Guide bushing easily inserted into a coupling bore, and a...

Details Guide bushing easily inserted into a coupling bore, and a... Guide bushing easily inserted into a coupling bore, and a...

2005-11-23

2010-02-02

Bochna, David E (Department: 3679)

Pipe joints or couplings

Movable jaw

Wedge bushing

C285S305000

Reexamination Certificate

active

07654584

ABSTRACT:
A guide bushing for guiding a tubular element in a bore of a coupling, the bushing being provided externally with retaining elements for retaining the bushing in the bore, and internally with guide shoes for guiding the tubular element inside the bushing, the retaining elements and the guide shoes being associated with portions of the bushing that are deformable between a first state in which the retaining elements are in an active position anchoring the bushing in the bore and in which the shoes define a section for passing the tubular element, and a second state in which the retaining elements are in inactive position set back from their active position and in which the guide shoes define a section that is smaller than the section for passing the tubular element. The invention also provides a corresponding coupling.

REFERENCES:
patent: 5205594 (1993-04-01), Stoll et al.
patent: 5230539 (1993-07-01), Olson
patent: 5895078 (1999-04-01), Le Clinche
patent: 6206435 (2001-03-01), Le Clinche
patent: 6349978 (2002-02-01), McFarland et al.
patent: 6866304 (2005-03-01), Kaminski et al.
patent: 2 511 115 (1983-02-01), None
patent: 2 789 147 (2000-08-01), None
patent: 2 792 702 (2000-10-01), None

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