Connector with opposite moving cam rings

Details Connector with opposite moving cam rings Connector with opposite moving cam rings

1994-07-01

1995-08-15

Nicholson, Eric K.

Pipe joints or couplings

With assembly means or feature

285315, 285341, 285309, 285321, F16L 5500, F16L 3718, F16L 3900

Patent

active

054413117

ABSTRACT:
There is disclosed a connector for releasably connecting tubular members connected to adjacent ends of riser pipes in end-to-end relation. The tubular members have locking grooves about their adjacent ends, and a split lock ring surrounds the adjacent ends of the tubular members, when in end-to-end relation, and has upper and lower teeth thereabout for fitting tightly within the grooves to hold the ends of the tubular members in end-to-end relation. The lock ring is moved between locking and unlocking positions by means of cam rings having tapered conical cam surfaces thereabout for slidable engagement with follower surfaces about the upper and lower ends of the lock ring.

REFERENCES:
patent: 4491346 (1985-01-01), Walker
patent: 4496172 (1985-01-01), Walker
patent: 4526406 (1985-07-01), Nelson
patent: 4557508 (1985-12-01), Walker
patent: 4856594 (1989-08-01), Jennings
patent: 4902044 (1990-02-01), Williams et al.
patent: 5135266 (1992-08-01), Bridges et al.
patent: 5255743 (1993-06-01), Adam et al.
patent: 5265917 (1993-11-01), Hitz

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