Pullbox assembly

Details Pullbox assembly Pullbox assembly

2005-04-19

2005-04-19

Patel, Dhiru R. (Department: 2831)

Electricity: conductors and insulators

Boxes and housings

C174S058000, C174S063000, C220S004020, C439S535000, C248S906000

Reexamination Certificate

active

06881899

ABSTRACT:
A pullbox assembly for use in wiring having a cylindrical pipe main body having a side wall with handles and or cable holders which double as wire holders for the inside of the pullbox main body and a flat base for stability of the pullbox in the ground. A metal casting frame attached to the rim of the main body by bolts through the sidewall. A cover fitting into the casting frame and optionally bolted thereto. The pullbox assembly can have a base, which is solid for keeping water and moisture out or the base may have a drainage hole for high water table applications to let water in and out. An extension may be added to the pullbox assembly to lengthen the main body for deeper holes in the ground. The pullbox assembly is easy to assemble on site. The cover has an indentation for attachment of different nameplates.

REFERENCES:
patent: 2477131 (1949-07-01), Jones, Jr.
patent: 2477132 (1949-07-01), Rowe
patent: 3238426 (1966-03-01), Bernstein
patent: 3363797 (1968-01-01), Roese
patent: 6774304 (2004-08-01), Gretz
patent: 6803525 (2004-10-01), Liao

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