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| Number | Title | Issue Date |
| 5004994 | Push-to-trip high-amp circuit breaker A low voltage high-amp circuit breaker (20) having a substantially reactangular bimetallic bistable element (41). The bistable element is attached to have one end move from a first normal electrically conductive position to a second non-electrically condu... | 04/02/1991 |
| 4988969 | Higher current carrying capacity 250V subminiature fuse A subminiature fuse is disclosed comprising two terminals (20, 30), two substrates (80, 90), a fusible conductor (140), an insulating coating (180), and a unitary housing (170). The unitary housing is protected from the interrupt arc by the substrates (80... | 01/29/1991 |
| 4924203 | Wire bonded microfuse and method of making A microfuse (10) with a ceramic chip (12), thick film pads (14), fusible wire (16), attached to pads (14) without solder or flux, in an insulating enclosure or fuse tube (40). Ferrules (42) are attached to metallized areas (14) with solder (44). Performan... | 05/08/1990 |
| 4921445 | Rail mounting apparatus for electrical components A rail mounting apparatus 10 comprising a spring clamp holder (20) and spring clamp (30). Rail mounting assembly (10) is attached to the bottom of a fuse block (52) and is used to clamp the fuse block (52) to a rail (50) such as a DIN rail in an electrica... | 05/01/1990 |
| 4921450 | Space saving multipole fuse block A space saving multipole fuse block 20 wherein side poles 32 are tilted outward approximately 30° from center pole 30. In control panels for electrical equipment it is necessary to save space by minimizing the base area of components. Tilting side poles ... | 05/01/1990 |
| 4916274 | Snap action sump pump switch A snap action switch is provided with an operating member in the form of an operating lever and a one piece actuating lever with a compression spring interposed therebetween.... | 04/10/1990 |
| 4912591 | Distribution line switchgear control employing a precision rectifier A distribution line switchgear control which is particularly suitable for use with recloser switchgear which requires small amounts of power from the control for operation. The control is most usefully powered for continued operation by small amounts of l... | 03/27/1990 |
| 4883930 | Switch mechanism operating rod A switch apparatus comprising a switch mechanism including a first contact, and a second contact movable into and out of engagement with the first contact for respectively closing and opening the switch mechanism, an operating rod assembly connected to th... | 11/28/1989 |
| 4882456 | Locking device for electrical switch or circuit breaker handle A locking device for a circuit breaker or electrical switch handle includes a support member having an opening conforming to the shape of the switch handle housing or escutcheon and a pair of spaced apart upstanding flanges projecting from the opening. A ... | 11/21/1989 |
| 4878143 | Line current to time interpolator A line current to time interpolator circuit senses the magnitude of current in a power distribution line and develops and AC voltage indicative of the current magnitude. The AC voltage is phase shifted multiple times to produce a number of phase shifted r... | 10/31/1989 |
| 4873506 | Metallo-organic film fractional ampere fuses and method of making A fractional amp fuse (10) with a thin film fusible element (16) connecting thick film pads (14) supported by a polished insulating substrate (12). The fuse subassembly has leads (24) attached by resistance welding and is encapsulated in a ceramic insulat... | 10/10/1989 |
