Tube coupling

Details Tube coupling Tube coupling

2008-02-22

2010-10-12

Hewitt, James M (Department: 3679)

Pipe joints or couplings

Packed

Wedge

C285S040000

Reexamination Certificate

active

07810850

ABSTRACT:
A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing. A fluid coupling having an outer housing with an internal bore, an O-ring seal fitted within the bore, a spacer bushing fitted against the seal, a first gripper ring fitted against the axially outer side of the spacer ring, a second gripper ring fitted against the O-ring seal, the gripper rings having axially and radially inwardly protruding circumferentially spaced gripping teeth, in one embodiment the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper rings, spacer bushing, and O-ring within the outer housing.

REFERENCES:
patent: 433750 (1890-08-01), Shields
patent: 517192 (1894-03-01), Prior
patent: 543871 (1895-08-01), Houze
patent: 1440207 (1922-12-01), Burns
patent: 2158757 (1939-05-01), Kuestermeier
patent: 2347044 (1944-04-01), Frances
patent: 2484192 (1949-10-01), Squiller
patent: 2840395 (1958-06-01), Tamow
patent: 3135033 (1964-06-01), Jackson
patent: 3204988 (1965-09-01), Ouderkirk et al.
patent: 3312483 (1967-04-01), Leadbetter et al.
patent: 3312484 (1967-04-01), Davenport
patent: 3429596 (1969-02-01), Marshall
patent: 3429598 (1969-02-01), Marshall
patent: 3792878 (1974-02-01), Freeman
patent: 3837687 (1974-09-01), Leonard
patent: 3874709 (1975-04-01), MacDonald
patent: 3995897 (1976-12-01), Paskert
patent: 4059297 (1977-11-01), Grahl et al.
patent: 4062574 (1977-12-01), Scholin
patent: 4073514 (1978-02-01), Pate
patent: 4084843 (1978-04-01), Gassert
patent: 4099749 (1978-07-01), van Vliet
patent: 4124235 (1978-11-01), Grahl et al.
patent: 4146254 (1979-03-01), Turner et al.
patent: 4181329 (1980-01-01), Helm
patent: 4288113 (1981-09-01), Saulnier
patent: 4324407 (1982-04-01), Upham et al.
patent: 4390159 (1983-06-01), Duncan
patent: 4490576 (1984-12-01), Bolante et al.
patent: 4508369 (1985-04-01), Mode
patent: 4586734 (1986-05-01), Grenier
patent: 4593943 (1986-06-01), Hama et al.
patent: 4613172 (1986-09-01), Schattmaier
patent: 4632437 (1986-12-01), Robson et al.
patent: 4635975 (1987-01-01), Campbell
patent: 4655486 (1987-04-01), Tarnay et al.
patent: 4676533 (1987-06-01), Gerondale
patent: 4717179 (1988-01-01), Haberstock et al.
patent: 4722558 (1988-02-01), Badoureaux
patent: 4747626 (1988-05-01), Hama et al.
patent: 4749214 (1988-06-01), Hoskins et al.
patent: 4777669 (1988-10-01), Rogus
patent: 4875709 (1989-10-01), Carroll et al.
patent: 4890865 (1990-01-01), Hosono et al.
patent: 4911406 (1990-03-01), Atwood
patent: 5052723 (1991-10-01), Bartholomew
patent: 5094467 (1992-03-01), Lagabe
patent: 5160179 (1992-11-01), Takagi
patent: 5174331 (1992-12-01), Steudler
patent: 5205568 (1993-04-01), Stoll et al.
patent: 5439258 (1995-08-01), Yates
patent: 5496076 (1996-03-01), Lin
patent: 5527073 (1996-06-01), Readman
patent: 5553901 (1996-09-01), Serot
patent: 5621191 (1997-04-01), Norris et al.
patent: 5681062 (1997-10-01), Fukao et al.
patent: 5695224 (1997-12-01), Grenier
patent: 5722702 (1998-03-01), Washburn
patent: 5782570 (1998-07-01), Masterson et al.
patent: 5799985 (1998-09-01), Murphy
patent: 6464266 (2002-10-01), O'Neill et al.
patent: 6663145 (2003-12-01), Lyall, III et al.
patent: 6685230 (2004-02-01), Bottura
patent: 6783161 (2004-08-01), Halama
patent: 6860523 (2005-03-01), O'Neill et al.
patent: 7232159 (2007-06-01), O'Neill et al.
patent: 7523966 (2009-04-01), O'Neill et al.
patent: 2003/0067170 (2003-04-01), Snyder, Sr. et al.
patent: 2004/0021318 (2004-02-01), Fritze et al.
patent: 2004/0056484 (2004-03-01), Kwon et al.
patent: 2004/0070198 (2004-04-01), Rohrig
patent: 2004/0155464 (2004-08-01), Slattsveen
patent: 2004/0239115 (2004-12-01), Wilk, Jr. et al.
patent: 9415532 (1995-02-01), None
patent: 602498 (1994-06-01), None
patent: 610538 (1994-08-01), None
patent: 1520150 (1978-08-01), None
patent: 2280006 (1995-01-01), None
patent: 97/00314 (1997-01-01), None

Affiliated with

Also associated with

Rating

Tube coupling does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tube coupling, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tube coupling will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4196572