Branch joint box

Details Branch joint box Branch joint box

1994-04-25

1995-07-25

Castellano, Stephen J.

Receptacles

Outlet or junction box type

With closure

220 394, H02G 314

Patent

active

054354536

ABSTRACT:
A branch joint box including a lower casing and an upper casing, in which the upper casing is fitted into the lower casing and an upper cover is mounted on an upper portion of an outer peripheral wall of the lower casing through a packing, the branch joint box comprising: a rib member for correcting warpage of the outer peripheral wall of the lower casing, which is provided on either one of an inner surface of the outer peripheral wall of the lower casing and an outer surface of an outer peripheral wall of the upper casing so as to protrude into a gap between the inner surface of the outer peripheral wall of the lower casing and the outer surface of the outer peripheral wall of the upper casing.

REFERENCES:
patent: 591884 (1897-10-01), Ryan
patent: 872458 (1907-12-01), Sanborn et al.
patent: 2808090 (1957-10-01), Casalino
patent: 3912106 (1975-10-01), Traupe
patent: 4620061 (1986-10-01), Appleton
patent: 4626617 (1986-12-01), Rye
patent: 4699289 (1987-10-01), You
patent: 4746017 (1988-05-01), Howard et al.
patent: 5054956 (1991-10-01), Huang
patent: 5226556 (1993-07-01), Lu
patent: 5258889 (1993-11-01), Belanger, Jr.

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