Self-centering adapter

Details Self-centering adapter Self-centering adapter

2008-05-27

2008-05-27

Bochna, David (Department: 3679)

Pipe joints or couplings

Packed

Radially expansible, spigot-carried

C285S382500

Reexamination Certificate

active

07377556

ABSTRACT:
An adapter mount for attaching to a fitting tube includes an adapter tube having an outer circumferential surface; a first expandable ring placed on the outer circumferential surface of the adapter tube and comprising of elastic material for expanding and fitting to the inner surface of the fitting tube; an adjustment ring configured to be threaded to the adapter tube to generate a rotational threading force; a compression ring for translating the rotational threading force from the adjustment ring to a longitudinal compressing displacement of the first expandable ring, causing an outer surface of the first expandable ring to fit to the inner surface of the fitting tube; and a stop attached to the adapter tube for preventing the adjustment ring from separating from the adapter tube.

REFERENCES:
patent: 775124 (1904-11-01), Christman
patent: 1108313 (1914-08-01), Anderson
patent: 3542076 (1970-11-01), Richardson
patent: 4534116 (1985-08-01), Davis
patent: 5608189 (1997-03-01), Winterhoff et al.
patent: 5687998 (1997-11-01), Pan
patent: 6406067 (2002-06-01), Pritchatt
patent: 6471254 (2002-10-01), Russell
patent: 6786517 (2004-09-01), Shumard

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