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| Number | Title | Issue Date |
| 8174350 | Thermal overload relay A thermal overload relay has a case, a main bimetal bending upon detection of an overload current, a release lever rotatably supported by an adjusting link and rotating according to a shifter displaced in response to the bending of the main bimetals, and a contact r... | 05/08/2012 |
| 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 |
| 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 |
| 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 |
| 6459355 | Thermal overload relay A thermal overload relay includes an inversion operation mechanism that is driven by a releasing lever to open or close a contact. The inversion operation mechanism includes a movable plate supported at one end so as to be inverted, and a tension spring f... | 10/01/2002 |
| 6445275 | Overload-protection push-button switch with automatic resetting mechanism of pull-push type An overload-protection push-button switch with automatic resetting mechanism of pull-push type is disclosed. The switch is characterized in that a pull-push rod and a floating rocker are used to transmit a force on a pressing stem to a conducting leaf. Mo... | 09/03/2002 |
| 5889457 | Overload protective circuit breaker switch An overload protective circuit breaker switch including: a first fixed contact and a second fixed contact adapted to connect an electric appliance to power supply; a movable contact adapted to form with the first fixed contact and the second fixed contact... | 03/30/1999 |
| 5796327 | Thermally responsive electrical switches A thermally-responsive current-sensitive switch having a molded plastic body containing first and second terminals in the form of metal stampings and having an internal chamber wherein a leaf spring and a snap-acting bimetallic blade of the same shape are... | 08/18/1998 |
| 5453725 | Overcurrent breaker switch An overcurrent breaker switch includes an upper housing including a lever block with a push rod and a lower housing engaged with the upper housing. First and second blades are mounted to the lower housing, the second blade having a dual metal plate mounte... | 09/26/1995 |
| 5138296 | Electric switch The present invention is an electric switch for switching individual phases of multi-phase AC electric power. The switch has at least one pair of fixed terminals with each terminal of the pair having an ear extending upward in a vertical plane. The switch... | 08/11/1992 |
