for a bi-stable battery switch incorporated preferably for internal use into a remotely switchable storage battery, or, in the alternative, for external use with a battery. A bifurcated contact assembly incorporating dual bus bars... | 10/30/2001 |
| 6075218 | Load-break switch A load-break switch or load disconnecting switch with a spring-type over-center device whose axis actuates a switching means drive, preferably a switching shaft, includes a lever actuated by a magnet, wherein the magnet moves the lever along a path of mov... | 06/13/2000 |
| 5994988 | Movable contact structure for a circuit breaker, including crossbar and spring biased cam mechanism A circuit breaker (10) has a housing (12). A crossbar (114) is pivotally connected to the housing to pivot about an axis (117) between open and closed positions. A load contact arm (110) is pivotally connected to the crossbar (114). The load contact arm (... | 11/30/1999 |
| 5949314 | Electromagnetic drive for a switch An electromagnetic drive for a switch, preferably a motor protective circuit-breaker. The electromagnetic drive has a magnetic system, whose movable armature serves to actuate switching contact elements in the switch. The armature is coupled to a transmis... | 09/07/1999 |
| 5933065 | Control and signalling device for protective switching apparatus The present invention relates to a control and signalling device for a protective switching apparatus of the relay switch type which is provided with power switches (1) and a protection assembly (4) and is capable of detecting faults (overloads or overcur... | 08/03/1999 |
| 5926081 | Circuit breaker having a cam structure which aids blow open operation A circuit breaker includes a cam assembly which holds the load blade in contact with the line strap during normal operation. The cam assembly includes a cam surface on a cam which can slide along the load blade and a bearing surface on the load blade. In ... | 07/20/1999 |
| 5834996 | Electric switch having undervoltage tripping An electric switch (1) includes a switching device (4), movable between its ON position and OFF position, for switching a current circuit. The switch (1) is combined with a magnetic circuit (28, 29) for electromagnetic undervoltage tripping. In the event ... | 11/10/1998 |
| 5777536 | Sealed electric switch assembly A sealed electric switch assembly comprises a magnetic control assembly having first and second magnetic members which is mounted to a top wall of a sealed casing, and an elongated plate having third and fourth magnetic members which is mounted oppositely... | 07/07/1998 |
| 5774031 | Low-voltage power switch with relative auxiliary switch A low-voltage power switch with a relative auxiliary switch which is actuated as a signalling switch only when the generally multi-pole low-voltage power switch is triggered. The problem to be solved is that of controlling relative auxiliary switches simp... | 06/30/1998 |
| 5719364 | Reverser switch An auxiliary reverser switch for a vehicle which includes a housing mounted in the vehicle in proximity to the operator and having a lever for selecting FORWARD, NEUTRAL and REVERSE positions for vehicle movement. The reverser switch is in addition to a s... | 02/17/1998 |
| 5512869 | Linear control apparatus for a circuit-breaker Linear control apparatus for a circuit-breaker, the apparatus including a slidably-mounted tubular arm actuated by a solenoid, and a "disengagement" first slide which presses against the tubular arm, the first slide being subjected to a first spring assem... | 04/30/1996 |
| 5504467 | Circuit breaker with improved contact arm follower spring arrangement A current limiting circuit breaker including a novel spring arrangement between the contact arms of the circuit breaker and the crossbar. The spring arrangement includes a single spring which holds the cam follower attached to each associated contact arm ... | 04/02/1996 |
| 5347248 | Protective switching device for difference-current and undervoltage tripping A protective switching device with difference-current, undervoltage and free tripping in a confined space, for example within a conventional mains angle plug or the like, the switch-on and plunger-type magnet mechanics and the electronic monitoring arrang... | 09/13/1994 |
| 5321376 | Tagging relay A tagging relay is designed to provide for remote, central control of electrical distribution lines and their respective breaker coils, such control formerly being manually effected only. The relay has a switch shaft construction rotatable from a first, "... | 06/14/1994 |
| 5300907 | Operating mechanism of a molded case circuit breaker An operating for a circuit breaker including a pivoting handle for controlling opening and closing of the circuit breaker and resetting of the latch after tripping. The handle bears a resetting roller which cooperates with a cam surface of the latch, whic... | 04/05/1994 |
| 5216399 | Automatic cancelling device for blinkers An automatic cancelling device for electric-type blinkers comprises: a case; a blinker operation lever pivotably connected to the case about an axis; an engagement rod slidably disposed on the blinker operation lever and biased in a direction away from th... | 06/01/1993 |
| 5140117 | Two-link, trip-free mechanism for use in a switch assembly A two-link, trip-free operating mechanism assembly for a switch includes a first pivotally-mounted link comprising a switch lever arm. One end of the switch lever arm is coupled to the switch and a second end of the switch lever arm has a roller mounted t... | 08/18/1992 |
