Electrical fitting for conduit connection

Details Electrical fitting for conduit connection Electrical fitting for conduit connection

1996-08-12

2000-08-22

Nicholson, Eric K.

Pipe joints or couplings

Packed

Sleeve

285404, 2851543, 2851511, 285379, F16L 2100

Patent

active

061060313

ABSTRACT:
Electrical conduit coupling devices are disclosed that include a casing formed of a steel tubing that, in turn, includes a rear portion and a front portion, an elastomeric "O" ring secured at the front portion by a retainer and an end cap. The electrical conduit coupling devices further include a clamp that is arcuate in shape, and in one embodiment, has ends separated from each other to form a gap therebetween which is diametrically located opposite a cut-out in the central region of the clamp. The cut-out cooperates with the separated ends to allow the clamp to clamp around a conduit that is inserted into the electrical conduit coupling device. The electrical conduit coupling devices provide for not only rigid connection to a conduit, but also a waterseal or concrete seal connection therebetween.

REFERENCES:
patent: 2986409 (1961-05-01), Weber
patent: 3517951 (1970-06-01), Dunmire
patent: 3951436 (1976-04-01), Hyde, Jr.
patent: 3963268 (1976-06-01), Widdcombe
patent: 4438954 (1984-03-01), Hattori
patent: 4549755 (1985-10-01), Kot et al.
patent: 4819974 (1989-04-01), Zeidler
patent: 4835342 (1989-05-01), Guginsky
patent: 5165735 (1992-11-01), Nardi et al.
patent: 5647613 (1997-07-01), Marik et al.

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