Metal working – Means to assemble or disassemble – Means to disassemble electrical device
Patent
1993-12-13
1995-08-29
Vo, Peter Dungba
Metal working
Means to assemble or disassemble
Means to disassemble electrical device
29278, 29758, 81 343, B23P 1904
Patent
active
054449073
ABSTRACT:
A device to provide a quick and safe elimination of the supply of electricity to a building. The device attaches to the protective housing of the electric meter and permits the user to remain at a safe distance while further providing leverage to be applied to the meter to facilitate removal. If arcing of the electricity flowing through the meter occurs, the operator is safe from it harmful effects. It being recognized that during firefighting operations water is being applied in vast quantities and the dangers of arcing are significantly increased when water is present. The elimination of the supply of electricity to a building on fire is necessary to ensure the safety of the firefighters and other emergency personnel. The device is simple to apply and is applicable to all known types and sizes of meters. The extensive use of nonconductive materials, in the design of the device, ensure the safety of the user. Once the housing cover is opened or removed the device is secured to the protective cover of the meter by encircling the cover with a strap or band. A wedge shaped, or raised section, is provided to ensure a secure attachment to the protective cover, which generally tapers slightly inward toward the exposed end. Upward or downward pressure is then applied to the opposing end from attachment, the meter is pivoted, the connections disengage, the meter is removed from its housing, and the flow of electricity is terminated, while the operator remains at a safe distance.
REFERENCES:
patent: 1898409 (1933-02-01), Underwood
patent: 2481055 (1949-09-01), Whitaker
patent: 2771802 (1956-11-01), Lewis
patent: 3044158 (1962-07-01), Bushnell
patent: 3103836 (1963-09-01), Bristol, III
patent: 4122599 (1978-10-01), Lunycz
patent: 5097581 (1992-03-01), Williams et al.
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