Electricity: electrical systems and devices – Miscellaneous
Patent
1983-04-05
1985-01-01
Pellinen, A. D.
Electricity: electrical systems and devices
Miscellaneous
200 50AA, 361349, H02B 1112
Patent
active
044918984
ABSTRACT:
A fuse mounting arrangement for a pad mounted underground electrical power distribution systems includes at least one fuse panel which is slideably mounted by means of slide bearing assemblies in a housing enclosure. The fuse panel is removably mounted on the slide bearing mounting channel by means of cooperating tabs, slots and C-shaped loops or eyes. Should a fuse panel or its associated power fuse require replacement, safety interlock means including fixed locking pins and a cooperating U-shaped handle having hooked portions for engaging the locking pins are provided. It is imperative that the fuse panel and its fuse be electrically isolated prior to removal or withdrawal of the same from the housing enclosure. Therefore, the fuse elbow connector and its associated line conductor are disposed in front of the handle which is pivotably mounted upon the fuse panel between a locking position and a release position. Normal disposition of the elbow connector and its line conductor in front of the handle prevents the handle from being pivoted to its release position. However, if the elbow connector and the line conductor are removed from the fuse prior to removal or withdrawal of the fuse panel from the housing enclosure, the fuse will be electrically isolated and the handle can be pivoted to its release position so as to permit withdrawal of the fuse panel and its fuse from the housing enclosure.
REFERENCES:
patent: 3458672 (1969-07-01), Vogel
patent: 4250357 (1981-02-01), Hanke
Dragon James W.
Hillman Carl M.
Gealow Jon Carl
Ginsburg Morris
MacKinnon Charles W.
McGraw-Edison Company
Paniaguas John S.
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