Swivel connector for nonmetallic electrical conduit

Details Swivel connector for nonmetallic electrical conduit Swivel connector for nonmetallic electrical conduit

2007-05-11

2010-02-09

Hewitt, James M (Department: 3679)

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Including swivel

C285S154100, C285S181000, C285S354000, C285S387000, C174S060000

Reexamination Certificate

active

07658418

ABSTRACT:
A swivel coupling for electrical conduit is formed of a pair of arcuate tubular sections joined together at a pair of connecting flanges. A liquid tight seal is provided by an O-ring which seats in registered annular grooves in the face of each flange. A coupling nut tightens the flanges against one another. Formed at the end of one of the sections is a junction box fitting including a threaded nipple which is inserted through an opening of the junction box until a stop nut, positioned on the nipple, engages the box. A tightening nut is engaged over the nipple from the interior of the junction box to secure the swivel coupling to the box. The end of the other tubular section includes a conduit fitting for securing a length of electrical conduit. Because the stop nut is installed after the coupling nut has been advanced past the nipple, a reduced diameter coupling nut may be employed.

REFERENCES:
patent: 954504 (1910-04-01), Drew
patent: 5064226 (1991-11-01), Klas
patent: 5951066 (1999-09-01), Lane et al.
patent: 6114631 (2000-09-01), Gretz
patent: 6555749 (2003-04-01), Pyron
patent: 7048561 (2006-05-01), Elbaz

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