Dead-front electrical housing

Details Dead-front electrical housing Dead-front electrical housing

1977-02-28

1978-01-10

Lake, Roy

Geometrical instruments

D13 30, 339128, 339210M, H01R 1358

Patent

active

040676340

ABSTRACT:
A one-piece housing for electrical terminals is disclosed, the housing being of the dead-front type and the enclosed terminals being connectable to external electrical circuits through apertures in the dead-front. The housing is generally formed of a dead-front or base member and two side casings, with web hinges joining these members as integral parts and allowing the side casings to pivot into opened and closed positions on the base member. Screw fasteners, located adjacent the ends of the casings remote from the web hinges, secure the casings together and clamp an electrical cord that is wired to the electrical terminals. Access to the enclosed electrical terminals is obtained, for wiring purposes, by opening one or both of the side casings. Locking lugs are formed integral with the side casings and base member to secure the casings to said base member, when the casings are closed, and provide a locking action in directions both longitudinal and lateral of the housing. These locking lugs thus remove both longitudinal and lateral stresses from the web hinges, and even permit continued use of the housing if the web hinges should fracture after repeated flexing.

REFERENCES:
patent: 3784961 (1974-01-01), Gartland, Jr.

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