Padmounted transformer

Details Padmounted transformer Padmounted transformer

1984-06-08

1985-12-03

Askin, Laramie E.

Electricity: conductors and insulators

Boxes and housings

Hermetic sealed envelope type

220337, H05K 502

Patent

active

045567581

ABSTRACT:
A padmounted transformer having an improved terminal cover-to-tank interface, which improves tamper resistance, improves corrosion resistance, and reduces manufacturing costs. The interface is formed by two equal, opposite facing acute angles in the cover, and a single obtuse angle in the adjacent tank, with the obtuse angle being substantially equal to 180.degree. minus the value of an acute angle. Closure of the terminal cover causes a leg of the obtuse angle to enter the vertex of an acute angle, to create a tortuous path for elongated foreign objects, such as a wire, and for providing a sloping surface which causes prybars to slide out of the interface seam.

REFERENCES:
patent: 3841032 (1974-10-01), Grannis, III
patent: 3944718 (1976-03-01), Bright

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