Protective shutter assembly for electrical terminals and method

Details Protective shutter assembly for electrical terminals and method Protective shutter assembly for electrical terminals and method

1993-02-25

1994-07-05

Thompson, Gregory D.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electrical power distribution systems and devices

200 50AA, H02B 114

Patent

active

053273214

ABSTRACT:
The present invention provides a shutter assembly for covering an exposed electrical terminal located in a control center into which removably inserts an electrical control device connecting to the terminal. The assembly includes a shutter to cover the exposed terminal when superposed thereover. The shutter has a pivotal axis at one end, so that the opposite end of the shutter pivots away from the exposed terminal and swings clear of the control device to provide access to the terminal. The rotation of the shutter is automatically controlled to expose the terminal when the control device is inserted in the cell and reversibly pivots the shutter to cover the terminal upon removing the control device from the cell. The present invention also provides a method of safely protecting an exposed terminal mounted in a control center. A control center is provided with a partially enclosed framework for removably inserting a control device. Subsequently, a self-contained shutter assembly is installed for supporting a shutter in a superposed relation over the exposed terminals and for controlling the rotation of the shutter to expose the terminal when the control device is inserted in the cell and reversibly pivots the shutter to cover the terminal upon removing the control device from the cell.

REFERENCES:
patent: 4351990 (1982-09-01), Hesselbart et al.

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