Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – Of storage or hazardous area or fluid handling
Patent
1989-01-13
1989-09-12
Hix, L. T.
Electricity: electrical systems and devices
Discharging or preventing accumulation of electric charge
Of storage or hazardous area or fluid handling
361220, 174 47, 15339, H05G 302
Patent
active
048665657
ABSTRACT:
A wire molded into the wall of a vacuum cleaner hose and having electrical conductivity through the vacuum cleaning system by metal to metal conduct and additionally being provided with a grounding cable connected to an external ground bar for dissipating any electrostatic charges built up in the vacuum cleaning system. The vacuum cleaning tools used with the system are at least partially fabricated of static discharging materials in order to further prevent static build-up in the vacuum cleaning system.
REFERENCES:
patent: 2263221 (1941-11-01), Merrill
patent: 3343154 (1967-09-01), Seesselberg
patent: 4473923 (1984-10-01), Neroni et al.
patent: 4697300 (1987-10-01), Warlop
patent: 4715085 (1987-12-01), Johanson
patent: 4715086 (1987-12-01), Johanson et al.
Brown Brian W.
Hix L. T,.
Miller Alfred E.
The Kent Company
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