Pipe joints or couplings – Packed – Wedge
Reexamination Certificate
2007-09-19
2010-11-30
Dunwoody, Aaron (Department: 3679)
Pipe joints or couplings
Packed
Wedge
C285S386000, C285S151100, C285S154100
Reexamination Certificate
active
07841630
ABSTRACT:
An electrical fitting in the form of a connector or coupler for connecting an electric metal tube to an electrical box or panel or to one another. The fitting includes a body having an inlet end portion, an outlet end portion and a bore extending therethrough. An unidirectional locking device is disposed in an outermost chamber and a sealing washer disposed in an intermediate chamber. A split ring having an angularly bent leading end is provided with a series of offset circumferentially spaced unidirectional gripping tangs. The locking device may also be provided with a series of tube support tangs at the trailing end. Also, the locking device includes a tang forming an electrical bonding or ground between tubes, locking device and connector body.
REFERENCES:
patent: 1809582 (1931-06-01), Church
patent: 1822056 (1931-09-01), Noble
patent: 2255673 (1941-09-01), McDermett
patent: 2448888 (1948-09-01), Hynes
patent: 3312484 (1967-04-01), Davenport
patent: 3679241 (1972-07-01), Hoffmann
patent: 3995897 (1976-12-01), Paskert
patent: 4072328 (1978-02-01), Elliott
patent: 4073514 (1978-02-01), Pate
patent: 4123090 (1978-10-01), Kotsakis et al.
patent: 4181329 (1980-01-01), Helm
patent: 4490576 (1984-12-01), Bolante et al.
patent: 4635975 (1987-01-01), Campbell
patent: 4819974 (1989-04-01), Zeidler
patent: 4885429 (1989-12-01), Schnittker
patent: 5059747 (1991-10-01), Bawa et al.
patent: 5284582 (1994-02-01), Yang
patent: 5695224 (1997-12-01), Grenier
patent: 6334634 (2002-01-01), Osterkil
patent: 6335488 (2002-01-01), Gretz
patent: 6352439 (2002-03-01), Stark et al.
patent: 6450550 (2002-09-01), Cornwell
patent: 6464266 (2002-10-01), O'Neill et al.
patent: 6517124 (2003-02-01), La Quere
patent: 6663145 (2003-12-01), Lyall, III et al.
patent: 6670553 (2003-12-01), Gretz
patent: 6682355 (2004-01-01), Gretz
patent: 6765143 (2004-07-01), Kiely
patent: 6913292 (2005-07-01), Snyder, Sr. et al.
patent: 6988746 (2006-01-01), Olson
patent: 7390027 (2008-06-01), Kiely
patent: 2005/0194785 (2005-09-01), Shemtov
Auray Delbert
Smith Lawrence J.
Bridgeport Fittings, Inc.
Dunwoody Aaron
Fattibene Paul A.
Fattibene and Fattibene
Williams Robert
LandOfFree
Electric metal tube push-in fitting does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electric metal tube push-in fitting, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electric metal tube push-in fitting will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4246966