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| Number | Title | Issue Date |
| 7868731 | Thermal overload relay A thermal overload relay is provided with an external case, and an adjustment dial with a cam inserted into an adjustment dial insertion hole provided in the external case for adjusting a settling current. A press-fitting section is provided at one of the adjustment... | 01/11/2011 |
| 7821376 | Method for adjusting trip sensitivity of thermal overload protection apparatus A method for adjusting a trip sensitivity in a thermal overload protection apparatus, including setting an adjusting reference point; measuring a normal position of bimetals; measuring a moving distance at a time of trip operation of a trip latch mechanism; deciding... | 10/26/2010 |
| 7714692 | Thermal overload trip apparatus and method for adjusting trip sensitivity thereof A thermal overload trip apparatus capable of minimizing inferiority caused by variations during manufacturing of an adjusting means and simply adjusting sensitivity by duplicating the means for adjusting a sensitivity to a trip operation current, comprising: a trip ... | 05/11/2010 |
| 7372356 | Concealed adjustable temperature switch A concealed adjustable temperature switch includes a fixed plate, an adjusting block threadedly engaged with a screw hole of the fixed plate, a bimetal plate, and a metal plate. Mounted on the adjusting block are upper and lower positioning rings and a fixing ring b... | 05/13/2008 |
| 7323957 | Electro-mechanical relay The electro-mechanical relay comprises a base having a transversal axis and a rocking member operatively connected over the base. The rocking member is pivotable, with reference to the transversal axis, between a first position and a second position. The relay also ... | 01/29/2008 |
| 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 |
| 6816055 | Adjusting device for a thermal trip element An adjusting device is for a thermal trip element of a switchgear. It includes a bimetallic element that is stationarily fixed on a bimetallic support. The free end of the bimetallic element is spaced apart form a trip lever and increasingly impinges the same in the... | 11/09/2004 |
| 6720856 | Calibration structure for circuit breakers having bimetallic trip member A thermally compensated circuit breaker has a movable contact assembly (24) which mounts a movable electrical contact (24m) for movement between open and closed contacts positions with a stationary electrical contact (26). The contacts ar... | 04/13/2004 |
| 6661329 | Adjustable thermal trip assembly for a circuit breaker The circuit breaker current/time characteristic value at which the bimetal in a thermal trip assembly actuates a trip mechanism is adjusted by an adjustable coupler that includes first and second pivoted members separately rotatable about a common pivot a... | 12/09/2003 |
| 4148004 | Circuit breaker with calibrating means A circuit breaker characterized by an electrically insulating housing containing a circuit breaker structure comprising a pair of separable contacts and having associated therewith a bimetal member having one end fixedly mounted on an outturned flange of ... | 04/03/1979 |