| 5124679 | Automatic power breaker and relay and water sensor used in the automatic power breaker A relay includes a movable element having first and second portions separated from each other. The first portion can be moved between a first stable position corresponding to a state where contacts are closed and a second stable position corresponding to ... | 06/23/1992 |
| 5089797 | Circuit breaker with dual function electromagnetic tripping mechanism A circuit breaker embodies with a single electromagnetically actuated plunger two levels of actuation, corresponding to two levels of excessive current or voltage defined by two different airgaps, one at the lower level for triggering the toggle mechanism... | 02/18/1992 |
| 5070361 | Molded case circuit breaker operating mechanism assembly An operating mechanism assembly used within molded case circuit breakers employing electronic trip units interconnects the operating mechanism with the circuit breaker movable contact arms by means of a slotted-cam arrangement. The slotted-cam optimizes t... | 12/03/1991 |
| 5068633 | Automatic canceling device for a winker An automatic cancelling device for a winker is disclosed, in which a locking removing member can efficiently transmit a stroke of a working member of a solenoid when returning a holder to neutral position. Construction of the locking removing member inclu... | 11/26/1991 |
| 4939540 | Winker automatic canceling device An automatic canceling device for a winker system of an automobile that can effectively reduce the size of the solenoid incorporated and hence the overall size as well as the manufacturing cost of the device is provided. Such an automatic canceling device... | 07/03/1990 |
| 4916422 | Apparatus for electrically operating a circuit breaker An apparatus for electrically operating a circuit breaker comprising an electrically powered pawl which is driven by an electric motor for causing a ratchet to rotate and a release mechanism for causing the electrically powered pawl to move out of driven ... | 04/10/1990 |
| 4912441 | Drive mechanism for circuit breaker A circuit breaker consisting of a housing having a fixed contact and a movable contact mounted on a blade which in turn is pivotally supported on a blade carrier that is pivoted within the housing and a handle that cooperates with the blade carrier to piv... | 03/27/1990 |
| 4887057 | Cam roll pin assembly A cam roll pin assembly includes a cylindrical portion having an extending axle at each end for receiving a small roller and a relatively larger roller. The smaller roller is provided for engaging the cam surface on the contact assembly. The larger roller... | 12/12/1989 |
| 4849726 | Circuit breaker A circuit breaker of a current-limiting type, which is able to open quickly by using a magnetic repulsive force generated when currents of opposite direction flow through a fixed contactor and a movable contactor which are arranged in parallel to each oth... | 07/18/1989 |
| 4748428 | Multi-pole circuit interrupter A multi-pole circuit interrupter having a first pole unit provided with an operating mechanism and a second pole unit provided with no operating mechanism. Each of the pole units comprises a movable contact, a stationary contact, and a contact arm assembl... | 05/31/1988 |
| 4745384 | Circuit interrupter A circuit interrupter comprises a contact arm assembly for supporting the movable contact composed of a first contact arm and a second contact arm pivotally supported by a common pin, the first contact arm having an elongated guide hole extending in the d... | 05/17/1988 |
| 4736174 | Molded case circuit breaker operating mechanism A circuit breaker operating mechanism for automated assembly finds application within circuit breakers of different ampere ratings. The circuit breaker contacts are opened and closed by means of a roller connected to the circuit breaker operating handle t... | 04/05/1988 |
| 4725801 | Bistable solenoid switch A bistable solenoid switch has a plunger and associated movable contact adapted for controlled reciprocation by a coil and bobbin assembly to either of two stable states not requiring sustained energization of the coil. The movable contact is biased towar... | 02/16/1988 |
| 4658226 | Electromagnetic relay with linearly moving block assembly An electromagnetic relay includes a moving block assembly which is selectively attracted by the energization of the electromagnet in the relay and moves in a direction perpendicular to the axis of an iron core within the electromagnet, thus actuating a mo... | 04/14/1987 |
| 4638277 | Circuit breaker with blow open latch An electric circuit breaker with blow open contact arm characterized by a pair of separable contacts one of which is mounted on a contact arm that is rotatably mounted on mounting bracket. The contacts maintain a repulsion magnetic force which operates to... | 01/20/1987 |
| 4635012 | Contactor structure of circuit breaker Individual movable contactors of a circuit breaker are made up of a pair of conductors. The first conductor has one end bifurcated to form a pair of legs separated by a slit. At the open end each leg has a curved inner portion the opposed curved portions ... | 01/06/1987 |
| 4631507 | Variable composition switching device A variable composition switching device which comprises one basic modular component incorporating at least one controllable switching device, one direct switching control modular component and/or one indirect switching control modular component. This indi... | 12/23/1986 |
