Terminal box for a lifting magnet

Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type

Patent

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Details

335294, H01F 706

Patent

active

041122488

ABSTRACT:
A terminal box for a lifting magnet has a bottom mounting surface to be secured to the casing of the lifting magnet over a pair of apertures in the casing through which the coil conductor leads pass. An arcuate protective shield of the box extends upwardly from the outer edge of its bottom surface adjacent to the outer edge of the magnet casing and from the side edges of the bottom mounting surface. The protective shield slants inwardly from the outer edge of the magnet as it extends upwardly from its base. A winged housing of the box has a top surface recessed below the upper edge of the shield. Internally, the housing is divided by a walled divider in the shape of an "H" into individually sealable chambers two of which are in communication with openings in the bottom mounting surface. The openings in the bottom mounting surface are spaced to correspond to the apertures in the casing. The housing has conductor lead passages through the dividing walls of the walled divider so that the individually sealed chambers are in communication with one another and has at least one conductor lead passage to provide access to the outside of the housing for receiving the service leads.

REFERENCES:
patent: 2160019 (1939-05-01), Hodgson
patent: 2476049 (1949-07-01), Leitch
patent: 2837702 (1958-06-01), Blind
patent: 3621423 (1971-11-01), Swope
patent: 3763453 (1973-10-01), Schurr

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