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| Number | Title | Issue Date |
| 8188831 | Thermal overload relay A thermal overload relay includes a main bimetal for detection of an overload current, a shifter associated with the main bimetal, a release lever working according to a displacement of the shifter, a contact reversing mechanism for changing-over contacts by reversi... | 05/29/2012 |
| 8138879 | Thermal overload relay A thermal overload relay includes main bimetals which bend upon detection of an overload current; a release lever displaced via movement of a shifter moved in response to the bending of the main bimetals; and a contact reversing mechanism for changing-over contacts ... | 03/20/2012 |
| 7489227 | Electrical receptacle with multiple heat sensors An electrical receptacle has multiple thermal sensors, each of which can trigger automatic shut off when the temperature rises above a predetermined threshold. After automatically turning off, the receptacle remains permanently non-conducting. ... | 02/10/2009 |
| 7405645 | Thermally activated circuit interrupter A thermally activated circuit interrupter (10) has a cantilever mounted, snap acting thermostatic disc (16) mounting a movable electric contact (18) that is adapted to move between a contacts engaged position and a tripped, contacts disengaged p... | 07/29/2008 |
| 7324876 | System for remotely controlling energy distribution at local sites A power management system and associated method includes provision of local wireless energy control units at remote sites for controlling power delivery to customer loads, and a central station with a wireless transmitter for broadcasting commands to the wireless en... | 01/29/2008 |
| 7317375 | Adjustable safety switch A switch device includes a body with a switch member pivotably engaged with a top opening of the body and a first terminal and a second terminal respectively extend through two slots in a bottom of the body. A connection member is fixedly connected to an inside of t... | 01/08/2008 |
| 7312687 | Protective switch for protecting a circuit A protective switch for protecting a circuit includes an operating element or rocker switch, contact connections projecting from a housing, a contact spring electrically connected to a first contact connection and having a free end covering a second contact connecti... | 12/25/2007 |
| 7304560 | Safety switches A safety switch includes a switch member and a push rod is pivotably connected to an inside of the switch member. A biasing member pushes the push rod toward a stop rod extending from the inside of the switch member. A bi-metallic contact plate has a first end fixed... | 12/04/2007 |
| 7292129 | Protection device for switches A switch device includes a body with a switch member pivotably engaged with a top opening of the body and a first terminal and a second terminal respectively extend through a bottom of the body. A bi-metallic plate has a first end fixed to the first terminal and inc... | 11/06/2007 |
| 7291796 | Press switch having a force-to-detach function A press switch includes a base, a contractible pulling rod, an upper casing, and an actuator, and when the actuator is pressed to compress a resilient spring between the upper casing and the actuator, such that the contractible pulling rod and its press terminal mov... | 11/06/2007 |
| 7288853 | Power control center with solid state device for controlling power transmission A semiconductor device for an automotive power control center. The device can include first, second and third legs, a semiconductor and an insulating material. The semiconductor is coupled to the legs and configured to transmit relatively high current power between ... | 10/30/2007 |
| 7283031 | Circuit breaker A breaker has a first conducting strip and a second conducting strip respectively mounted on a lower end of a shell; a first terminal mounted on the second conducting strip; a bimetal strip securely provided on a first conducting strip; a second terminal mounted on ... | 10/16/2007 |
| 7268447 | Power control center with solid state device for controlling power transmission An automotive power control center that includes a housing, a first conductor coupled to the housing, a second conductor, a control circuit, which is coupled to the housing, and a semiconductor. The second conductor is coupled to the housing and insulated from the f... | 09/11/2007 |
| 7268446 | Power control center with solid state device for controlling power transmission An automotive power control center that includes a housing, a first conductor coupled to the housing, a second conductor, a control circuit, which is coupled to the housing, and a semiconductor. The second conductor is coupled to the housing and insulated from the f... | 09/11/2007 |
| 7265652 | Controllable electronic switch A controllable electronic switch for, e.g., controlling power distribution comprises a deformable member such as a bimetal arm that can be deformed to break an electrical path. The deformable member may be anchored at one end and in controllable contact with an elec... | 09/04/2007 |
| 7259343 | Safety switch A safety switch has a casing, a first circuit prong, a second circuit prong, a switch contact, a rocker, an arm and a latch. The first and second circuit prongs are mounted in and extend through the casing. The switch contact bends upward when temperature of the swi... | 08/21/2007 |
| 7248140 | Adjustable safety switch A switch device includes a body with switch pivotably connected to a top thereof and two terminals extend through an underside of the body. A first contact point is connected to one of the terminals and a bi-metallic plate has a first end fixed to the other terminal... | 07/24/2007 |
| 7236082 | Circuit breaker structure An improved structure of a circuit breaker is provided which comprises a housing, a rocker-switch, a push-shaft, a pull-shaft, a bimetallic strip, and other parts. There are three terminals under the rocker-switch inside the housing. A bimetallic strip embedded in a... | 06/26/2007 |
| 7230516 | Circuit breaker A circuit breaker includes a body having a neck member integrally connected thereto. A flange extends from an inner periphery of the neck member and a recess is defined in an inner periphery of the flange. Two terminals are connected to the body and a bi-metallic pl... | 06/12/2007 |
