Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electrical power distribution systems and devices
Patent
1992-05-15
1994-01-18
Tolin, Gerald P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electrical power distribution systems and devices
361730, 361744, H02B 118
Patent
active
052804089
ABSTRACT:
A transformer apparatus whose transformer and a plurality of circuit-breakers are individually accommodated in a plurality of different casings. The casings are stacked one above each other in a plurality of stages with gaps between two subsequent casings and between the casing in the lowermost stage and the floor surface on which the apparatus is mounted. When a specific casing among the plurality of casings which is in an intermediate stage is to be dismounted, support columns are disposed on the outside of the specific casing with their respective ends inserted into the relevant gaps in such a manner that the support columns support the upper subsequent casing, thereby enabling the intermediate casing to be dismounted and remounted.
REFERENCES:
patent: 3780354 (1973-12-01), Sharp
patent: 3842321 (1974-10-01), Caton
patent: 4233643 (1980-11-01), Iverson et al.
patent: 4677524 (1987-06-01), Shiraishi et al.
patent: 4710850 (1987-12-01), Jahn et al.
patent: 5057971 (1991-10-01), Hautvast et al.
Izumi Toshiaki
Tanimizu Tooru
Hitachi , Ltd.
Tolin Gerald P.
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