Fairlead with integrated chain stopper

Details Fairlead with integrated chain stopper Fairlead with integrated chain stopper

2008-07-01

2008-07-01

Sotelo, Jesús D (Department: 3617)

Ships

Cable stoppers

Chain

C114S230200

Reexamination Certificate

active

07392757

ABSTRACT:
The present invention is a fairlead for guiding and securing an anchor chain between an offshore structure and an anchor. The fairlead comprises a fairlead frame, a pivoting latch, and an actuator. The fairlead frame is pivotally mounted to the offshore structure and supports an axle for a chain sheave. The pivoting latch is mounted to pivot on the axle and comprises a tension link with a chain latch and a counterweight for urging the chain latch into engagement with the chain. The pivoting latch is configured to engage the chain only when the chain is traveling in the payout direction. The actuator controls the action of the counterweight.

REFERENCES:
patent: 4186464 (1980-02-01), Sandoy
patent: 4862821 (1989-09-01), Ballantyne
patent: 5441008 (1995-08-01), Lange
patent: 5845893 (1998-12-01), Groves
patent: 6431101 (2002-08-01), Lunde et al.
patent: 6435121 (2002-08-01), Siring
patent: 6983714 (2006-01-01), Dove et al.
patent: 7104214 (2006-09-01), Niebur
patent: 564208 (1977-10-01), None

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