| 7202769 | Protection mechanism for switch A protection mechanism includes a first member connected to a switch member pivotably connected to an open top of a case so as to lift a bimetallic plate when the switch device is set to an “OFF” status, and a second member that is pivotably connected to an exte... | 04/10/2007 |
| 7148784 | Safety switch device A safety switch device includes a case with a switch pivotally engaged with an open top of the case and a ramp defined in an inside of the case. Two terminals are extended from the bottom of the case and a bimetallic plate having a first end fixed to one of the term... | 12/12/2006 |
| 7135953 | Adjusting device for a thermal trip An adjusting device is for a thermal trip of a switchgear. It includes a bimetal, which is held in a fixed manner on a bimetal support, whose free end is located at a distance from a tripping lever, and which increasingly acts upon this tripping lever in a tripping ... | 11/14/2006 |
| 7116207 | Safety device for switches A switch includes a body and a switch member is pivotably engaged with the top opening of the body. A resilient member is connected between an inside of the body and a first end of the switch member. The switch member further has an extension extending from a second... | 10/03/2006 |
| 7026906 | Circuit breaker A circuit breaker has a housing in which two conductive plates, a bimetallic strip and a swing plate with a U-shaped notch are retained, wherein a switch is mounted at the top of the housing. Each conductive plate has an end protruding from a bottom of the body. The... | 04/11/2006 |
| 7009153 | Thermal fixing device and image forming apparatus A heat roller with which a pressure roller is brought into press contact is rotatably supported by a bearing member made of a material which is softened when heated above a thermal fixation temperature, a thermostat in which a bimetal is exposed toward the heat roll... | 03/07/2006 |
| 7005597 | Switch device A switch device capable of increasing the operation speed at the time of reversion of contacts, thereby suppressing generation of arcs, and capable of increasing the contact pressure between the contacts, thereby reducing the bouncing of the contacts. A first rotor ... | 02/28/2006 |
| 6992559 | Overload protection switch An overload protection switch has a conductor interconnecting the first primary leg and a second primary leg so that when current passes through the switch, the current not only raises the temperature of the bi-metal plate, but also raises the temperature of the con... | 01/31/2006 |
| 6984798 | Safety switch A safety switch comprises a hollow body having an opening and a lower end of the hollow body having three slots; a button pivotally installed upon the opening; a first power terminal installed at one of the three slots; a second power terminal installed at another o... | 01/10/2006 |
| 6940031 | Switching device A switching device in which the intermediate part of shape-memory-alloy wire (17) is retained by actuator (9) connected to one end of link mechanism (4), and both ends of shape-memory-alloy wire (17) are fixedly retained by printed-circui... | 09/06/2005 |
| 6800826 | Activation mechanism for switch devices A switch includes a casing and a push member movably connected to atop of the casing. A path is defined in the casing and a guide pin is pivotably connected to the push member wherein the guide pin includes an insertion that is movably engaged with the path. A drivi... | 10/05/2004 |
| 6741157 | Electrical switch with circuit breaker An electric switch having a circuit breaker includes a manually operable actuator that moves one contact between a first and a second position. A bimetal member moves another contact between a first and a second position in response to an electric current above a gi... | 05/25/2004 |
| 6714116 | Circuit breaker switch A circuit breaker switch is disclosed, including a rocker, an actuator, and a dielectric separator element. The rocker is positionable between a first on position and a second off position. The actuator element is coupled to the rocker such that it causes a first el... | 03/30/2004 |
| 6713704 | Pushbutton assembly A pushbutton assembly includes a housing and a button slidable with respect to the housing. A positioning disk is pivotally connected to the housing and has a positioning hole to receive therein a bent of a positioning rod which is pivotally connected to the button.... | 03/30/2004 |
| 6621402 | Circuit breaker A circuit breaker includes a housing having a rim defining an open top and having a closed bottom defining two slots. A button is pivotally connected to the housing at the open top and is pivotal relative to the housing between two extreme positions. A fi... | 09/16/2003 |
| 6617951 | Safety switch A safety switch includes a casing having a first terminal plate having a first contact point and a second terminal plate to which an end of a bi-metal plate is connected. A second contact point is connected to the bi-metal plate. A movable member is movab... | 09/09/2003 |
| 6577221 | Safety switch A safety switch is constructed to include two metal contact plates, a bimetal contact plate suspended from one metal contact plate, a switching handle, a push and pull bar pivoted to the switching handle and driven by the switching handle to move the bime... | 06/10/2003 |
| 6570481 | Circuit breaker The invention relates to a circuit breaker having a crossbar (7) that is supported swingably onto a base (1B) to hold swingably movable contacts (4), and has the small reduction of overtravel in the elapsed years, and can reduce its size. The bending modu... | 05/27/2003 |
| 6563414 | Switch having a bimetal plate with two legs A switch device includes a switch case having a passage in a top thereof so as to receive a button therein. A non-conductive plate extends laterally from the button. A first terminal plate and a second terminal plate respectively extend from the casing. A... | 05/13/2003 |
| 6552643 | Structure of a depress-type safety switch An improved structure of a depress-type safety switch comprising a main body, press button, actuating block, the top section of the main body being opened to accommodate the press button and the actuating block, and the bottom panel being provided with a ... | 04/22/2003 |
| 6552644 | Safety press-button switch A safety press-button switch includes a linkage formed of a lever and a switching rod pivoted together, and a press-button cap having a push rod and a hook arm respectively aimed at the switching rod and a positioning rod of the lever and adapted to force... | 04/22/2003 |